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Tender Value
Refer Docs
EMD Value
₹20.5 L
Closing Date
10 Jul 2026, 7:00 pm
Similar tender results from the same govt authority in the past 3 years.
Gujarat Energy Limited, Gandhinagar
Supply, Installation, Commissioning, Operation And Maintenance of Advanced Metering Infrastructure (AMI) System
314777
314777
Open
Information Technology (IT)
Gandhinagar
13 documents required · 13 mandatory
₹5,000
GUJARAT ENERGY LIMITED
₹20.5 L
19 Jun 2026
19 Jun 2026
19 Jun 2026
10 Jul 2026
19 Jun 2026
14.1 Mandatory Technical Submission Documents .............................................................
14.1.1 Hardware Specifications and Technical Datasheets ................................................
14.2 Software Specifications and Licensing Documentation................................................
14.3 System Architecture and Design Documentation.........................................................
14.4 Bill of Materials and Procurement Documentation .......................................................
14.7 EVC OEM Driver Development Documentation ..........................................................
14.8 SIM Management and Connectivity Documentation ....................................................
14.9 Integration and Interface Documentation .....................................................................
14.10 Project Implementation and Execution Plans ..............................................................
14.13 Compliance and Certification Documentation ..............................................................
14.14 Operations and Maintenance Documentation ..............................................................
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
15 Tentative Monitoring and Control Parameters ...............................................................
17 Annexure A - Indicative List of Existing EVCs and PD Meters......................................
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
1 Definition and Acronyms:
For this Request for Proposal (RFP) document, the following definitions shall apply:
Primary Definitions: Refer to Volume I of this RFP
Acronym Full Form
AGA American Gas Association
AMI Advanced Metering Infrastructure
AMR Automated Meter Reading
API Application Programming Interface
ATEX Atmosphères Explosibles (hazardous area classification standard)
BIS Bureau of Indian Standards
BoQ Bill of Quantities
CA Chartered Accountant
CGD City Gas Distribution
CGS City Gate Station
CMP Centralised Monitoring Platform
CNG Compressed Natural Gas
COTS Commercial Off-The-Shelf
CRM / CIS Customer Relationship Management / Customer Information System
CSV Comma-Separated Values
DLMS/COSEM Device Language Message Specification / Companion Specification for Energy
EMD Earnest Money Deposit
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
ERP Enterprise Resource Planning
EVC Electronic Volume Corrector
FAT Factory Acceptance Test
GA Geographical Area
GIS Geographic Information System
Acronym Full Form
GEL Gujarat Energy Limited
HES Head End System (functional capability of AMI Platform)
IEC International Electrotechnical Commission
IMS Inlet Metering Skid
IST Indian Standard Time (UTC+5:30)
MAF Manufacturer Authorisation Form
MDMS Meter Data Management System (functional capability of AMI Platform)
MeITY Ministry of Electronics and Information Technology
MFA Multi-Factor Authentication
MIU Meter Interface Unit
MQTT Message Queuing Telemetry Transport
NCIIPC National Critical Information Infrastructure Protection Centre
NIT Notice Inviting Tender
NTL Non-Technical Loss
O&M Operations and Maintenance
OISD Oil Industry Safety Directorate
OEM Original Equipment Manufacturer
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
OPEX Operational Expenditure
OTA Over-the-Air
PD Positive Displacement (Diaphragm) Meter
PESO Petroleum and Explosives Safety Organisation
PNGRB Petroleum and Natural Gas Regulatory Board
PNG Piped Natural Gas
POC Proof of Concept
PQ Pre-Qualification
PTZ Pressure-Temperature-Compressibility correction
QAP Quality Assurance Plan
RBAC Role-Based Access Control
RFP Request for Proposal
Acronym Full Form
RPD Rotary Positive Displacement meter
RSSI Received Signal Strength Indicator
SAP Systems, Applications and Products (GEL's ERP and Billing platform)
SAT Site Acceptance Test
SaaS Software as a Service
SCM Standard Cubic Metre
SIM Subscriber Identity Module
SLA Service Level Agreement
SoW Scope of Work
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
SOR Schedule of Rates
SSO Single Sign-On
TLS Transport Layer Security
TQ Technical Qualification
UAT User Acceptance Testing
USM Ultrasonic Meter
VEE Validation, Estimation and Editing
WAN Wide Area Network
NMS Network Management System
EMS Enterprise Management System
VAPT Vulnerability Assessment and Penetration Testing
CERT-In Computer Emergency Response Team — India
SLP Secondary Level Point
ESB Enterprise Service Bus
CAMC Comprehensive Annual Maintenance Contract
SINR Signal to Interference and Noise Ratio
NTP Network Time Protocol
APN Access Point Name
NB-IoT Narrowband Internet of Things
SNMP Simple Network Management Protocol
BGV Background Verification
PTW Permit to Work
ITSM IT Service Management
WCAG Web Content Accessibility Guidelines
QHSE Quality, Health, Safety and Environment
DOQ Daily Order Quantity
Acronym Full Form
CIM Common Information Model (IEC 61968-9)
PBG Performance Bank Guarantee
Device Language Message Specification / Companion Specification for Energy
TLS Transport Layer Security
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
1.2 Project-Specific Definitions
Term Definition
AMI System An Advanced Metering Infrastructure (AMI) System is an integrated end-
toend infrastructure comprising field communication devices (Modems and
MIUs), a wireless communication network and a centralised software
platform that enables automated, two-way exchange of gas metering data
between field devices and GEL's enterprise systems. The AMI System, as
defined under this RFP, shall collect, transmit, process, validate and deliver
gas consumption data from Electronic Volume Correctors (EVCs) and from
Positive Displacement (Diaphragm) meters, to GEL's SAP Billing system and
other designated enterprise applications, without manual intervention.
AMI Platform The centralised cloud-hosted software platform forming the core of the AMI
System, delivering the full functional scope of data acquisition, data
management, alarm management, asset management, reporting, billing
integration and staff mobile application as specified in Section 4 of this
document. The Bidder may deliver these functions through a unified product
or a combination of integrated software components, provided all specified
functional requirements are fully met.
Bidder / Vendor The entity submitting a bid in response to this RFP and, upon award,
executing the Project under contract with GEL. The Bidder assumes full
endto-end responsibility for the design, supply, installation, testing,
commissioning, operation and maintenance of the AMI System.
COTS Commercial Off-The-Shelf — a pre-developed, commercially available
software product with an established user base and proven deployments in
utility environments. The AMI Platform proposed under this RFP shall be a
COTS product. Custom-developed or bespoke platforms are not acceptable.
DBFOOT Model Design, Build, Finance, Own, Operate and Transfer — the contractual and
commercial model under which the Bidder designs, builds, finances, owns
and operates all hardware infrastructure (Modems, MIUs, communication
equipment and associated accessories) during the contractual period and
transfers full ownership of all assets to GEL at contract completion in fully
functional condition with a minimum remaining useful life of five years.
Driver A software component within the AMI Platform that enables two-way
communication between the platform and a specific EVC OEM's proprietary
communication protocol or interface. Each new EVC OEM make or model
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
Term Definition
that is not natively supported by the AMI Platform requires a dedicated driver
developed by the Bidder.
EVC Electronic Volume Corrector — a device fitted to a gas meter that
automatically corrects measured gas volume at line conditions (Qn) to
standard reference conditions (Qb) by applying real-time pressure,
temperature and compressibility corrections (PTZ correction). EVCs are the
primary field metering devices covered under this RFP.
GA Geographical Area — GEL's operational planning unit. GEL currently
operates across 29 GAs spanning multiple states. All references to
operational teams, reporting and monitoring in this document are structured
at the GA level.
GA Teams GEL's operational field teams and GA-level management personnel who
operate, monitor and manage the gas distribution network within each
Geographical Area. GA Teams are the primary users of the AMI System
within GEL's operations.
Go-Live The date on which the AMI System — comprising the fully deployed and
configured AMI Platform, all installed field Modems and MIUs and all
mandatory integrations — has been formally accepted by GEL following
successful completion of all testing and User Acceptance Testing (UAT) and
from which date the O&M period commences and the SLA measurement
HES The set of functional capabilities relating to automated two-way
Functionality communication with all field devices (EVCs via Modems, PD Meters via
MIUs), scheduled and on-demand data acquisition, alarm and event
processing, OTA firmware management and device health monitoring. This
is a functional requirement of the AMI Platform — the Bidder may deliver it
through a dedicated Head End System, a unified combined platform, or any
other compliant COTS architecture.
IMS Industrial Metering Skid — a field installation comprising gas metering
equipment at the inlet to an Industrial or Commercial consumer's premises,
typically equipped with an EVC for automated volume correction and data
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
MDMS The set of functional capabilities relating to meter data Validation, Estimation
Functionality and Editing (VEE), billing determinant preparation, data archival, asset
management, exception management and integration with GEL's enterprise
systems. This is a functional requirement of the AMI Platform — the Bidder
may deliver it through a dedicated Meter Data Management System, a
unified combined platform, or any other compliant COTS architecture.
MIU Meter Interface Unit — a field device supplied and installed by the Bidder on
a Positive Displacement (Diaphragm) gas meter that captures the meter's
pulse output and transmits metering data to the AMI Platform via a wireless
Term Definition
communication network. Each MIU shall incorporate a built-in communication
modem or be paired with a dedicated external modem, enabling direct
connectivity to the AMI Platform without any intermediary infrastructure.
Modem A wireless communication device supplied and installed by the Bidder and
connected to an EVC, enabling the EVC to transmit metering data to the AMI
Platform over a wireless wide area network (WAN). All Modems supplied
under this RFP shall be newly procured — no reuse of existing field devices
is in scope. Each Modem shall support dual-SIM operation and shall be
ATEX/PESO certified for installation in hazardous area classifications
applicable at GEL field locations.
O&M Period Operations and Maintenance Period — the five-year period commencing
from the Project Go-Live date, during which the Bidder is responsible for the
full operation, maintenance and performance of the AMI System against the
SLAs specified in Section 12 of this document.
OPEX Operational Expenditure — the recurring quarterly payments made by GEL to
the Bidder during the O&M Period for AMI System operation, maintenance
and SaaS services, payable on a per-device basis subject to SLA compliance
as defined in Section
OTA Over-the-Air — the remote delivery of firmware updates, security patches, or
configuration changes to field devices (Modems, MIUs) without requiring
physical site access. OTA capability is a mandatory functional requirement of
the AMI Platform.
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
PD Meter Positive Displacement (Diaphragm) Gas Meter — a volumetric gas meter
characterised by a mechanical pulse output interface. Under this RFP, PD
Meters at Industrial metering locations are within the current scope for MIU
installation. PD Meters at Commercial customer locations are designated for
integration in a subsequent phase.
SaaS Software as a Service — the cloud-based delivery model under which the
AMI Platform (including all functional modules, hosting infrastructure and
software licences) is provided to GEL on a subscription basis by the Bidder
throughout the contractual period.
SIM Subscriber Identity Module — the cellular connectivity module within a
Modem or MIU that enables wireless WAN communication. All Modems and
MIUs supplied under this RFP shall support dual-SIM operation. GEL shall
determine SIM operator selection. All SIMs shall be registered in Bidder's
UAT User Acceptance Testing — structured testing conducted by GEL's
designated GA Teams and functional teams to validate that the AMI System
meets all specified functional, integration and performance requirements prior
to Go-Live acceptance.
Term Definition
VEE Validation, Estimation and Editing — the data quality assurance process
implemented in the AMI Platform whereby: (a) collected meter data is
validated against configurable rules; (b) missing or anomalous values are
estimated using industry-standard methods; and (c) all data corrections are
recorded with mandatory reason codes and maintained in an immutable audit
Order of Precedence
In case of inconsistencies, conflicts, or discrepancies between various standards, the following
order of precedence shall be followed:
• Statutory Requirements
• International Codes & Standards
• Project Documents
• Good Engineering Practice commonly used by the worldwide Oil & Gas Industry
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
If a conflict arises, the most stringent requirement shall be applied. Any critical inconsistencies shall
be escalated to the GEL Project Team for resolution and GEL's decision shall be final.
File No: GGL-IT & ERP-2026-6-181812
2 Introduction and Overview
2.1 About Gujarat Energy Limited (GEL)
Gujarat Energy Limited (GEL) is one of India's leading natural gas distribution companies and is a
part of the GSPC Group. GEL has emerged as India's largest City Gas Distribution (CGD) company
in terms of sales volume with presence across 29 Geographical Areas (GA) across 6 states
(Gujarat, Rajasthan, Maharashtra, Madhya Pradesh, Haryana and Punjab) and one union territory.
GEL is engaged in the business of natural gas distribution including Piped Natural Gas (PNG) and
Compressed Natural Gas (CNG). The company provides PNG to domestic, commercial and
industrial customers and CNG to the transport sector. GEL has an extensive pipeline network and
infrastructure to deliver these services efficiently and safely.
GEL operates across multiple geographical areas. The company's operational footprint
1. 29 Geographic areas across 6 states
2. Covering 44 districts of these 6 states, out of which Gujarat being the largest contributor.
3. Union Territory of Dadra & Nagar Haveli.
The company's operations span urban, semi-urban and rural areas, with a focus on expanding its
reach to provide clean and economical fuel to a larger customer base.
GEL continues to expand its infrastructure to meet the growing demand for natural gas across its
operational areas.
GEL is advancing its digital transformation journey by addressing current operational challenges.
GEL is now focused on centralizing and simplifying data collection across its 29 GAs onto a single
platform. This strategic move is designed to enhance data visibility and reliability, allowing seamless
integration with other systems to boost operational efficiency and support strategic decision-making.
Gujarat Energy Limited (GEL) is India's largest City Gas Distribution (CGD) company by
geographical spread, operating across 29 Geographical Areas (GAs) spanning multiple states. GEL
distributes Piped Natural Gas (PNG) to industrial, commercial and domestic consumers and
Compressed Natural Gas (CNG) to the automotive sector.
GEL's infrastructure network encompasses various assets such as City Gate Stations (CGS),
District Regulating Stations (DRS), Industrial and commercial Metering and Pressure Regulating
Skids (IMS), CNG stations and domestic and commercial PNG metering points. GEL's metering
sites includes Electronic Volume Correctors (EVCs) across multiple OEM makes and models and
Positive Displacement (Diaphragm) gas meters of varying sizes.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
As part of its ongoing digital transformation programme, GEL is implementing a comprehensive
Advanced Metering Infrastructure (AMI) system to automate meter data collection, enable remote
monitoring and control and integrate metering data seamlessly with its enterprise systems.
2.2 Background and Purpose
Gujarat Energy Limited (GEL) hereby invites bids from qualified and experienced BIDDERS for the
"Design, Supply, Installation, Testing, Commissioning, Operation and Maintenance of an Advanced
Metering Infrastructure (AMI) System " for monitoring GEL's gas distribution infrastructure across its
operational areas in India.
GEL currently operates an existing AMI system for automated data collection from its Industrial and
Commercial customers with EVC-equipped metering locations and manually from Positive
Displacement gas meters at select Industrial sites. The proposed AMI System under this RFP shall
replace the existing AMI system in its entirety subject to successful fulfilment of "Parallel Operations
Requirement” elaborated separately. The Bidder shall be responsible to make sure the transition
from the existing system to the new AMI System, with no disruption to GEL's billing operations or
data continuity.
