Assam Electricity Grid Corporation

What Assam Electricity Grid Corporation does

Assam Electricity Grid Corporation Limited (AEGCL) is a State Public Sector Company and the notified State Transmission Utility (STU) for Assam, India, incorporated in 2003 following the restructuring of the Assam State Electricity Board (ASEB). The company operates the Extra High Voltage (EHV) intra-state transmission network, comprising 83 substations and 5,388.794 circuit kilometres of transmission lines operating at 400KV, 220KV, and 132KV voltage levels, with a total transformation capacity of 10,311.5 MVA. It serves as the exclusive bulk power transmission intermediary between generators (primarily APGCL) and distribution licensees (primarily APDCL), maintaining a system availability above 98.7%.

The technology stack spans both physical and digital infrastructure: Gas Insulated Substations (GIS) at Jawaharnagar, Sonapur, and Kamakhya; IEC 61850-based Substation Automation Systems; a 1,373 km OPGW optical fibre communication backbone; Emergency Restoration System towers; an Enterprise Resource Planning application; and a State Load Despatch Center (SLDC) for grid monitoring and control. AEGCL holds ISO/IEC 27001:2013 certification for information security management.

The business model is a regulated monopoly. Transmission tariffs and the Aggregate Revenue Requirement are set through petitions and orders issued by the Assam Electricity Regulatory Commission (AERC); tariffs were unchanged for FY 2026-27. Growth is funded substantially through multilateral lenders — the Asian Infrastructure Investment Bank (AIIB, Phase I and II), the Asian Development Bank (ADB, Tranche 1 and 2), and the World Bank (NERPSIP) — alongside domestic schemes (PSDF, TDF, NEC/NLCPR). Capital projects are executed via competitive tenders to EPC contractors. AEGCL is the largest STU in India's North East region, with ownership and governance entirely resting with the Government of Assam.

Name

Assam Electricity Grid Corporation

Legal name

Assam Electricity Grid Corporation Limited

Website

https://aegcl.co.in

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

101–250 employees

Short description

AEGCL is the State Transmission Utility of Assam, operating the exclusive intra-state EHV grid (83 substations, 5,389 CKM of lines, 10,312 MVA capacity) to transmit bulk power from generators like APGCL to distribution companies like APDCL under AERC-regulated tariffs.

Ownership category

akta.pro rank

Product category

Electric Power Transmission Services

NAICS

Electric Power Transmission, Control, and Distribution (22112), Electric Bulk Power Transmission and Control (221121)

SIC

Electric Services (4911)

akta.pro primary industry

Substation Systems & Integration (EPC, Engineering, Protection, Commissioning) (IMAGAAAC)

akta.pro secondary industry

Transmission line EPC & construction (overhead) (EUADAKAA)

Keywords

• Power transmission services
• EHV substations
• Grid infrastructure
• State transmission utility
• Transmission line construction

Headquarters

HQ city

Guwahati

HQ country

India

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Technology or R&D, Supply Chain

Distribution channels1 record

Marketing channels1 record

Core offering

Assam Electricity Grid Corporation Limited (AEGCL) operates as the State Transmission Utility (STU) for Assam, providing bulk power transmission services from electrical power generation sources to distribution company networks. The company's core offering is electricity transmission infrastructure comprising 83 EHV substations operating at 400KV, 220KV, and 132KV levels with 10,311.5 MVA transformation capacity, and 5,388.794 circuit kilometres of transmission lines across Assam. AEGCL also provides grid management services through its State Load Despatch Center (SLDC) and operates under tariff regulation by the Assam Electricity Regulatory Commission (AERC).

Product overview

Assam Electricity Grid Corporation Limited (AEGCL) operates as a State Public Sector Company registered under the Companies Act, 1956, functioning as the State Transmission Utility (STU) for Assam since its formation in 2003. The company's core product is electricity transmission infrastructure comprising EHV substations (83 stations at 400KV, 220KV, and 132KV levels with 10,311.5 MVA transformation capacity) and transmission lines spanning 5,388.794 circuit kilometers. Supporting infrastructure includes Substation Automation Systems (SAS) based on IEC 61850 protocol, Optical Fiber Communication networks (OPGW), and Enterprise Resource Planning (ERP) systems. The company maintains 98.725% system availability and provides grid management through its State Load Despatch Center (SLDC).

Differentiator

Problem solved

Functional benefit

Products and services

• Power Transmission Services Core electricity transmission services transporting electrical power from bulk generation points to distribution company networks across Assam, operating as the State Transmission Utility (STU).
• EHV Substations Extra High Voltage substations including 400KV, 220KV, and 132KV stations with transformation capacities, including both AIS (Air Insulated Substations) and GIS (Gas Insulated Substations) technologies. As of 01/05/2026, 83 EHV substations are operational with 10,311.5 MVA transformation capacity.
• Transmission Lines Overhead transmission lines spanning 5,388.794 circuit kilometres as of 01/05/2026, operating at 400KV, 220KV, and 132KV voltage