Parallel Operations Requirement: The Bidder shall conduct a mandatory parallel operations
period of a minimum duration to be agreed with GEL (indicatively 30–60 days per zone), during
which both the existing AMI system and the new AMI System shall simultaneously collect data from
the same field devices. The Bidder shall provide GEL with a comparative data reconciliation report
demonstrating that the new AMI System is collecting, processing and delivering data accurately and
in accordance with all SLAs defined in Section 12. The parallel operations plan, reconciliation
methodology and acceptance criteria shall be submitted by the Bidder as part of the Phase
The purpose of this procurement is to deploy a new end-to-end AMI System that replaces the
existing system, delivers validated and processed gas consumption data directly to GEL's SAP
Billing system and provides GEL's GA Teams with real-time operational visibility through a
centralised AMI Platform and a GEL staff mobile application.
This document defines the complete Scope of Work, functional requirements, technical
specifications, implementation milestones, O&M obligations and SLA framework for the AMI
The BQC (Bidder Qualification Criteria) is covered in a separate companion document forming part
of the complete tender package.
BIDDERS are required to submit their proposal in accordance with the requirements specified in this
RFP (including both the volumes I and II). The PURCHASER reserves the right to reject any or all
bids without assigning any reason whatsoever.
2.2.1 Overview and Scope of Work
Bidder is required to execute below mentioned scope of work under this RFP. This is a very
highlevel Scope of Work, which is mentioned to provide an overview of the requirement to the
The successful bidder will implement all the above solutions on a single private Cloud Infrastructure
on MeITY-approved cloud with comprehensive cybersecurity implementation, data management
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
systems and scalable architecture, with appropriate redundancy and security measures to ensure
high availability and reliability. The Cloud Service Provider should be an empanelled member of
MeitY Empanelled CSPs for the entire duration of this project including extension if any.
Bidder is required to provide these services on the following business model i.e. DBFOOT:
Software: All the software proposed as part of the RFP is to be supplied on a Software as a
Service (SaaS) basis.
Hardware: All the hardware material commissioned as part of the project, shall be under the
ownership of the Bidder for the entire contractual duration of the project i.e 5 Years (for complete
Go-Live) and upon completion of the proposed tenure of the project, asset is to be transferred onto
the name of GEL. (This includes all the hardware installed and / or commissioned as part of the
2.3 AMI System — Definition and Overview
2.3.1 Definition
An Advanced Metering Infrastructure (AMI) System is an integrated end-to-end infrastructure
• Field Communication Devices — Modems connected to EVCs at Industrial and
Commercial metering locations and Meter Interface Units (MIUs) with built-in or dedicated
external modems installed on Positive Displacement meters at Industrial, Commercial and
few domestic metering locations.
• Wireless Communication Network — a wide area network (WAN) linking all field devices
to the AMI Platform, using wireless cellular 4G/LTE with fall back on 2G or Nb-IoT
communication technology as proposed by the Bidder.
• AMI Platform — a centralised, cloud-hosted COTS software platform delivering automated
data acquisition, data management, VEE processing, billing integration, alarm management,
asset management, reporting and staff mobile application functionality.
• Common Cloud Platform — Setup of common private cloud platform with High availability
(includes geographically separated Disaster Recovery centre as well) for this project with
provision of cyber security features to ensure data security. The Cloud Service Provider
should be an empanelled member of MeitY Empanelled CSPs and for VPC as well for the
entire duration of this project including extension if any.
The AMI System enables automated, two-way exchange of gas metering data between field
devices and GEL's enterprise systems, eliminating manual meter reading and enabling data-driven
operations management primarily for data collection at fixed interval, on demand based on volume
of data as required by GEL personnel
2.3.2 Scope Boundary
The AMI System under this RFP covers:
Metering Device Type Current Scope Future
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
Industrial Modems at IMS with EVC ✓ In scope —
(EVCs are already installed / shall be
supplied by GEL, if required)
Commercial Modems at IMS with EVC (EVCs are ✓ In scope —
customers already installed / shall be supplied by
GEL, if required)
Industrial MIU with either built in or external ✓ In scope —
customers modem at IMS with PD (Diaphragm)
(PD Meters are already installed / shall
be supplied by GEL, if required)
Domestic Diaphragm G1.6 Meter Provision for 100 nos.
customers MIUs to be considered
(PD Meters are already installed / shall
be supplied by GEL, if required)
The following are explicitly outside the scope of this RFP:
• Supply of any type of meter and EVCs
2.3.3 Scope Summary
• The successful Bidder shall design, supply, install, test, commission, operate and maintain a
complete AMI System for Energy Limited covering all field metering locations (with EVC’s
and with PD meters) as per SOR across GEL's network, with the AMI Platform mandatorily
scalable to a minimum of as per SOR metering points.
• The AMI System shall comprise:
Component Description
AMI Platform Cloud-hosted COTS platform delivering HES functionality, MDMS
functionality, GEL staff mobile application and all integrations.
Architecture (unified or modular) at Bidder's discretion, provided all
functional requirements are met.
EVC New dual-SIM wireless Modems supplied and installed by the Bidder at all
Communication EVC-equipped metering locations. Multi-OEM EVC integration is
Modems mandatory — the Bidder shall integrate all EVC makes and models
present in GEL's network.
Component Description
Bidder to conduct detailed feasibility survey for healthy network
availability for ISP’s(Internet service providers) in various operating zones
Meter Interface Devices with built-in or dedicated external modems supplied and installed
Units (MIUs) by the Bidder for Positive Displacement meters, including pulse interface
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
Wireless End-to-end WAN connectivity for all field devices. The Bidder shall select
Communication the appropriate wireless communication technology (cellular(4G LTE) or
Network NB-IoT) that meets the functional and SLA requirements defined in this
GEL Billing Mandatory automated integration with GEL's SAP Billing system for
Integration delivery of validated parameters.
Enterprise System Integration with GEL's SCADA, CMP, CRM and other enterprise systems
Integrations as required during the contractual period, through open APIs.
2.3.3.1 Key Parameters
Parameter Value
Current metering ~4500 field locations (refer Annexure A for detailed breakup)
Platform scalability As per SOR
EVC integration All make and models — no exclusions
PD meter Industrial customer PD meters
integration (current
Modem supply All newly supplied by Bidder where GSM Modems are to be replaced with
cellular 4G/LTE with fall back on 2G Modems / NBiOT technology — no
reuse of existing devices
MIU With built-in or dedicated external modem
Communication Bidder's choice — must meet SLA requirements (Section 12)
SIM configuration Dual SIM;
AMI Platform SaaS on MeITY empaneled private cloud only
Disaster Recovery Geographic DR mandatory; separate from primary site
Parameter Value
Billing integration Compulsory — SAP (GEL ERP/Billing)
Other integrations SCADA, CMP, CRM and other GEL systems as required
Contract model DBFOOT — Bidder owns and operates all hardware for the entire contract
Implementation 6 months from contract award to Go-Live
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
O&M period 5 years from Go-Live
Payment basis Quarterly OPEX post Go-Live, SLA-linkedZero payment during
implementation; quarterly OPEX post Go-Live, SLA-linked5% of
mobilization advance against the BG after the award of the contract;
remaining 95% shall be paid on a quarterly basis
2.3.4 DBFOOT Model
The AMI System shall be delivered under a DBFOOT (Design, Build, Finance, Own, Operate and
Transfer) model, applicable to all hardware components of the AMI System.
2.3.4.1 Bidder's Obligations Under DBFOOT
The Bidder shall:
• Design the complete AMI System architecture including field hardware, communication
network and AMI Platform, to meet all requirements specified in this document.
• Build and deploy the entire AMI System — procure, supply, install, test and commission all
hardware and software components.
• Finance the full cost of hardware procurement, installation and deployment. GEL makes no
payment during the implementation period (except for mobilization advance against the BG).
All capital expenditure is borne by the Bidder.
• Own all hardware assets (Modems, MIUs, communication equipment and associated
accessories) throughout the contractual period. GEL does not purchase or own hardware
during the contractual period.
• Operate the complete AMI System throughout the O&M Period, maintaining all hardware
and software in full working condition and meeting all SLAs defined in Section
• Transfer complete ownership of all hardware assets to GEL at contract completion in a fully
functional condition, with a minimum remaining useful life of five years for each component
2.3.4.2 About DBFOOT model
The DBFOOT model places full technical, operational and financial responsibility for hardware on
the Bidder. Specifically:
• GEL does not prescribe specific power source solutions, or detailed installation design — the
Bidder is responsible for designing a system that meets GEL's functional and SLA
• The Bidder bears all risks of hardware obsolescence, failure and replacement throughout the
contractual period.
• GEL prescribes either 4G LTE with fall back on 2G or NBiOT technology for cellular
communication. Communication hardware for New EVC or PD meter during the O&M Period
shall be Supplied, installed, Operated and maintained by the Bidder as per the rate
applicable for that specific year, as priced in the SOR.
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• All SIM cards shall be registered in Bidder's name; however, SIM management and
coordination with operators is entirely the Bidder's responsibility.
2.3.4.3 Asset Transfer at Contract Completion
At contract completion, the Bidder shall transfer to GEL:
• All deployed Modems, MIUs, antennas, enclosures and associated field hardware in fully
functional condition.
• Complete asset inventory with GPS coordinates, serial numbers, make, model, firmware
versions and condition reports for every device.
• All SIM cards registered in Bidder's name with updated service agreements.
• Documentation for all EVC OEM communication drivers developed under this contract.
• All AMI Platform documentation, API specifications, configuration files, integration
specifications and operational manuals.
• Active software licences in GEL's name, with transition support to GEL or its nominated
2.3.5 Cybersecurity and Data Protection Requirements
The AMI System shall be designed, implemented and operated as a cyber-secure system
throughout the contractual period. Cybersecurity is not an optional feature — it is a baseline
requirement that applies to every component and layer of the AMI System.
2.3.5.1 Communication Encryption
All data communication within the AMI System shall be encrypted in accordance with applicable
industry standards:
• Field device to AMI Platform (Modem/MIU → Cloud): All data transmitted from Modems
and MIUs to the AMI Platform over the WAN shall be encrypted using TLS 1.2 or higher
(TLS 1.3 preferred). Unencrypted communication paths between field devices and the
platform are not permissible under any circumstances.
• Intra-platform communication: All communication between AMI Platform components
(application layer, data layer, integration layer) shall be encrypted.
• Platform to enterprise systems: All data exchanges between the AMI Platform and GEL's
enterprise systems (SAP Billing, CMP, CRM and others) shall be encrypted using TLS 1.2 or
• Data at rest: All metering data, configuration data and user data stored in the AMI Platform
shall be encrypted at rest using AES-256 or equivalent.
• The Bidder shall provide GEL with a communication security architecture document as part
of the Phase 2 deliverables, confirming the encryption standards applied at each
communication boundary.
2.3.6 Overall System Cybersecurity
The complete AMI System — including field devices, communication network, AMI Platform and all
integrations — shall comply with the following cybersecurity requirements:
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• Standards compliance: The AMI System shall comply with IEC 62443 (Industrial
Automation and Control Systems Security) at applicable security levels and with NCIIPC
guidelines for Critical Information Infrastructure throughout the contractual period.
• Secure device identity: All field devices (Modems and MIUs) shall implement device
authentication mechanisms to prevent unauthorised device spoofing, replay attacks and
man-in-the-middle attacks.
• Access control: The AMI Platform shall implement Role-Based Access Control (RBAC),
Multi-Factor Authentication (MFA) and Active Directory integration with Single Sign-On
(SSO) as specified in Section
• Penetration testing: The Bidder shall conduct an independent penetration test of the
complete AMI System by a CERT-In empanelled security auditor prior to Go-Live. All
critical and high severity findings shall be remediated before GEL grants Go-Live
acceptance. Penetration test results and remediation evidence shall be submitted to GEL as
a Go-Live prerequisite. Bidder shall also undertake the VAPT every year during the
contractual period.
• Security patch management: The Bidder shall apply security patches to the AMI Platform,
cloud infrastructure and field device firmware within 30 days of availability for critical patches
and 90 days for non-critical patches, with prior notification to GEL for each patch
deployment. Formal intimation for security patches to be given to GEL without affecting
GEL’s Billing and data collection time frame.
• Cybersecurity audit: The Bidder shall conduct and submit to GEL an annual cybersecurity
review of the AMI System throughout the O&M Period.
2.3.7 Product and Software Lifecycle Requirements
No hardware product, software product, operating system, database, middleware, or any other
component proposed as part of the AMI System shall be at or beyond its End-of-Life (EOL) or
Endof-Support (EOS) date at the time of deployment. Specifically:
• All proposed hardware products shall have a minimum remaining manufacturer support life
of 5 years from the planned Go-Live date.
• All proposed software products, operating systems, databases and middleware shall have
active vendor support and security patch availability for the entire contractual period
(implementation + O&M).
• The Bidder shall submit, as part of the technical proposal, a Product Lifecycle Declaration
listing every hardware and software component in the proposed AMI System along with the
current manufacturer support status and confirmed EOL/EOS date for each component.
• In the event any component reaches EOL/EOS during the O&M Period, the Bidder shall
proactively plan and execute an upgrade or migration to a supported version at no additional
cost to GEL, with prior intimation and GEL's written approval.
• GEL reserves the right to reject any proposal that includes EOL or EOS products at the time
of bid evaluation.
2.3.8 Project Objectives
The AMI System shall achieve the following objectives for Gujarat Energy Limited:
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1. Zero Manual Meter Reading: Automate gas consumption data collection from all in-scope
EVC and PD meter locations, achieving the billing data availability SLAs defined in Section
2. Multi-OEM EVC Integration: Integrate with all EVC makes and models across GEL's
network through newly supplied Modems and purpose-developed OEM drivers, with no
exclusion of any EVC type on grounds of compatibility.
3. Industrial PD Meter Automation: Enable automated data collection from all in-scope
Positive Displacement meters through newly supplied MIUs (with built-in or dedicated
external modems) and pulse interface cabling.
4. Billing System Integration: Deliver validated, VEE-processed gas consumption data to
GEL's SAP Billing system, supporting GEL agreed billing cycles of 7-day, 10-day and 15day
intervals across different customer categories, without disruption to any billing cycle.
5. Real-Time Operational Visibility: Provide GEL's GA Teams with real-time visibility of field
device status, data collection performance, alarms and exceptions through the AMI Platform
web interface and GEL staff mobile application.
6. Enterprise Integration: Interface the AMI Platform with GEL's SCADA, CMP, CRM and
other enterprise systems as required during the contractual period through open, standard
7. Parallel Operations: Demonstrate complete and accurate functioning of the new AMI
System through a mandatory parallel operations period before decommissioning of the
existing AMI system, with zone-wise acceptance by GEL based on comparative data
reconciliation.
8. Cyber-Secure System: Implement and maintain a fully cyber-secure AMI System with
encrypted field-to-platform communication (TLS 1.2 or higher), IEC 62443 and NCIIPC
compliance, annual cybersecurity audits and timely security patch deployment throughout
the contractual period.
9. Data Integrity and Regulatory Compliance: Ensure all collected meter data undergoes
VEE processing with a complete, immutable audit trail and that all data storage and reporting
complies with PNGRB regulations and applicable standards throughout the contractual
10. Vendor Independence: Protect GEL's long-term operational independence through COTS
platform selection, open API standards, supported (non-EOL) products and structured asset
transfer at contract completion.
2.3.9 Project Beneficiaries
Stakeholder Benefit
GEL GA Teams Real-time field device visibility, automated alarms, exception management
and AMI system dashboards via web platform and mobile app across all
GEL Revenue and Automated delivery of validated billing data to SAP across all billing
Billing cycles; elimination of estimated bills; complete data audit trail
GEL Safety and Real-time tamper alerts, communication failure notifications and
Operations consumption anomaly detection surfaced through AMI dashboards and
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
GEL Management Network-wide consumption analytics, gas loss/NTL analysis, data
completeness KPIs and regulatory reporting
PNGRB / Regulators Automated regulatory data exports; immutable event and audit logs;
historical data accessible for any period within the 10-year retention
GEL Finance Transparent SLA-linked quarterly billing; asset inventory visibility;
structured handover at contract completion
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3 Scope of Work
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3.1 AMI General Requirements
This section defines the comprehensive scope of work to be performed by the BIDDER for the design,
supply, installation, testing, commissioning and post-implementation support of the AMI system for
Gujarat Energy Limited. The scope is divided into two main parts:
• Brief Scope of the Bidder: A brief scope of the proposed AMI system.
• Metering Sites wise Scope: Specific monitoring and control requirements for each type of facility in
the gas distribution network.
• General AMI Scope: Requirements for central AMI system functionality, including software,
infrastructure, analytics, reporting and integration.
3.2 Brief AMI Scope of the Bidder
• The Bidder shall design, supply, install, test, commission, operate and maintain a complete Advanced
Metering Infrastructure (AMI) System for Gujarat Energy Limited to replace GEL's existing AMI
system and automate meter data collection from field metering locations (Qty. as specified in the
SOR) across GEL's 29 Geographical Areas.
• In the event of any discrepancy between the quantities of metering nodes listed in SOW, quantities
identified during the survey and quantities stated in the SOR (Schedule of Rates), the quantities in
the SOR shall prevail for commercial purposes. The Bidder shall flag any such discrepancy in writing
to GEL during the survey; GEL shall issue a written clarification before installation commences. In the
absence of a written clarification, the SOR quantities shall be treated as final.
• The battery limit for the bidder starts from, in the case of EVC at the serial port and in the case of PD
meters at the index cover. The bidder is not required to supply either the EVCs or PD meters under
the scope of this RFP.
• The Bidder shall supply and install new dual-SIM wireless Modems at all EVC-equipped metering
locations (IMS). The Bidder shall integrate all EVC makes and models present in GEL's network. No
EVC location shall be excluded on grounds of EVC type, make, model, or communication protocol.
All Make and Models of EVCs and PD Meters (List as provided separately as Annexure) shall be
integrated by the Bidder without fail. This shall form the basis for Go-Live criteria. All Modems shall
be newly supplied — reuse of existing field hardware is not permitted.
• The Bidder shall supply and install Meter Interface Units (MIUs) with built-in or dedicated external
modems with dual-SIM functionality, along with all required pulse interface cabling, at all in-scope
Positive Displacement (Diaphragm) meter locations at Industrial customer sites.
• The Bidder shall deploy, configure and maintain a cloud-hosted COTS AMI Platform on a MeITY
empanelled cloud infrastructure with a geographically separate Disaster Recovery site. The AMI
Platform shall deliver HES functionality, MDMS functionality, a GEL staff mobile application and all
specifications as specified in this document.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
The Bidder shall configure mandatory integration between the AMI Platform and GEL's SAP
Billing system, supporting different types of billing cycles such as 7-day, 10-day and 15-day
intervals (or any other billing cycle as per GEL requirement). The Bidder shall configure
integrations with GEL's SCADA, CMP, CRM and other enterprise systems as and when required
during the contractual period.
The Bidder shall develop communication drivers for all EVC OEM makes and models in GEL's
network if that are not natively supported by the proposed AMI Platform.
The Bidder shall plan and execute a mandatory parallel operations period zone-by-zone,
providing comparative data reconciliation reports for GEL's acceptance at each zone.
The Bidder shall select the wireless communication technology — cellular (4G LTE) or NBIoT
— appropriate for site conditions at each location. GEL specifies SLA outcomes; the Bidder
selects the technology to meet them.
The Bidder shall manage all SIM cards throughout the contractual period. All SIMs shall be
• registered in Bidder's name.
The Bidder shall procure, own, operate and maintain all hardware throughout the contractual
• period and transfer all assets to GEL in fully functional condition at contract completion, with
a minimum remaining useful life of five years per component.
The Bidder shall operate and maintain the complete AMI System during the five-year O&M
• Period, meeting all SLAs specified in Section 12 of this document.
The Bidder shall make sure all hardware and software products proposed under this RFP are
• not at or beyond their End-of-Life (EOL) or End-of-Support (EOS) date at the time of
deployment and carry a minimum remaining manufacturer support life of five years from the
planned Go-Live date.
The Bidder shall ensure all field-to-platform communication is encrypted using TLS 1.2 or
• higher. The complete AMI System and its data shall comply with IEC 62443, NCIIPC and DPDP
guidelines for cybersecurity throughout the contractual period.
The Bidder shall conduct an independent penetration test by a CERT-In empanelled security
• auditor prior to Go-Live and remediate all critical and high severity findings before seeking
GEL's acceptance. Additionally, Bidder shall also undertake the VAPT testing through CERT-IN
empanelled agency every year and shall submit report in this regard.
The Bidder shall carry out any modifications, additions, or configuration changes to the AMI
• Platform as required by GEL at any stage of the project, including during the O&M period, without
additional cost to GEL.
The Bidder shall handle any increase in the quantity of field devices, including all associated
• works — survey, supply, installation, commissioning and AMI Platform registration — as per the
annual unit rate applicable for that O&M year as priced in the SOR.
The AMI platform architecture shall support canonical data model-based normalization to enable
• standardized interoperability across multi-OEM devices and enterprise applications.
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• The bidder shall supply and install junction boxes with surge protection devices for all field
connections at hazardous area locations in accordance with IEC 60079 for Zone 1, Gr IIA/B with
mandatory ATEX/PESO certification for all supplied equipment .
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The Bidder shall estimate and recommend minimum bandwidth requirement for the internet /
intranet each of the GA locations and Head office / other office locations of GEL to access cloud-
• based AMI solution.
The bidder shall ensure the mobile application supports both iOS and Android platforms with role-
• based access control and secure authentication.
The bidder shall configure the Mobile Gateway Server to manage mobile authentication,
optimize data for efficient mobile transmission, handle push notifications for alarms and
• events and manage offline synchronization for mobile devices.
The bidder shall deploy comprehensive cyber security across enterprise IT and OT networks for
a unified end-to-end security architecture with separate firewalls for OT Networks and
redundant firewalls for internet and intranet with automatic failover capability.
The bidder shall be responsible for all activities related to software including firmware
upgradation, patch management and software updates throughout the warranty and postwarranty
maintenance period.
The bidder shall deploy multiple teams in each GA location to complete all installation works
within the defined time schedule, with at least one safety engineer in each GA location while
work is being carried out to ensure compliance with safety protocols.
The bidder shall provide surge protection devices extensively for AC/DC at input and output,
as well as at earth circuits and field communication links to ensure system robustness against
electrical transients.
The bidder shall ensure all equipment is capable of operating in the specified environmental
conditions and designed for 24x7 operation, with all modems and MIUs being of rugged design
(industrial grade), as air-conditioned rooms are not available at GA locations.
The bidder shall coordinate with mechanical, civil, electrical, instrumentation and other
contractors for all works related to AMI, conduct site visits to gather any required input or data
and shall take work permits from GEL for each station for each day of working at any station.
• The bidder shall design the AMI system with flexibility for future technological upgrades and
deliver a system architecture that supports addition of new EVCs, new parameters and
modifications to existing configurations without requiring major system changes.
• The bidder shall carry out any number of changes, modifications, additions, or deletions to
Graphics, Logics, Reports, etc. as required by GEL for any number of times at any stage of
the project (including during warranty and post-warranty periods) without any additional cost to
• The bidder shall handle the scope for increase of quantity of any item involving all the works
including design, engineering, transport, insurance, loading, unloading, supply, erection,
cabling, glanding, termination, testing and commissioning of the respective item, complete in all
• The bidder shall implement VPN tunnelling architecture with IPsec protocol and AES-256
encryption for all communications between field devices and the cloud-based AMI infrastructure.
All APIs, protocol adapters, communication interfaces and integration interfaces shall be openly
• documented and made available to GEL without additional licensing dependency.
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RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
All equipment shall be capable of operating for the specified environmental conditions. All
equipment unless otherwise specified, shall be electronic type.
Dual pole MCB shall be provided for all power isolation at any location. Power to any device
at any location shall be through dual pole MCB.
Laying & routing of cables through conduits, glanding, termination of cables, dressing and
ferruling for all the cables.
Providing earthing to new AMI equipment at all locations by extending the earth conductor of
suitable dimension from earth pit or earthing grid. Vendor may check earth connectivity before
connection to the equipment rack. Bidder shall use 1 C x 6 sq mm FRLS armoured cable for
earthing at each location and cost of the same shall be included in installation cost of
respective equipment.
Vendor must coordinate with Instrumentation / Telecommunication / Electrical / CP system
contractor / vendor during installation & commissioning for proper integration as required.
The electrical works associated with the installation and commissioning of the equipments,
earthing of equipments at all sites, powering of equipments at all sites, termination of cables
as required shall be the responsibility of the bidder. Supply and laying of Power Cables from
Electrical panel to respective equipment cables as required shall be the responsibility of the
Glanding, ferruling, cable tagging at both ends of each cable, termination of cabling at field
devices end, work station end and respective end at EVC, Electrical Panel, IEDs or any other
• interfacing device shall be bidder’s responsibility.
The design and installation shall be generally in accordance with international recommended
practices and other applicable standards like ASI, IBR etc. All standards, code of practice shall
• be of the latest edition.
The Bidder shall provide power solution for all modems at GEL sites including all hardware,
materials and installation activities as specified below:
All materials and equipment shall be of the highest quality, conforming to international
standards and safety requirements. The Bidder shall provide all necessary installation
• accessories, supports and ancillary items required for complete and safe grid power connection
to the EVC, whether specifically mentioned or not.
The bidder shall give necessary user, access and configuration to GEL for all the applications
The bidder shall provide and configure the firewall for all applications and it should be Nextgen
All hardware and components supplied under this contract shall be brand new, unused and latest
generation available from the manufacturer.
No refurbished, reconditioned, or second-hand equipment shall be supplied under any
All hardware and components shall come with manufacturer's comprehensive warranty as
specified in the contract terms.
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RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
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The Bidder shall provide manufacturer's warranty certificates for all supplied hardware and
Any hardware or component found to be non-compliant with the "new" requirement shall be
immediately replaced at the Bidder's cost without any time extension.
The Bidder shall assume complete responsibility for any incident, failure, or disruption occurring
in the deployed systems during the contract period.
Incident management shall include:
• o Immediate response to any system failure or
disruption o Root cause analysis and corrective action
implementation o Preventive measures to avoid
recurrence o Complete documentation of incident and
resolution steps The Bidder shall be liable for:
• o Any business disruption caused by system failures
o Data loss or corruption incidents o Security
breaches or cyber incidents o Performance
degradation below SLA requirements
The Bidder shall maintain comprehensive incident management system with real-time tracking
and reporting capabilities.
GEL shall be immediately notified of any incident along with preliminary assessment and
resolution timeline.
The Bidder shall be responsible for performing and completing all work, activities, services
and deliverables necessary for the successful completion of the project, whether specifically
mentioned in the scope of work or not. This includes but is not limited to any ancillary work,
supporting activities, complementary services, regulatory compliance requirements, testing,
commissioning, documentation, training and any other tasks that are reasonably necessary
or incidental to achieve the project objectives and deliverables as envisioned. The Bidder
cannot claim additional compensation or refuse to perform any work on the grounds that
such work was not explicitly mentioned in the scope of work, provided such work is
reasonably necessary for project completion. The Bidder is expected to use their professional
expertise and industry knowledge to identify and execute all necessary work components to
deliver a complete, functional and ready-to-operate solution.
The bidder shall ensure all work is performed in line with GEL health and safety guidelines
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RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• This is a NO DEVIATION TENDER. All bidders must complete the attached Deviation Form.
Any deviations noted outside of this prescribed form will render the offer non-responsive and
liable for rejection, as per the form's instructions
• In case of any dispute between Bidder and OEM, it shall be the responsibilities of Bidder to
resolve this concern. In any case, there should not be any impact on GEL arising out of this
dispute. Bidder should ensure this to be addressed.
• If in case the SI does not perform up to the GEL's expectation in alignment with RFP
requirements, GEL shall serve them with one notice, followed by 2 show cause notices and if
the same is not addressed even after these 3 notices, GEL reserves the right to terminate the
contract with the Bidder, including blacklist the Bidder. GEL may award such work to other
agency and also reserves the right to recover the cost associated with this, including the
execution and / or O&M from the Bidder.
3.3 EVC OEM Driver Development
3.3.1 Driver Development
• The Bidder shall develop communication drivers for all EVC OEM makes and models in GEL's
network if that are not natively supported by the proposed AMI Platform. This work is within the
Bidder's scope and shall be completed before hardware installation begins at locations with
those EVC OEMs.
• Driver development for all EVC OEMs present in GEL's network (as per Annexure A) at the
time of contract award should be completed and is included in the Bidder's contracted price.
No additional charge to GEL applies for these drivers.
• For new EVC OEMs introduced into GEL's network after contract award, where the AMI
Platform does not natively support that OEM's protocol, the Bidder shall develop the required
driver. The one-time cost of driver development per new EVC OEM shall be separately quoted
by the Bidder and agreed with GEL before development commences. This is a separate line
item in the SOR.
• The Bidder shall maintain a driver version register, updated whenever a driver is developed,
modified, or upgraded.
3.3.2 New EVC and PD Meter Onboarding During the O&M Period
• During the five-year O&M Period, GEL will install new EVC and PD meters at new or existing
metering locations. The Bidder shall onboard all such new meters into the AMI System.
• New meter onboarding during the O&M Period shall be priced on the annual unit rate
applicable for the year in which onboarding occurs, as quoted in the SOR. The SOR shall
contain a separate unit rate for each year of the O&M Period (Year 1 through Year 5).
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• GEL shall pay per device onboarded at that year's rate. There is no blanket or free onboarding
of new meters during the O&M Period.
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The Bidder's scope for each new device is identical to the initial deployment scope: physical
survey, supply and installation of hardware, WAN connectivity, device commissioning in the AMI
Platform and confirmation of data collection.
Where a new EVC OEM not previously present in GEL's network is introduced during the O&M
Period, driver development costs shall apply as per SOR.
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RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
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3.4 Indicative AMI Scope
The following table provides an indicative station-wise breakdown of the AMI scope. A detailed GA-wise and location-wise list of all EVC and PD meter
locations is provided in Annexure A.
Sr. No. of New Hardware to be Supplied and Services to be Performed by Bidder
No. Location Type Locations Installed by Bidder
1 Metering Skid 3,158 - New dual-SIM industrial wireless - Physical survey and site assessment - Interface with
(IMS) — with EVC Modem per EVC EVC via
- Antenna with mounting hardware
- Configuration of communication protocol (Modbus
- Weatherproof enclosure (outside
RTU/TCP or EVC OEM protocol as applicable)
skid, safe zone, min. 1.5m from skid)
- TLS-encrypted communication to AMI Platform
- Shielded cable between EVC and
Modem - Push and pull data collection configuration
- Surge protection devices - OTA firmware update capability
- Cable glands and mounting - Device registration and commissioning in AMI Platform
- Parallel operations data collection and reconciliation
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2 Positive 1,439 - New MIU with built-in or - Physical survey and site assessment, including pulse
Displacement dedicated external modem per PD meter output interface evaluation
- Pulse interface cabling from PD - Supply and installation of pulse interface cabling
meter pulse output to MIU
- MIU configuration with correct pulse constant per meter
- Antenna with mounting hardware
- TLS-encrypted communication to AMI Platform
- Weatherproof enclosure
- Device registration and commissioning in AMI Platform
- Surge protection devices
- Parallel operations data collection and reconciliation
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Sr. Location Type No. of New Hardware to be Supplied and Services to be Performed by Bidder
No. Locations Installed by Bidder
- Cable glands and mounting
3 Commercial Part of Same as Row 1 Same as Row
Metering Sites — 3,158 above
4 Domestic Meters 100 - New MIU with built-in or - Physical survey and site assessment, including pulse
with G1.6 PD dedicated external modem per PD meter output interface evaluation
meters - Pulse interface cabling from PD - Supply and installation of pulse interface cabling
meter pulse output to MIU - MIU configuration with correct pulse constant per meter
- Antenna with mounting hardware - TLS-encrypted communication to AMI Platform
- Weatherproof enclosure - Device registration and commissioning in AMI Platform
- Surge protection devices - Cable - Parallel operations data collection and reconciliation
glands and mounting accessories
Note: The quantities listed above are indicative for planning purposes. The Bidder shall verify all quantities during Site Survey and Onboarding. Payment
shall be made based on actual quantities commissioned and operated. Refer to Annexure A for the detailed GA-wise location list.
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3.4.1 Detailed AMI Hardware Scope
3.4.1.1 Metering Sites with EVC (IMS)
3.4.1.1.1 Existing Setup
• Industrial and Commercial metering Skids are equipped with EVCs of multiple make and
models for gas volume correction and billing measurement.
• GEL's existing AMI system currently collects data from these EVCs through installed
modems. The Bidder shall replace all existing modems with newly supplied Modems Reuse
of any existing modem hardware is not permitted.
• EVC make and models vary across GEL's 29 GAs. Some EVCs communicate via Modbus
RS-485/232; others use proprietary OEM protocols. A detailed list of EVC OEMs and models
is provided in Annexure A.
3.4.1.1.2 New Hardware to be Supplied and Installed by Bidder
• The Bidder shall supply and install one new dual-SIM industrial wireless Modem per EVC at
each IMS location.
• The Bidder shall supply and install an antenna at each location, with appropriate mounting
hardware and cable routing to achieve optimum signal reception.
• The Bidder shall supply and install a weatherproof enclosure for the Modem and associated
accessories. The enclosure shall be positioned outside the metering skid in the safe zone, at
a minimum distance of 1.5 metres from the skid, in line with prevailing field practice at GEL
• If the modem is not ATEX/PESO certified, an appropriate ATEX/PESO certified safety
barrier is to be installed by the bidder between EVC and the modem
• The Bidder shall supply and install shielded communication cable between the EVC
communication port and the Modem.
• The Bidder shall supply and install surge protection devices on all communication lines.
• The Bidder shall supply and install cable glands at all field connections.
• All hardware installed in or near hazardous area classified zones shall be ATEX/PESO
certified and suitable for the applicable area classification. The enclosure shall carry a
minimum IP65 rating for outdoor installation in industrial environments.
• The Bidder shall determine and implement the power supply arrangement — mains, battery,
or other source — required to meet the device availability SLA specified in Section 12. GEL
does not prescribe the power source; the Bidder is responsible for continuous device
• The Bidder shall supply and install a weatherproof industrial outdoor enclosure for each
Modem installation. The enclosure shall meet minimum IP65 ingress protection for outdoor
industrial environments. The enclosure shall be installed in the safe zone, at a minimum
distance of 5 feet (1.5 metres) from the boundary of the hazardous area at the metering skid
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
and shall not be positioned inside any hazardous classified zone. The enclosure shall be
wall-mounted or pole-mounted as dictated by site conditions. Where pole mounting is
required, the Bidder shall supply and install the pole, including all civil foundation work,
hardware, clamping brackets and associated accessories — pole installation is within the
Bidder's scope. All ancillary items required for the weatherproof enclosure installation —
cable glands, mounting plates, DIN rails, terminal blocks, breathers, hinged lockable door,
anti-condensation heater where required and anti-tamper seal — shall be supplied and
installed by the Bidder.
3.4.1.1.3 Work Associated with Implementation
• The Bidder shall conduct a physical site survey at each IMS location prior to installation, as
detailed in Section 3.5.
• The Bidder shall engineer and implement the interface between the new Modem and the
EVC via RS-232/RS-485, using shielded cable.
• The Bidder shall configure the communication protocol between the Modem and EVC —
Modbus RTU/TCP or the applicable EVC OEM proprietary protocol — using the appropriate
driver in the AMI Platform.
• Where the AMI Platform does not natively support an EVC OEM's communication protocol,
the Bidder shall develop the required driver before installation at those locations
commences. Refer to Section 3.8 for driver development obligations.
• The Bidder shall configure TLS 1.2 or higher encryption on all data communication between
the Modem and the AMI Platform.
• The Bidder shall configure the modem to push data transmission at all required frequencies,
with a minimum of daily standard read with 24 hourly granular read and real-time
eventtriggered push. All parameters as present in the hourly logs of existing EVC / MIU shall
be pushed to AMI System as per pre-define periodicity by the modem.
• The Bidder shall configure on-demand (pull) data read capability for each device.
• AMI Software shall be capable to push/pull data based on GEL EIC requirements
• Daily, Hourly, interval based as per the time frame mentioned in customized way in terms of
Dates. All parameters data configured in EVC’s to be retrived remotely from AMI software.
• The Bidder shall implement store-and-forward functionality based on available EVC or
Modem memory to retain data during communication outages and transmit on reconnection.
• The Bidder shall configure OTA firmware update capability for each deployed Modem
through the AMI Platform.
• The Bidder shall register and commission each device in the AMI Platform, verify successful
data transmission and confirm that the AMI Platform is correctly receiving and processing
data from the device before completing installation at that location.
• All installation activities shall be carried out in the presence of GEL's designated
representative. Comprehensive installation records including photographs, signal strength
readings and commissioning test results shall be maintained for each location.
The Bidder shall restore the site to its pre-installation condition on completion of works at
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
3.4.1.1.4 Connectivity
• The Bidder shall design and deploy WAN connectivity for each IMS location using the
communication technology — cellular or NB-IoT— selected by the Bidder based on site
signal survey results and the SLA requirements in Section
• Each Modem shall be fitted with dual SIM cards. The primary and secondary SIM slots shall
be configured for automatic failover. The Bidder shall, where operationally feasible, use SIM
cards from two different network operators across the two SIM slots to maximise network
• The Bidder shall activate both SIM slots, verify data transmission on each slot independently
and confirm automatic failover between slots during commissioning testing.
• All SIM cards shall be registered in Bidder's name under appropriate industrial/IoT service
plans. GEL shall determine SIM operator preference before procurement.
The Bidder shall configure a dedicated APN or equivalent secure network configuration for all SIM
cards to prevent unauthorised access to the communication channel
3.4.1.2 Positive Displacement Meters
3.4.1.2.1 Existing Setup
• PD (Diaphragm) meters have provision to interface with MIU.
• At present, meter reading of PD meter locations is carried out manually. Under this RFP,
new MIUs shall be supplied, installed, operated and maintained by the Bidder for the entire
contract duration.
• PD meters at these locations vary by make and model across GEL's network. A detailed list
of PD meter locations is provided in Annexure A.
3.4.1.2.2 New Hardware to be Supplied and Installed by Bidder
• The Bidder shall supply and install new MIU per PD meter at each in-scope location. Each
MIU shall incorporate a built-in communication modem or shall be paired with a dedicated
external communication modem. MIU shall be ATEX/PESO certified for installation in Zone
Hazardous area.
• If the MIU is not ATEX/PESO certified, an ATEX/PESO certified safety barrier is to be
installed by the bidder between PD meter and the MIU
• The Bidder shall supply and install pulse interface cabling from the PD meter's pulse output
port to the MIU input. All pulse cabling shall be shielded and routed appropriately for the
installation environment.
• The Bidder shall supply and install appropriate mounting hardware and a weatherproof
enclosure for the MIU, rated at minimum IP54 for outdoor industrial use.
• The Bidder shall supply and install surge protection devices on communication lines.
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The Bidder shall supply and install cable glands at all field connections.
• All hardware shall be ATEX/PESO certified for the applicable hazardous area classification
at the installation site.
• Where the MIU is of snap-fit type and mounts directly on the meter index, no additional
enclosure is required provided the MIU's own housing meets minimum IP65. Where the MIU
is not of snap-fit type, the Bidder shall supply and install a weatherproof junction box with
a hinged, lockable door for the MIU. The junction box shall be mounted at the most
appropriate position for the site — wall-mounted, pole-mounted, or pipe-mounted —
based on site conditions identified during the Phase 1 survey. Where pole or pipe mounting
is required, the Bidder shall supply and install all associated mounting hardware, brackets
and civil works. All ancillary items — cable glands, mounting hardware, DIN rails,
anticondensation provisions and anti-tamper seals — shall be supplied and installed by the
Bidder. The wire-seal provision specified in Section 5.3.1 shall apply regardless of mounting
• The Bidder shall determine and implement the power supply arrangement required to meet
the device availability SLA specified in Section
3.4.1.2.3 Work Associated with Implementation
• The Bidder shall conduct a physical site survey at each PD meter location prior to
installation, including assessment of the pulse output interface, pulse cabling route and site
conditions, as detailed in Section 3.5.
• The Bidder shall supply and install pulse interface cabling between the PD meter pulse
output and the MIU. Cable routing shall protect cabling from mechanical damage and
environmental exposure.
• The Bidder shall configure the pulse constant in the MIU to match the PD meter's rated
pulse output per unit volume and verify pulse count accuracy against a concurrent manual
meter reading before installation is complete.
• The Bidder shall configure TLS 1.2 or higher encryption on all communication between the
MIU/modem and the AMI Platform.
• The Bidder shall configure the modem to push data transmission at all required frequencies,
with a minimum of: daily standard read with 24 hourly granular read and real-time
eventtriggered push.
• The Bidder shall configure on-demand (pull) data read capability for each device.
• The Bidder shall configure OTA firmware update capability for each deployed MIU through
the AMI Platform.
• The Bidder shall register and commission each MIU in the AMI Platform, verify successful
data transmission and confirm that the AMI Platform is correctly receiving and processing
pulse-count data from the device before completing installation at that location.
• All installation activities shall be carried out in the presence of GEL's designated
representative, with comprehensive installation records including photographs, pulse count
verification data, signal strength readings and commissioning test results maintained for
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
The Bidder shall restore the site to its pre-installation condition on completion of works at
• The MIU shall capture the meter index in a manner that is numerically identical to the
mechanical index displayed on the PD meter at the time of reading. The Bidder shall
configure the pulse constant per device to make sure the MIU-derived cumulative volume
matches the mechanical index reading at all times. Any discrepancy between the
MIUcaptured index and the mechanical index at the time of commissioning constitutes a
commissioning failure.
3.4.1.2.4 Connectivity
• The Bidder shall design and deploy WAN connectivity for each PD meter location using the
communication technology selected by the Bidder based on site signal survey results and
SLA requirements in Section
• Each MIU modem (built-in or external) shall support dual-SIM operation with automatic
failover. The Bidder shall activate both SIM slots, verify data transmission on each and
confirm failover functionality during commissioning testing.
• All SIM cards shall be registered in Bidder's name.
• The Bidder shall configure a dedicated APN or equivalent secure network configuration for
3.5 General AMI Platform Scope
This section defines the requirements for the AMI Platform and all associated software
components. Detailed functional specifications for each module are provided in Section
The Bidder shall design, supply, install, test, commission, operate and maintain a complete
Advanced Metering Infrastructure (AMI) System for Gujarat Energy Limited, covering all field
metering locations made up of EVC-equipped metering and approximately Positive Displacement
metering sites — across GEL's 29 Geographical Areas. In the event of any discrepancy between
quantities stated in this Scope of Work and quantities in the Schedule of Rates, the Schedule of
Rates shall prevail for commercial purposes; the Bidder shall flag such discrepancies in writing to
GEL during Phase
Prior to decommissioning the existing AMI system, the Bidder shall conduct a mandatory parallel
operations period — indicatively 30 to 60 days per zone — during which both systems shall
simultaneously collect data from the same field devices. The Bidder shall provide a zone-wise
comparative data reconciliation report before GEL authorises decommissioning in each zone.
The AMI Platform is the central software system through which all field metering data flows. It is
structured across four functional layers — HES (Head-End System), MDMS (Meter Data
Management System), NMS (Network Management System) and EMS (Enterprise Management
System) — each with a dedicated scope sub-section below. Cross-cutting capabilities that span all
four layers are covered in the sub-sections from 3.4.14 onwards.
3.5.1 AMI Platform Overview and General Requirements
• The Bidder shall deploy a COTS AMI Platform on a MeITY-empanelled private cloud with all
data centres within India. The Cloud Service Provider shall maintain active MeITY
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empanelment for the full contractual period including any extensions; loss of empanelment
shall require immediate migration to a compliant provider at the Bidder's cost with no
disruption to GEL operations.
• The AMI Platform shall be hosted in a primary cloud data centre with a geographically
separate Disaster Recovery (DR) site. The DR site shall be in a different geographic region
from the primary. Automatic failover to the DR site shall be configured and tested with a
Recovery Time Objective (RTO) of four hours or less and a Recovery Point Objective (RPO)
of one hour or less.
• The AMI Platform shall support the contracted metering scope and shall be scalable to a
minimum of 7,000 metering points without architectural redesign, performance degradation,
or additional per-node licence cost beyond the contracted rate.
• The Bidder shall demonstrate at least two live utility references for the proposed COTS AMI
Platform at the time of bid submission.
• The AMI Platform architecture — whether a single unified COTS product or separate
preintegrated components — is at the Bidder's discretion, provided all functional
requirements in Section 4 are met. Where HES and MDMS functionality are delivered as
separate products, they shall be pre-integrated at the time of bid submission; custom
integration developed at implementation is not acceptable.
3.5.2 Interoperability and Open Standards
• The AMI Platform shall be built on open, documented protocols and data standards —
including Modbus RTU/TCP, DLMS/COSEM, MQTT and REST APIs — so that GEL can
independently connect third-party systems, onboard new field devices and replace any
platform component at contract expiry without architectural constraints. No proprietary
interface that creates vendor lock-in at any layer is acceptable.
• At contract expiry, GEL or its successor shall be able to onboard Modems and MIUs from
any compliant manufacturer through the platform's open API and standard protocol
interfaces, without requiring any architectural change to the AMI Platform. The Bidder shall
demonstrate this capability during UAT by simulating onboarding of a device from a
manufacturer different from the originally deployed hardware.
• All integration interfaces between the AMI Platform and GEL enterprise systems shall
conform to the IEC 61968-9 CIM data model or an equivalent industry-standard data model
agreed with GEL before Go-Live.
• All hardware supplied under this RFP shall be newly manufactured, carry a remaining
manufacturer support life of at least five years from the planned Go-Live date and not be at
or beyond End-of-Life or End-of-Support at the time of supply.
3.5.3 Multi-OEM EVC and PD Meter Integration
• The AMI Platform shall communicate with all EVC makes and models in GEL's network as
listed in Annexure A. No EVC location shall be excluded due to protocol limitations or
proprietary interface constraints. All future EVC makes and models introduced during the
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contractual period shall likewise be integrated; a separate one-time SOR line item shall
apply per new EVC make or model not present in Annexure A at contract award.
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• The Bidder shall maintain a driver library covering all EVC OEMs in GEL's installed base and
shall develop drivers for any OEM not natively supported by the proposed platform. Driver
development for all OEMs in Annexure A at contract award is within scope at no additional
• At this stage, the AMI System shall read data from EVCs and update alarm thresholds
through the AMI Platform.
• Remote configuration of other EVC parameters is not part of this scope.
• The AMI Platform shall communicate with all PD meter MIU types installed under this RFP.
Integration is via the MIU pulse interface. The AMI Platform shall communicate with all PD
meter MIU types installed under this RFP; all PD meter locations are in scope without
• All liaison with EVC and PD meter OEMs required to complete driver development, resolve
protocol ambiguities, obtain technical documentation and fulfil any other obligation under this
RFP shall be the sole responsibility of the Bidder; GEL shall not be required to intervene or
facilitate communication with any OEM on the Bidder's behalf.
• Where an EVC or PD meter OEM does not cooperate or imposes conditions that delay
driver development or integration, the Bidder shall resolve such impediments independently
and at its own cost; delays or failures attributable to OEM non-cooperation shall not
constitute grounds for milestone extension or additional charges to GEL.
3.5.4 Layer 1 — Head-End System (HES) Functionality
3.5.4.1 Device Communication and Data Acquisition
• The HES layer shall manage all two-way communication between the AMI Platform and field
devices — EVC Modems and PD meter MIUs — covering device registration, protocol
translation, scheduled polling, on-demand reads, alarm event push and OTA firmware
• Communication shall operate in push (device-initiated) and pull (server-initiated, on-demand)
modes, independently configurable per device or device group. Both modes are mandatory.
• Data collection shall operate across three tiers as a minimum: daily billing-cycle reads,
hourly interval reads and real-time event-based push for alarms and tamper events. GEL
reserves the right to modify the data collection frequency, tier structure and parameters at
any time during the contractual period; the Bidder shall implement such changes at no
additional cost.
• The HES shall support NTP-based time synchronisation across all devices with IST as the
mandatory reference; firmware OTA updates with signed firmware and rollback capability;
and store-and-forward with automatic data backfilling from device internal memory following
communication outages.
• Where HES and MDMS functionality are delivered as separate products, their interface shall
be a pre-integrated, native data flow using IEC 61968-9 CIM or an equivalent standard
agreed with GEL, with a maximum 5-minute synchronisation lag for billing-grade data.
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3.5.5 Layer 2 — Meter Data Management System (MDMS)
3.5.5.1 Meter Data Storage and Collection
• The MDMS shall maintain a centralised data repository for all meter data collected from
EVCs and MIUs, retaining all collected and processed data for a minimum of 10 years with
full retrieval and export capability for any historical period.
• Original raw data received from field devices shall be preserved in a non-manipulated state
alongside processed data for the full retention period. No user — including system
administrators — shall be able to modify or delete raw data records.
• The MDMS shall support customer grouping by customer type (Industrial/Commercial),
geography, GA, billing cycle (7-day, 10-day, 15-day) and any other configurable filter
required by GEL for operational and billing purposes.
• Automated data archival shall run at 180-day intervals or at such other interval specified in
the approved FRS/SRS. The Bidder shall document and demonstrate the archival and
restoration process before Go-Live.
• The MDMS shall automatically detect data gaps in historical records and trigger backfilling
from device internal memory, with conflict resolution for overlapping periods and duplicate
records handled without manual intervention.
3.5.5.2 Validation, Estimation and Editing (VEE)
• The AMI Platform shall process all collected meter data through a configurable VEE engine
before any use in billing or reporting. All VEE rules shall be configurable by GEL without
vendor involvement.
• Validation shall cover at minimum: consumption threshold checks, zero consumption
detection, consecutive identical reading detection, negative flow (reverse flow) detection,
digit overflow correction and pulse coherence verification between MIU and PD meter
• Where validation identifies missing or anomalous values, the VEE engine shall automatically
trigger estimation using industry-standard methods configurable per customer segment. The
estimation workflow shall be configurable: auto-application, manual review before
application, or estimated value as a suggestion pending GEL approval.
• All manual edits to validated or estimated values shall require a reason code from a
configurable list and an authorisation workflow. Every edit shall be logged in an immutable
audit trail with editor identity, timestamp, original value and new value.
• An automated daily data quality report covering completeness, accuracy and discrepancies
shall be generated and made available to GEL's GA Teams without manual intervention.
3.5.5.3 Billing Determinant Calculation
• The MDMS shall calculate all billing determinants required by GEL's SAP Billing system,
including total gas consumption (SCM), energy (MMBTU or GJ), peak flow rate, time-of-day
block consumption, imbalance quantity against Contract Demand or Annual Quantity and
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average calorific value. No PTZ correction shall be applied at the platform level; EVCs
supply corrected volume (Qb) directly.
• Billing determinant calculation shall support 7-day, 10-day and 15-day billing cycles
operating concurrently, with each customer assigned to one cycle. Determinant extraction
shall operate independently per customer's assigned cycle without cross-cycle interference.
• ToD tariff configuration shall be available by customer category, day type (weekday,
weekend, holiday) and season. The number and duration of ToD blocks shall be
configurable by GEL without vendor involvement.
• Special metering situations — check metering, sub-metering, bi-directional metering and
multiple meters at the same premises — shall be handled correctly in all billing and reporting
• Validated billing determinants shall be delivered automatically to GEL's SAP Billing system
on or before each customer's scheduled billing date. A manual reading entry workflow shall
be available as a fallback for locations where automated collection has failed before the
billing date; manual entries shall be flagged in the SAP export.
3.5.5.4 Asset Management
• The AMI Platform shall maintain a master asset repository covering all installed metering
assets, including meter location, customer information (name, BP number), service line
number, meter ID, meter type, configuration parameters, GIS coordinates and customer
hierarchy association (DRS, SLP, CGS, Distribution Main).
• Device lifecycle status — Installed, In Service, Faulty, Decommissioned, Removed — shall
be tracked per device from installation through decommissioning, with configuration change
history retained per asset with timestamp and authorising user.
• GIS coordinates shall be maintained for every installed device, with map visualisation and
hierarchical navigation from network level down to individual device level, filterable by status,
customer category, GA and communication technology.
• Damage and deterioration events shall be loggable against any asset with cause attribution
(customer, operations, environment) and a complete in-service location history per device.
• Bulk asset data import through file upload shall be supported, with validation against existing
records and error reporting before the import is committed.
3.5.5.5 Device Lifecycle and Reconciliation
• The AMI Platform shall manage the full device lifecycle — registration, installation,
provisioning, operations, maintenance and decommissioning — through a defined workflow
with enforced status transitions and appropriate authorisation requirements per transition.
• Automated reconciliation reports shall identify meters installed but not communicating for a
configurable duration, segmented by GA, communication technology and customer category,
without manual generation.
• Exceptions shall be automatically generated for devices not delivering accurate meter data
post-installation. Exception criteria shall be configurable per device type and customer
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
Gas consumption history shall be maintained without interruption across meter
replacements; consumption continuity shall be preserved at the customer level even when
the underlying meter is replaced, with no data loss.
• A real-time dashboard shall display pending, in-progress, installed and decommissioned
device counts by GA, updating continuously.
3.5.5.6 Alarm, Event and Exception Management
• The AMI Platform shall support a configurable alarm framework covering: safety alarms
(tamper, cover open, pulse cable cut, reverse flow, pressure exceedance, power supply
failure); revenue alarms (zero consumption, consumption threshold breach, Daily Order
Quantity exceedance); network alarms (communication failure, signal quality degradation,
device offline, time synchronisation failure); and device health alarms (low battery, firmware
fault, metrological sensor failure, pulse coherence failure, volume under alarm, spare volume
• Tamper alarms shall reach the platform within one minute of the device event. All alarm
categories, priorities and threshold values shall be configurable by authorised GEL users
without vendor involvement.
• Multi-channel notifications — Email, SMS, WhatsApp and mobile application push — shall
be configurable per alarm category and per recipient role. Notification delivery confirmation
shall be logged for audit.
• Alarm acknowledgement, configurable escalation rules for unacknowledged alarms,
resolution tracking with notes and service order auto-generation from configured alarm types
shall be available. Service orders shall route to GEL's Workforce Management system
through standard APIs.
• Complete alarm history and trend data shall be retained for the full contractual period, with
trend reports available by alarm type, device, customer and GA.
3.5.5.7 Revenue Protection and Loss Analytics
• The AMI Platform shall analyse meter tamper flags, zero consumption patterns and
DRS/SLP-level material balance — comparing measured input against aggregate metered
output — to identify Non-Technical Loss. Material balance reconciliation shall run daily, with
anomalies flagged automatically.
• Pattern analysis shall compare each customer's consumption against their own historical
profile and against comparable customers in the same category and geography.
Configurable business rules shall drive alert generation and shall be adjustable by
authorised GEL users through a user interface that does not require programming skills; rule
changes shall be versioned with effective dates.
• Authorised field activity records shall suppress false-positive alerts during planned
maintenance and meter replacements. A field activity calendar maintained by authorised
GEL users shall drive alert suppression.
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• A case management workflow shall support suspect customer investigation with multi-user
collaboration, activity logging and evidence capture. Service orders for field investigation
shall be auto-generated and routed to the appropriate GA Team.
Investigation outcomes shall be logged back to the case, enabling trend analysis of revenue
protection effectiveness over time.
3.5.6 Cross-Cutting Capabilities
3.5.6.1 Reporting and Dashboards
• The AMI Platform shall provide a network-wide dashboard with heat map visualisation
showing device and customer status by GA and zone, GA-wise drill-down dashboards
configurable by role and a complete customer 360° view covering consumption history,
billing history, alarms, communication history and service requests.
• Standard reports shall cover at minimum: customer-wise consumption (daily, monthly,
historical, trend, minimum/maximum flow, flow analysis, parameter logs); alarm and event
reporting (alarm summary, detail, history, tamper events, communication failures, sensor
failures, critical alarms); billing and SAP integration reports (SAP upload report by 08:00 IST
daily, billing critical data, billing validation exceptions, customer billing consumption); AMI
system health reports (platform uptime, device connectivity, communication availability,
network health, device health status); and data quality reports (validation failures, false
readings, zero reading exceptions, missing data, wrong uploads, data integrity status).
• A custom report builder shall allow authorised GEL users to create, save, schedule and
share reports without programming skills. All standard and custom reports shall be
exportable in PDF, XLSX, CSV and XML formats. Report data shall be accessible through
• All reports required under PNGRB regulations — including metered sales volumes,
DRS/SLP throughput and NTL analysis — shall be generated by the platform.
• Scheduled reports shall be delivered via email to configured recipients. The daily SAP
upload report shall be generated and delivered automatically by 08:00 IST every day without
manual trigger.
3.5.6.2 Integration with GEL Enterprise Systems
• Integration with GEL's SAP Billing system is mandatory and is a hard prerequisite for GoLive
acceptance. Validated, VEE-processed billing determinants shall be delivered to SAP on
each customer's scheduled billing date across all three billing cycle types. Direct API and
scheduled file transfer modes shall both be supported.
• The AMI Platform shall integrate with GEL's SCADA system, Centralised Monitoring
Platform, CRM/CIS, GIS, Workforce Management system and any other GEL enterprise
system identified during the contractual period, through open REST APIs. No proprietary
interface that prevents GEL from independently connecting third-party systems is
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• The Bidder shall implement an API gateway layer managing concurrent connections to
enterprise systems with load management and automatic failover. The AMI Platform shall be
capable of integrating with any additional GEL system through its open API layer without
requiring platform architecture changes.
The Bidder shall implement data lineage tracking — maintaining a complete audit trail of
data sources, transformations and processing steps from field device through to enterprise
system delivery.
• Complete, up-to-date API documentation shall be provided to GEL and updated whenever
the platform API changes. Webhook-based, event-driven integration shall be supported for
real-time downstream consumption of meter data and alarm events.
3.5.6.3 Security and Compliance
• The AMI Platform and the complete AMI System shall comply with IEC 62443 and NCIIPC
guidelines for Critical Information Infrastructure throughout the contractual period. All data in
transit between field devices and the platform shall use TLS 1.2 or higher; all data at rest
shall use AES-256 encryption. A dedicated APN or equivalent secure network configuration
shall be implemented for all SIM cards.
• The Bidder shall implement Role-Based Access Control with granular permissions per
module and per data scope, Multi-Factor Authentication mandatory for all user access (web,
mobile and API), Active Directory integration with Single Sign-On using SAML 2.0 or OAuth
2.0/OpenID Connect and automatic disabling of accounts inactive beyond a configurable
• The Bidder shall conduct an independent penetration test of the complete AMI System —
platform, APIs, field device communication and all integrations — by a CERT-In empanelled
auditor before requesting Go-Live acceptance. All critical and high severity findings shall be
remediated and remediation evidence provided to GEL before Go-Live acceptance is
• Critical security patches shall be applied within 30 days and non-critical patches within
days of availability, with prior notification to GEL for each deployment. An annual
cybersecurity review shall be conducted during each O&M year, with the report submitted to
GEL within 30 days of the review date.
• Tamper-proof audit logs covering all user actions, device commands, data modifications,
configuration changes and integration events shall be maintained for a minimum of two
years. All cybersecurity obligations are within the contracted scope at no additional cost to
3.5.6.4 Data Responsibility — Lapses, Loss, and Theft
The Bidder is solely and unconditionally responsible for the integrity, availability, continuity, and
security of all metering data collected, processed, stored, and transmitted by the AMI System from
the date of commissioning of each device through the full contractual period. This responsibility
covers three distinct categories:
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• Any gap in metering data collection caused by AMI Platform downtime, communication
failure, software fault, incorrect configuration, or any cause attributable to the Bidder's scope
shall be the Bidder's responsibility to investigate, report, and remediate.
• For every data gap, the Bidder shall attempt recovery of missing data from the field device's
internal memory through the store-and-forward mechanism. Where full recovery is possible,
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
recovered data shall be ingested and processed through the normal VEE and billing
workflow, clearly flagged as backfilled.
• Where data cannot be recovered from device memory — for example where the device
buffer was overwritten before connection was restored — the Bidder shall document the
cause, the affected device, the affected time period, and the estimated data loss, and shall
submit this to GEL as part of the quarterly EMS report. The affected period shall be excluded
from billable days per the SLA framework in Section 12 and shall not be invoiced.
• Data lapses attributable to GEL-directed actions, customer-side obstruction, or force
majeure events shall be classified as non-Bidder-attributable per the NMS root-cause
categorisation framework and shall not attract penalties, provided the Bidder has
documented and submitted evidence of the cause to GEL within 5 working days of
identifying the gap.
• The Bidder is responsible for any metering data that is collected by the AMI System but
subsequently lost due to storage failure, software error, accidental deletion, incorrect
configuration change, failed migration, or any other cause within the Bidder's scope.
• Where data loss is identified, the Bidder shall notify GEL in writing within 24 hours of
detection, identifying the scope of loss — affected devices, affected time period, estimated
volume of records — and the probable cause.
• The Bidder shall restore lost data from the most recent backup within the Recovery Point
Objective defined in the AMI Platform architecture. Where data predates the most recent
backup and cannot be recovered, the Bidder shall document the irrecoverable loss in full and
submit a root-cause analysis to GEL within 5 working days.
• The Bidder shall not fabricate, estimate, or substitute metering data to fill a loss gap. Raw
data records that have been lost cannot be reconstructed; such gaps shall be reflected
accurately in the EMS and in all billing and SLA reporting.
• Irrecoverable data loss shall be treated as a Critical SLA breach under Section 12 and shall
attract the applicable penalties. GEL's right to withhold payment for periods where data was
permanently lost is unaffected by any force majeure or other contractual exclusion.
Data Theft and Unauthorised Access:
• The Bidder is responsible for preventing unauthorised access to all metering data within the
AMI System — whether at rest in the cloud database, in transit between field devices and
the platform, through APIs, or through any user interface.
• Where the Bidder identifies or has reasonable grounds to suspect unauthorised access, data
exfiltration, or a security breach affecting any component of the AMI System, the Bidder shall
notify GEL in writing within 4 hours of detection. This notification shall include the nature of
the incident, the data or systems affected, the probable attack vector, and the immediate
containment measures taken.
• Within 24 hours of detection, the Bidder shall notify CERT-In and any other regulatory
authority as required under applicable Indian law, and shall copy GEL on all such
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• The Bidder shall conduct a root-cause analysis of any confirmed breach and shall submit a
full incident report — including cause, extent of data accessed or exfiltrated, remediation
actions completed, and measures implemented to prevent recurrence — to GEL within
calendar days of the incident.
• The cost of all remediation, regulatory compliance, forensic investigation, notification
obligations, and any GEL reputational or commercial damage arising from a data breach
caused by a failure in the Bidder's systems, processes, or personnel shall be borne entirely
by the Bidder. GEL shall have no financial obligation in connection with any such breach.
• GEL reserves the right to commission an independent forensic investigation of any
suspected data breach at the Bidder's cost. The Bidder shall provide full access to all
systems, logs, and personnel required for such an investigation within the timeline specified
3.5.6.5 GEL Staff User Interfaces
• The Bidder shall deliver a responsive web portal accessible on desktop, tablet and mobile
devices supporting current versions of mainstream browsers and a native mobile application
for iOS and Android published and maintained on Apple App Store and Google Play Store
throughout the O&M Period.
• Both interfaces shall implement RBAC, Active Directory integration, SSO and MFA
consistent with the platform security framework. A GEL staff member's access rights on the
mobile application shall be identical to their web platform access rights.
• The mobile application shall support at minimum: network-wide and GA-level AMI status
dashboards with drill-down to device level; device status search and view; on-demand read
initiation from any device; alarm view, acknowledgement, assignment, update and closure
from the mobile interface; field technician task management and rescheduling with automatic
supervisor notification; survey data capture with GPS tagging and photograph upload;
installation confirmation workflow; exception logging from the field; and access to all
standard reports in mobile-optimised view with export and sharing capability.
• The mobile application shall support offline mode — read-only access to the last
synchronised data when connectivity is unavailable and offline capture of survey and
commissioning data with automatic synchronisation on connectivity restoration. Real-time
push notifications for all critical alarms shall be delivered to authorised mobile users.
• Both interfaces shall support English as minimum language options and shall be fully
operational on all days including public holidays.
3.5.6.6 Maintenance, Updates and Version Management
• All platform updates, patches, bug fixes and major version upgrades shall be delivered at no
additional cost to GEL throughout the contractual period. Critical security patches shall be
applied within 30 days and non-critical patches within 90 days of availability, with prior
notification to GEL.
• Major version upgrades affecting platform functionality or user interfaces shall require GEL's
written approval before deployment and shall be deployed in agreed maintenance windows.
Rollback capability shall be maintained for all updates; rollback procedures shall be
documented and tested before each major deployment.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• The Bidder shall implement remote diagnostic and troubleshooting capabilities for all
connected field devices, covering at minimum: remote reboot, remote diagnostic test,
communication diagnostics, configuration read-back and device event log retrieval.
• The Bidder shall proactively identify components approaching End-of-Life or End-of-Support
before service impact and plan migration accordingly. Migration of any component reaching
EOL during the contractual period shall be at no additional cost to GEL.
• A complete change log shall be maintained throughout the contractual period and handed
over to GEL at contract completion in accordance with Section
3.5.7 Layer 3 — Network Management System (NMS)
3.5.7.1 Communication Network Monitoring and SIM Management
• The NMS layer shall monitor the communication health of every Modem and MIU in real
time, tracking online/offline status, last successful communication timestamp and
consecutive failure count per device. A field network topology view showing real-time
connectivity status segmented by GA, zone and communication technology shall be
• Signal quality metrics — RSSI, SINR or equivalent and packet loss percentage — shall be
tracked and retained per device for the full contractual period. Configurable quality
thresholds shall trigger network performance alerts.
• SIM-level performance shall be monitored per device: active SIM identity, data usage per
billing cycle, per-SIM signal quality and automatic failover events between primary and
secondary SIM. Per-operator performance statistics shall be available to support GEL's SIM
operator selection decisions.
• Communication failures shall be classified by root cause — signal quality, SIM issue, device
hardware, network outage, planned maintenance, GEL-attributable, or TSP-attributable —
with this classification feeding directly into SLA exclusion determination as specified in
Section 12. Remote network device control — modem reboot, SIM switchover,
communication parameter push — shall be supported where the device permits.
• Network performance reports shall cover communication success rate per device, per zone
and per GA; signal quality distribution across the network; SIM failover frequency; and
TSPattributable outage time.
3.5.8 Layer 4 — Enterprise Management System (EMS)
3.5.8.1 SLA Monitoring and Compliance Reporting
• The Bidder shall supply, deploy and maintain an Enterprise Management System as an
integral part of the contracted AMI System scope at no additional cost to GEL. In this RFP,
EMS refers to the Enterprise Management System for SLA monitoring — it is not an Element
Management System or an Energy Management System.
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• The EMS is the authoritative and sole reference for all SLA performance measurement and
quarterly payment determination as specified in Section 12. All SLA events — device Go-
Live dates, uptime, communication outcomes, data collection completeness, billing data
delivery and incident resolution — shall be captured automatically without manual entry.
• The EMS shall calculate pro-rata billable days per device per quarter, generate quarterly
SLA compliance reports simultaneously available to GEL and the Bidder and compute
applicable penalty deductions automatically using the penalty framework in Section
• An immutable SLA event log shall prevent modification or deletion of any recorded event.
GEL shall have direct, independent, read-only access to all EMS data at all times through a
dedicated view that the Bidder cannot disable, restrict, or intercept.
• Real-time trending alerts shall notify the Bidder when any SLA metric is approaching a
breach threshold. The EMS shall be fully deployed and GEL access confirmed as a
mandatory condition of Go-Live acceptance.
3.5.9 Quality Assurance, Testing and Acceptance Criteria
This Section defines the quality assurance framework, testing responsibilities, test procedures,
acceptance criteria and documentation requirements that govern all phases of the AMI Project from
hardware procurement through to full project Go-Live acceptance. The requirements in this Section
apply in addition to and do not replace, the functional requirements for QA, FAT, SAT and UAT
specified in Section 4.21.
3.5.9.1 Quality Assurance Framework
• The Bidder has full and sole responsibility for the quality of all hardware, software,
installation workmanship, integration, data migration and platform configuration delivered
under this contract. GEL's inspection, witnessing, or approval activities at any stage do not
transfer or diminish this responsibility.
• The Bidder shall deploy a dedicated quality management function for the project. A named
Quality Manager shall be identified in the bid, shall be present at key inspection and
acceptance events and shall be the single point of accountability for all quality-related
correspondence with GEL.
• All testing activities shall be conducted in the same environment and architecture that will be
used for production. Testing conducted in a separate or simulated environment shall not be
accepted as evidence of compliance.
• The Bidder shall maintain a live test management system throughout the project, capable of
logging test cases, recording test results, tracking defect status and generating summary
reports accessible to GEL on request. The system may be the Bidder's own tool; GEL does
not intend to own or host the tool.
• The Bidder shall prepare and maintain as-built documentation — single-line drawings,
network topology diagrams, device installation records and configuration records — and
submit the complete as-built package to GEL as part of the Go-Live acceptance
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• Any delay in testing caused by factors within the Bidder's control shall render the Bidder
liable to milestone delay penalties per Section 12. Where a delay is caused by factors
outside the Bidder's control, the Bidder shall initiate formal written notice to GEL within
hours of the delay becoming apparent, with supporting evidence. Delay notices without
supporting documentation shall not be accepted.
3.5.9.2 Hardware Delivery Inspection
• Before any hardware is dispatched from the Bidder's facility or the manufacturer's facility, the
Bidder shall prepare a detailed shipment checklist for each lot, specifying item descriptions,
part numbers, quantities, serial numbers, firmware versions and certification references for
each unit. GEL may audit this checklist at any time.
• On delivery of each hardware lot to the Bidder's staging facility or directly to site, the Bidder
shall conduct a physical receipt inspection in the presence of GEL's designated
representative. The inspection shall cover:
o Physical count against the shipment checklist — any shortfall renders the shipment
o Physical condition check — each unit examined for transit damage, incomplete
assemblies, or missing accessories o Serial number and part number
verification against purchase documents
o Certification label verification — PESO/ATEX labels, IP rating markings and
manufacturer certification markings
• Any unit found to be physically damaged, non-compliant with RFP specifications, or missing
required certifications shall be rejected and returned to the Bidder's supplier at the Bidder's
cost. Rejected units shall be replaced and re-inspected before being accepted into the
project inventory.
• GEL reserves the right to request replacement of any hardware that is found, at any stage of
the project, to be non-compliant with the specifications in Section 5. Where the
noncompliance affects the SLA performance, the Bidder shall replace the hardware at no
cost to GEL and within the timeline specified in Section
• The Bidder shall maintain an inventory management log for all hardware received, installed,
held in spare inventory and decommissioned, updated in real time and accessible to GEL
throughout the contractual period.
3.5.9.3 Quality Assurance Plan
• The Bidder shall submit a Quality Assurance Plan to GEL within seven working days of
contract award. The QAP shall be submitted before any hardware procurement activity
begins. GEL's written approval of the QAP is a prerequisite for hardware procurement.
• The QAP shall cover at minimum:
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o Hardware procurement quality standards and supplier qualification criteria o
FAT procedures for all hardware types (Modems and MIUs)
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
SAT procedures for each location type (EVC Modem location and PD Meter MIU
AMI Platform testing procedures — system testing, integration testing, performance
testing and security testing o Parallel operations methodology and reconciliation
procedures o UAT procedures and acceptance criteria o Data quality check
procedures at each phase o EOL/EOS compliance verification procedures at time
o Defect classification criteria — critical, high, medium and low — with associated
resolution timelines
o Non-conformance management procedures
• Where GEL raises queries on the QAP during its review, the Bidder shall resolve all queries
to GEL's satisfaction within two working days of receiving the queries. No extension to
the installation schedule shall be granted for delays in QAP approval that are attributable to
• Where a system change, process change, or incident finding during the project requires the
QAP to be revised, the Bidder shall submit the revised QAP to GEL for approval within
working days of the triggering event.
3.5.9.4 Factory Acceptance Testing (FAT)
• FAT shall be conducted on all Modems and MIUs before dispatch to site. No unit shall be
dispatched without a GEL-accepted FAT pass record.
• FAT shall be conducted by a third-party inspection agency (TPIA) appointed and paid for
by the Bidder. The TPIA shall be an accredited inspection body. The engagement,
scheduling, conduct and payment of the TPIA are entirely the Bidder's responsibility.
• The Bidder shall notify GEL by email at least five working days before each FAT activity,
specifying the date, location, batch composition and TPIA contact. GEL reserves the right to
witness any or all FAT activities at any time, with or without advance notice. GEL witnessing
does not substitute for TPIA certification.
• The TPIA shall issue a FAT completion certificate for each hardware batch. GEL shall issue
technical clearance within seven working days of receiving all TPIA documents.
Hardware shall not be dispatched before GEL's technical clearance.
• FAT shall verify the following as a minimum for every unit in each batch:
Physical and Mechanical:
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o Physical condition and build quality — no damage, incomplete assembly, or
missing components o Enclosure IP rating — verified against IP54 minimum by test
or certification Compliance with MIL-STD-810G or the latest equivalent standard for
environmental durability
ATEX/PESO certification validity for the applicable hazardous area classification o
Dimensional and mounting compliance with specifications in Section
Communication and Protocol:
o Communication functionality on both SIM slots independently — data transmission,
signal quality (RSSI/SINR) and failover o Modbus RTU and Modbus TCP
protocol driver operation o All applicable EVC OEM proprietary protocol drivers
loaded and functional
o Dual-SIM failover — primary SIM disabled; automatic failover to secondary within
configured timeout; data transmission confirmed on secondary
Firmware and Software:
o Firmware version verified and confirmed not EOL/EOS
o OTA firmware update reception and confirmation — a test firmware package
delivered to the device and applied successfully o Secure boot confirmed —
device rejects unsigned firmware
o Pulse count accuracy against a calibrated reference — tolerance per QAP o
Pulse cable interface verified — shielding and connector integrity
• Units that fail FAT shall be reworked by the Bidder, retested and presented for re-inspection.
The TPIA shall issue a fresh certificate covering reworked units before they are dispatched.
Rework and re-inspection are entirely at the Bidder's cost and time.
3.5.9.5 Site Acceptance Testing (SAT)
• SAT shall be conducted at every field location after installation and before that location is
declared commissioned. SAT shall be conducted in the presence of GEL's designated GA
Team representative.
• The SAT checklist shall be reviewed and approved by GEL as part of the QAP approval. No
SAT may commence before GEL approves the checklist.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• SAT shall verify the following as a minimum for each location:
Physical Installation:
o Modem or MIU physical positioning, enclosure fixing quality, cable routing and
weatherproofing
o Shielded cable integrity between EVC and Modem, or pulse cable between PD meter
Safe-zone compliance — Modem/MIU enclosure confirmed outside the metering skid
at minimum 1.5 metres from the hazardous zone boundary
Earthing and surge protection installation
o Communication test on both SIM slots independently — data transmission confirmed
and RSSI and SINR logged for each SIM
o SIM failover test — primary SIM manually disabled; automatic failover to secondary
confirmed with data transmission continuing without operator intervention
o Communication protocol test — data read from EVC confirmed against a concurrent
manual reading for the same interval
o AMI Platform data receipt — data transmitted from the device is received and
correctly processed in the AMI Platform; confirmed by the Bidder's platform operator
o End-to-end data flow test — data for the device is confirmed as reaching the SAP
billing data export in the correct format o TLS encryption confirmed active on the
field-to-platform communication path
o OTA capability test — AMI Platform successfully pushes a test firmware package to
the device and the device confirms receipt
PD Meter Locations (additional):
o Simultaneous manual read of the mechanical index and the MIU-captured index at
the same instant, with agreement within the tolerance defined in the QAP o
Pulse count reconciliation over a test period
• The Bidder shall prepare a SAT completion record for each location, documenting all test
results, RSSI/SINR readings and any deviations. The SAT record shall be signed by both the
Bidder's representative and GEL's GA Team representative before the location is declared
commissioned. GEL's representative shall not be pressured to sign before all deficiencies
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• Locations where SAT identifies deficiencies shall be recorded in the Bidder's installation
tracker, reworked and retested. No zone shall be declared ready for parallel operations until
100% of locations in that zone have a signed SAT record.
3.5.10 AMI Platform Testing Framework
3.5.10.1.1 System Testing
• The Bidder shall conduct comprehensive system testing of the complete AMI Platform before
requesting UAT commencement. System testing covers all functional requirements in
Section 4, verified in the production environment.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• The Bidder shall prepare a system test plan and test case library covering every functional
requirement in Section 4. The plan shall be submitted to GEL for review before testing
begins. GEL may request the Bidder to share test cases and results at any time.
• System testing shall include:
o All HES functionality — device communication, on-demand reads, threshold
configuration, firmware OTA, time synchronisation as per RFP
o All MDMS functionality — data collection, VEE rule processing, billing determinant
calculation, data storage and retrieval as per RFP
o All NMS functionality — communication monitoring, SIM tracking, fault detection,
remote device operations as per RFP
o All EMS functionality — SLA event capture, billable days calculation, compliance
report generation, GEL independent access as per RFP o All alarm types and
notification delivery across all channels o All report types and dashboard
o All integration interfaces — SAP Billing, SCADA, CMP, CRM, GIS, Workforce
o Web application functionality on desktops and tablets
o Mobile application functionality across both iOS and Android on current device
• Defects identified during system testing shall be classified, tracked and resolved before the
Bidder requests UAT commencement. All critical and high severity defects shall be resolved
and verified before UAT begins.
3.5.10.1.2 Integration Testing
• The Bidder shall conduct integration testing for all enterprise system interfaces before
requesting UAT commencement, covering:
o SAP Billing end-to-end integration test — a full billing cycle run with simulated device
data, validated from AMI Platform through to SAP billing record creation o SCADA
integration test — data exchange verified in both directions where applicable o
CMP integration test — asset and mapping data exchange confirmed o All other
integrations configured for the project
• Integration testing shall be conducted with GEL's IT team and SAP team in attendance for
SAP Billing integration and CRM/CIS integration tests. The Bidder shall coordinate
scheduling with GEL's teams at least five working days in advance.
• The Bidder shall prepare an integration test report for each interface, documenting test
scenarios, data samples used, results and any issues identified. All integration defects shall
be resolved before UAT begins.
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3.5.10.1.3 Performance and Load Testing
• The Bidder shall conduct performance and load testing of the AMI Platform before
requesting UAT commencement. Performance testing shall be conducted in the same
architecture that is set up for production.
• Performance testing shall verify the following at minimum:
o Platform response under simultaneous load from 100 concurrent users
o Data collection throughput — platform handles scheduled collection from all
contracted devices simultaneously within the defined collection windows o
Dashboard and report response times meet the thresholds in Section
o SAP billing data export completes within the delivery window for all customer billing
dates simultaneously
o Real-time alarm processing — platform processes and notifies 1,000 simultaneous
alarm events without queueing delay beyond the SLA threshold
o Platform DR failover — full failover to DR site completed within the RTO of 4 hours;
data loss does not exceed the RPO of 1 hour
• The Bidder shall share performance test results with GEL. Where performance test results
do not meet Section 12.7 thresholds, the Bidder shall remediate and retest before UAT
3.5.10.1.4 Security Testing and VAPT
• The Bidder shall conduct security testing covering: application-layer security controls,
network layer security, data centre and cloud infrastructure security, security configuration
review of all components and mobile application security against OWASP Mobile Security
• An independent Vulnerability Assessment and Penetration Test (VAPT) of the complete
AMI System — AMI Platform, all APIs, field device communication, cloud infrastructure and
all integration interfaces — shall be conducted by a CERT-In empanelled security auditor
before Go-Live acceptance is requested. The cost of this VAPT is entirely the Bidder's
responsibility.
• The VAPT report shall be submitted to GEL. All critical and high severity findings shall be
remediated and remediation evidence provided to GEL before Go-Live acceptance is
granted. This is a mandatory Go-Live acceptance condition. Medium and low severity
findings shall have a documented remediation plan agreed with GEL within 30 days of the
• During the O&M Period, an annual cybersecurity review and VAPT shall be conducted by a
CERT-In empanelled auditor at the Bidder's cost. The review report and identified
remediation actions shall be submitted to GEL within 30 days of each review.
• Where a critical security finding is identified after Go-Live, the Bidder shall remediate it within
30 days of discovery and shall notify GEL immediately on discovery.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
3.5.10.2 User Acceptance Testing (UAT)
• UAT shall be conducted with GEL's designated UAT team — comprising GA Team
operators, billing team representatives, IT team and SAP team — before Go-Live
acceptance is requested.
• The Bidder shall submit a UAT test plan to GEL for written approval before testing begins.
The plan shall include:
o Test scripts for all operational scenarios relevant to each GEL role o Defect
classification criteria (critical, high, medium, low)
o Entry criteria for commencing UAT — all system, integration and performance testing
complete; all critical and high defects resolved
o Exit criteria for requesting Go-Live acceptance — all critical and high severity UAT
defects resolved; UAT completion report signed o Escalation and resolution
timelines per defect classification
• UAT shall cover the following at minimum:
o All functional requirements in Section 4 verified from the end-user perspective o All
configured integrations — SAP Billing end-to-end, SCADA, CMP, CRM o All
standard report types and the custom report builder
o All dashboard types — network-wide heat map, GA-level, customer 360° view,
administrative dashboard
o Full alarm and notification workflow — alarm generation, multi-channel notification,
acknowledgement, escalation and closure
o Mobile application on iOS and Android — dashboards, on-demand read, alarm
management, manual meter reading capture with photo and GPS, work order
management, offline capture and sync o Field hardware agnosticism
demonstration per RFP
o A live DR failover test — full failover to DR site, data verified intact, GEL access to
EMS confirmed from DR
o CERT-In VAPT remediation sign-off — Bidder confirms all critical and high findings
o EMS live audit — GEL confirms independent access to EMS data, SLA event
capture is active and a sample quarterly report is reviewed
• Changes to the AMI Platform identified as necessary during UAT shall not be treated as
Change Requests. The Bidder shall implement all changes required to achieve UAT exit
criteria within the contracted scope.
• The Bidder shall provide a UAT completion report signed by GEL's designated UAT team
lead. This report is a mandatory condition of Go-Live acceptance. Any UAT defect not
resolved and verified closed before signature shall be recorded in the UAT completion report
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as an open item — and such open items at critical or high severity shall block Go-Live
• Where GEL's UAT team identifies a defect not covered by the test scripts, the Bidder shall
classify, log and remediate it within the timelines for its severity level. GEL's defect
classification decision is final.
3.5.10.3 Go-Live Readiness and Acceptance
The Bidder shall obtain Go-Live acceptance from GEL before the AMI System enters the O&M
Period. The Bidder shall submit a formal Go-Live Readiness Report to GEL confirming completion
of all the following conditions:
# Condition Verification Method
1 100% of in-scope field locations have a signed SAT record SAT tracker extract
2 Parallel operations completed for all zones with GEL Reconciliation report sign-off
acceptance of reconciliation reports records
3 System, integration and performance testing complete; no Bidder test completion report
open critical or high defects
4 CERT-In VAPT complete; all critical and high findings VAPT report and remediation
remediated with evidence provided to GEL evidence
5 UAT complete and UAT completion report signed by GEL's Signed UAT completion report
6 SAP Billing integration live — billing data successfully SAP team confirmation
delivered for at least one full billing cycle
7 EMS deployed, active and GEL independent access confirmed GEL IT team confirmation
8 DR failover test passed DR test record with GEL
9 All SOPs developed, approved, accessible on AMI Platform Go-Live SOP Checklist
and training delivered per Section
10 As-built documentation complete and submitted Document submission record
11 NMS active and tracking all commissioned devices GEL NMS access
12 No open billing date impacts — all devices live in time for first EMS commissioned device
billing run count confirmed
GEL shall review the Go-Live Readiness Report and either issue the Go-Live acceptance certificate
or provide a written list of conditions not yet satisfied. The Bidder shall resolve all outstanding
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
conditions and resubmit. The Go-Live acceptance certificate shall be issued by GEL only when all
conditions are satisfied to GEL's written confirmation. The decision of GEL is final and binding.
3.5.10.4 Post-Go-Live Operational Testing
• During the 3-month SLA stabilisation period, the Bidder shall conduct daily data quality
checks and weekly performance reviews, with reports submitted to GEL. The SLA
stabilisation period is a testing and verification phase for the purpose of confirming sustained
SLA compliance — it is not a payment period.
• The Bidder shall conduct quarterly performance assessments during the O&M Period,
comparing actual SLA performance against targets, identifying any degradation trends and
presenting findings to GEL with remediation proposals where needed.
• Where any hardware type fails at a rate indicating a systematic quality issue — defined as
more than 5% failure rate of any single hardware type in any rolling 90-day period — the
Bidder shall conduct a root cause analysis, submit findings to GEL within 15 days and
propose a systematic remediation. GEL may require the Bidder to replace all units of the
affected type at no additional cost.
• The Bidder shall retain all SAT records, FAT certificates, test reports, VAPT findings and
UAT documentation for the full contractual period plus two years post-handover and shall
make these available to GEL on request.
3.5.11 Miscellaneous Activities for All Locations
3.5.11.1 General
The Bidder shall execute the miscellaneous activities described in this section across all EVC and
PD meter locations as applicable, based on the specific scope identified during the Phase 1 site
survey and detailed engineering. These activities support the core installation, commissioning and
operation of the AMI System and are part of the Bidder's contracted scope under the DBFOOT
model. The Bidder shall inform GEL at least seven (7) calendar days in advance before
commencing any work at any location and shall obtain written permission and work permits from
GEL. Work shall commence only after the Bidder receives the required approvals and shall be
carried out in accordance with GEL's health, safety and environmental guidelines and applicable
OISD standards. Pre-Installation Activities and Site Preparation
3.5.11.1.1.1 Permissions and Regulatory Compliance
• The Bidder shall obtain a work permit from GEL for each location for each day of work,
maintaining continuous authorisation throughout the installation period at that location.
• The Bidder shall submit detailed work plans and schedules for GEL's approval before
commencing work at each location and shall coordinate with GEL's GA Teams to minimise
disruption to ongoing operations.
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• The Bidder shall secure all regulatory clearances and permits required by local authorities,
including PESO clearances for work in or adjacent to hazardous classified areas.
• The Bidder shall obtain GEL's HSE Permit to Work (PTW) before commencing work, as per
GEL's prevailing PTW procedure.
• The Bidder shall coordinate with the respective GEL GA Team and department heads for
site access and scheduling.
3.5.11.1.1.2 Site Assessment and Documentation
• The Bidder shall study the existing EVC or PD meter configuration, communication port type
and field conditions at each location before commencing physical work.
• The Bidder shall conduct a signal strength assessment at each location to determine
antenna requirements and optimal placement for the selected communication technology.
• The Bidder shall record the data collection performance of GEL's existing AMI system at
each location, as the baseline for parallel operations reconciliation.
• The Bidder shall document any deviation from the survey findings or proposed installation
design and shall propose corrective measures for GEL's approval before proceeding.
3.5.11.1.1.3 Safety Implementation
• The Bidder shall deploy at least one qualified safety officer in each Geographical Area (GA)
while installation work is being carried out in that GA.
• The Bidder shall conduct a mandatory safety briefing with all personnel before commencing
work at each location.
• The Bidder shall perform a Job Safety Analysis (JSA) for all installation activities and obtain
GEL's approval before work begins.
• The Bidder shall provide and enforce the use of appropriate personal protective equipment
(PPE) suitable for the hazardous area classification at each work site.
• The Bidder shall carry out all work in line with GEL's health and safety guidelines and
applicable OISD standards.
3.5.11.1.2 Power Supply Design and Power Calculation
GEL does not prescribe whether field devices shall be mains-powered or battery-operated. The
Bidder is free to select the power arrangement for each device type based on site conditions,
provided the arrangement meets the device availability SLA in Section 12 and the battery backup
requirements in this RFP. However, the Bidder shall demonstrate the adequacy of its proposed
power design through formal power calculations.
• The Bidder shall submit a power calculation and power budget for each device type (EVC
Modem and MIU) to GEL as part of the Phase 2 deliverables, before hardware installation
• For battery-operated devices, the power calculation shall demonstrate that the proposed
battery capacity supports a minimum operating life of five (5) years under the stated data
transmission frequency (minimum once-daily push), accounting for communication retries,
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
signal conditions and ambient temperature variation across GEL's operating geography. The
calculation shall state the battery chemistry, rated capacity, expected current draw per
operating mode (sleep, active, transmit), duty cycle and the derived battery life.
• For mains-powered devices, the power calculation shall demonstrate the device's
continuous power consumption, the rating of the proposed power supply module and the
sizing of the battery backup that maintains continuous device operation for a minimum of
hours (3 days) during a mains supply failure. The calculation shall state the backup battery
capacity, current draw during mains failure and the derived backup autonomy.
• The Bidder shall update the power calculation if the device configuration, transmission
frequency, or communication technology changes during the project.
• GEL reserves the right to review the power calculation and require revision where the
calculation does not adequately support the device availability SLA or the battery life and
backup requirements.
3.5.11.1.2.1.1 Installation Activities
3.5.11.1.2.1.1.1 Modem Installation at EVC Locations
• The Bidder shall install one new dual-SIM Modem per EVC, interfaced to the EVC
communication port via RS-232 or RS-485 using shielded cable, as detailed in Sections
• The Bidder shall install the Modem within a weatherproof enclosure positioned in the safe
zone, at a minimum distance of 5 feet (1.5 metres) from the boundary of the hazardous area
at the metering skid, wall-mounted or pole-mounted as dictated by site conditions. Where
pole mounting is required, pole supply, installation, civil foundation work and all ancillary
mounting hardware are within the Bidder's scope. The Bidder shall install the antenna at the
optimal position determined during the signal survey, with appropriate mounting hardware
and cable routing. MIU Installation at PD Meter Locations
• The Bidder shall install one MIU per PD meter, snap-fit directly to the meter index where
supported, or connected via supplied pulse cable and housed in a weatherproof junction box
where snap-fit is not feasible, as detailed in Sections 3.3.2 and 5.4.2.
• Where the MIU is housed in a junction box, the box shall be wall-mounted, pole-mounted, or
pipe-mounted based on site conditions, with all mounting hardware and ancillaries supplied
and installed by the Bidder.
• The Bidder shall configure the MIU pulse constant to match the PD meter's rated pulse
output and shall verify index parity against the mechanical index at commissioning.
3.5.11.1.2.1.1.2 Enclosures and Ancillaries
• The Bidder shall supply and install all weatherproof enclosures, junction boxes, cable
glands, mounting plates, DIN rails, terminal blocks, breathers, hinged lockable doors,
anticondensation provisions where required and anti-tamper seals needed for a complete
and weatherproof installation at each location.nAll enclosures shall meet minimum IP54
ingress protection and shall comply with MIL-STD-810G or the latest equivalent
standard.nCablingn
• The Bidder shall supply and install shielded communication cable between the EVC and the
Modem. Cable routing and fixing shall protect against mechanical damage and
environmental exposure. Cable shielding shall be earthed at one end only.
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• The Bidder shall supply and install pulse interface cabling between the PD meter pulse
output and the MIU where snap-fit mounting is not used.
• Cable sizing and routing design are the Bidder's engineering responsibility and shall be
appropriate for the site conditions and the device's communication and power requirements.
3.5.11.1.2.1.2 EVC and PD Meter Data Management and Communication
3.5.11.1.2.1.2.1 Register Mapping and Documentation
• The Bidder shall provide complete Modbus (or applicable protocol) register mapping for all
parameters of every EVC make and model in GEL's network.
• The Bidder shall deliver comprehensive documentation detailing register addresses, data
types, scaling factors and parameter descriptions for each EVC make and model, at no
additional cost to GEL.
• The register mapping shall cover all leading EVC makes and models currently deployed
across GEL's network, as listed in Annexure A.
3.5.11.1.2.1.2.2 Communication Modes
• The modem and MIU listening mode should be configurable as per GEL requirements but at
minimum of every hour to check for any pull requests from the AMI platform
• The Bidder shall implement real-time scheduled communication for routine monitoring and
daily, hourly and event-based data collection.
• The Bidder shall implement on-demand (pull) data retrieval, enabling authorised GEL users
to retrieve specific data ranges, parameter sets, or historical records from any device
through the AMI Platform interface, mobile application, or API.
• The Bidder shall implement push (unsolicited) data reporting for critical events and alarms,
with the tamper alert latency as per SLA.
3.5.11.1.2.1.2.3 Data Backfilling
• The Bidder shall implement automatic data backfilling to recover historical measurement
data following power outages, communication failures, or maintenance activities.
• The Bidder shall implement automatic gap detection in central historical records and shall
initiate backfilling from the EVC or MIU internal memory.
• The Bidder shall implement priority-based recovery, prioritising critical measurement data —
accumulated volumes, flow rates, pressure and temperature readings and alarm events.
• The Bidder shall implement store-and-forward functionality using device internal memory to
buffer data during communication outages and transmit it on restoration, with no data loss.
• The Bidder shall implement conflict resolution for overlapping data periods, duplicate records
and timestamp synchronisation during backfilling.
3.11.5.4 Communication Reliability
• The Bidder shall implement configurable retry mechanisms, timeout settings and error
handling for reliable data transmission under varying network conditions.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• The Bidder shall maintain comprehensive logging and audit trails for all data operations —
scheduled polls, on-demand requests, backfilling activities and communication errors.
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RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
The Bidder shall implement data validation and quality checks at ingestion, with status
indicators for data quality and communication reliability.
3.5.11.1.2.1.3 Communication Network and Protocol Integration
• The Bidder shall supply and configure all protocol drivers and conversion required to
integrate every EVC make and model in GEL's network into the AMI Platform, regardless of
manufacturer or communication protocol.
• The Bidder shall support multiple communication protocols including Modbus RTU, Modbus
TCP, DLMS/COSEM, MQTT and proprietary EVC OEM protocols as required.
• The Bidder shall ensure driver compatibility across all communication interfaces present in
GEL's network, including RS-232, RS-485 and where applicable Ethernet connections.
• The Bidder shall develop drivers for any EVC OEM not natively supported by the AMI
• The Bidder shall maintain backward compatibility with older EVC models and their
communication protocols throughout the contractual period.
3.5.11.1.2.1.4 Safety and Protection Systems
3.5.11.1.2.1.4.1 Intrinsic Safety
• The Bidder shall ensure all hardware installed in or adjacent to hazardous classified areas
carries valid PESO certification appropriate for the area classification.
• The Bidder shall implement appropriate separation and isolation between safe-area and
hazardous-area circuits where applicable.
• The Bidder shall ensure all hazardous-area installations comply with applicable safety
standards and obtain the required certifications.
3.5.11.1.2.1.4.2 Surge and Lightning Protection
• The Bidder shall provide surge and lightning protection for communication lines and power
supply circuits as required to maintain the device availability SLA. Surge protection design is
the Bidder's engineering responsibility, sized to suit the site conditions.
3.5.11.1.2.1.4.3 Earthing and Grounding
• The Bidder shall carry out all earthing and grounding in accordance with PNGRB guidelines
and the prevailing best practices of the CGD industry. GEL does not prescribe specific
resistance values. Earthing design is the Bidder's engineering responsibility, taking into
account the applicable OISD standards and OEM recommendations.
3.5.11.1.2.1.5 Material Delivery and Warehouse Accountability
The Bidder shall ensure complete accountability for material procurement, storage and delivery to
installation sites through the following:
Warehouse Storage: The Bidder shall procure and store all project hardware at its own
warehouses or facilities, zoned by GA or region, with appropriate environmental controls,
security and inventory management systems.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• Just-in-Time Delivery: The Bidder shall deliver materials from its warehouses to installation
sites as required for the implementation schedule, coordinated with the zone-wise rollout
plan, without affecting project timelines.
• Storage Management: The Bidder's warehouse facilities shall maintain appropriate
environmental conditions for all equipment types, adequate security and access controls,
proper handling and storage procedures per manufacturer specifications and insurance
coverage for stored materials against theft, damage and natural calamities.
• Reconciliation: The Bidder shall maintain complete reconciliation records — purchase
order quantities versus received quantities at the warehouse, real-time warehouse inventory
status, site delivery confirmations with timestamps, material condition reports on delivery and
immediate notification to GEL of any discrepancy.
• Timeline Accountability: The Bidder shall be fully responsible for material availability and
shall not allow any delay in implementation on account of material non-availability. Delays
attributable to material non-availability shall attract penalties as per Section
• Contractual Accountability: The Bidder shall be contractually liable for any missing,
damaged, or undelivered material from procurement through to final installation and
commissioning at each site.
3.5.11.1.2.1.6 Commissioning Activities
• The Bidder shall configure each device for data collection at the three required frequencies
— daily, hourly and event-based push — and shall verify on-demand pull capability at
• The Bidder shall configure store-and-forward, retry and backfilling functionality at each
device during commissioning.
• The Bidder shall register and commission each device in the AMI Platform, verify successful
data transmission on both SIM slots and confirm that the AMI Platform correctly receives and
processes data from the device.
• The Bidder shall configure data validation and quality checks for each commissioned device.
• The Bidder shall complete the SAT for each location, with a signed SAT record obtained
before the location is declared commissioned.
3.5.11.1.2.1.7 Testing Activities
• The Bidder shall submit comprehensive testing procedures covering all hardware and
software components for GEL's review and approval before testing begins, as part of the
QAP (Section 4.12.1).
• The Bidder shall perform cable integrity and connection verification testing for every installed
device — signal continuity, connection integrity and communication interface functionality.
The Bidder shall test communication on both SIM slots independently, including automatic
failover and shall record signal strength readings at commissioning.
• The Bidder shall test the end-to-end data flow from each device through the AMI Platform to
the SAP billing data export, as part of the zone-level SAT.
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RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• The Bidder shall document all testing results with comprehensive analysis and corrective
actions and shall include them in the SAT documentation for each location.
3.5.11.1.2.1.8 Protocol and Software Version Management
• The Bidder shall supply and implement all communication protocols, software components
and system applications using the latest commercially available versions at the time of
deployment. No component shall be at or beyond its End-of-Life (EOL) or End-of-Support
(EOS) date at the time of deployment.
• The Bidder shall provide all version updates and upgrades — major platform upgrades,
minor updates, security patches, firmware updates and protocol stack updates — at no
additional cost to GEL throughout the contractual period.
• The Bidder shall implement critical security patches within the timelines specified in Section
4.9.3 and Section 12.10.
• The Bidder shall maintain rollback capability for all updates, with immediate restoration
procedures if an update causes a problem.
• The Bidder shall obtain GEL's approval before applying any major version change that may
impact system functionality or user interfaces and shall provide complete documentation for
all version changes including impact analysis.
• The Bidder shall conduct comprehensive testing of all updates in a controlled environment
before production deployment and shall coordinate version updates during agreed
maintenance windows to minimise operational impact.
• Where any component reaches EOL or EOS during the contractual period, the Bidder shall
upgrade or migrate to an equivalent or higher-specification supported version at no
additional cost to GEL, with GEL's advance notification and approval.
3.5.11.1.2.1.9 SIM Card Procurement and Lifecycle Management
• The Bidder shall procure, supply and manage all SIM cards required for the project across
all device types.
• All SIM cards procured must be M2M sims
• For all dual-SIM installations, the Bidder shall procure SIM cards from two different service
providers, where operationally feasible, to enable communication redundancy and network
• All SIM cards shall be issued and registered in the name of Bidder, with appropriate
corporate/industrial service plans. Bidder shall determine SIM operator selection to meet the
SLA requirements.
The Bidder shall be solely responsible for managing all SIM-related matters — service
requests, technical support, billing queries and operator coordination — throughout the
contractual period.
• All SIM cards shall support the communication technology selected by the Bidder for the site,
with appropriate APN configuration and shall be registered for industrial/IoT applications.
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
• The Bidder shall ensure continuous connectivity, monitor data usage, manage SIM security
and provide communication diagnostics for all SIMs at no additional charge to GEL.
• The Bidder shall replace any non-performing SIM card promptly at no cost to GEL, including
all coordination with the service provider, within the timelines specified in Section
3.5.11.1.2.1.10 Quality Assurance and Site Management
• The Bidder shall implement quality control throughout all installation, commissioning and
testing activities in accordance with the QAP, FAT and SAT procedures in Section 4.12.
• All activities at field locations shall be carried out in the presence of GEL's designated GA
Team representative, following approved procedures, with complete documentation of all
results, observations and corrective actions.
• The Bidder shall maintain work area cleanliness and shall restore each site to its
preinstallation condition on completion of works.
• The Bidder shall ensure proper disposal of any removed packaging, waste, or materials in
accordance with environmental requirements.
• The Bidder shall provide complete documentation for each location — installation details,
configuration parameters, commissioning test results and SAT records — for ongoing
maintenance and system operation.
File No: GGL-IT & ERP-2026-6-181812
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
4 AMI Platform Functional Requirements
4.1 Guiding Principle
• The requirements in this Section define the functional outcomes GEL requires from the AMI
Platform. The Bidder may deliver these requirements through a unified combined platform or
through separate integrated software components — the architecture is at the Bidder's
discretion. What is mandatory is that every requirement in this Section is fully met,
demonstrated during the Field Trial/POC and sustained throughout the contractual period.
• References to "HES functionality" and "MDMS functionality" in this Section identify the
functional domain of each requirement. They do not mandate a specific product or
• All requirements in this Section are mandatory. No deviations are permitted. Any bid that
proposes alternatives to, or exclusions from, the requirements listed here shall be
considered non-responsive.
4.1.1 FRS/SRS Development
The functional requirements set out in this Section are indicative and representative of GEL's
minimum expectations — they are not exhaustive. The requirements describe what GEL
requires the AMI System to do, but they do not represent the complete or final set of functional and
system requirements for the project. The Bidder shall treat these requirements as the baseline and
shall deliver the full functional capability needed to operate a complete, billing-grade AMI System,
whether or not every individual function is explicitly listed in this Section.
• Following contract award, the Bidder shall prepare a detailed Functional Requirements
Specification (FRS) and System Requirements Specification (SRS) in consultation with GEL,
covering the complete functional scope of the AMI System, all interface and integration
requirements, data models, workflows, user roles, reports and system behaviour.
• The FRS and SRS shall expand on the indicative requirements in this Section and shall
capture all additional functional and system requirements identified during the detailed
design phase, including any requirements raised by GEL's GA Teams, billing team, IT team
• The FRS and SRS shall be submitted to GEL for review and written approval during the
Phase 2 (AMI Platform Deployment) stage, before the AMI Platform configuration is
finalised. GEL's approval of the FRS and SRS is a prerequisite for proceeding to platform
configuration and integration.
• The GEL-approved FRS and SRS shall form the binding functional baseline against which
the AMI System is configured, tested (UAT) and accepted at Go-Live. Any function
described in this Section, or reasonably implied by it, or subsequently agreed in the
approved FRS/SRS, shall be delivered by the Bidder at no additional cost.
• Where a requirement is identified during FRS/SRS development that is a reasonable and
necessary part of a complete AMI System but was not explicitly listed in this RFP, the Bidder
shall include it in the FRS/SRS and deliver it within the contracted scope. The Bidder shall
RFP for Selection of Implementation Agency for establishing AMI for Gujarat Energy Limited
not treat the absence of an explicit listing in this Section as grounds for exclusion or
additional charge.
File No: GGL-IT & ERP-2026-6-181812
4.2 AMI Platform System Architecture and General
Module Feature Requirement
4.2.1 Cloud Hosting MeITY Empanelment The AMI Platform shall be deployed on a MeITY-empanelled private cloud with all data centres
within India. The Cloud Service Provider shall maintain active MeITY empanelment for the full
contractual period including any extensions; loss of empanelment shall require immediate
migration to a compliant provider at the Bidder's cost without service disruption to GEL.
4.2.1 Cloud Hosting On-Premise Restriction On-premise or hybrid on-premise deployment is not acceptable. The AMI Platform shall be fully
4.2.2 High Availability Primary and DR Sites The AMI Platform shall operate from a primary cloud data centre and a geographically separate
and DR Disaster Recovery site physically and administratively distinct from the primary region.
4.2.2 High Availability RTO and RPO Automatic failover to the DR site shall be configured and tested. Recovery Time Objective shall
and DR be four hours or less. Recovery Point Objective shall be one hour or less.
4.2.2 High Availability DR Drills The Bidder shall conduct quarterly DR drills with documented results submitted to GEL within
and DR working days of each drill.
4.2.2 High Availability DR Failover A live DR failover test shall be conducted as part of UAT before Go-Live acceptance is
and DR Demonstration requested; successful completion is a mandatory UAT exit criterion.
4.2.3 Scalability Metering Point Scale The AMI Platform shall support the contracted metering scope and shall be scalable to a
minimum of 7,000 metering points without architectural change, performance degradation, or
additional per-node licence cost beyond the contracted rate.
4.2.3 Scalability Concurrent Users The platform shall support a minimum of 100 concurrent GEL users, scalable to 150 concurrent
users without architectural change or additional per-user licence cost.
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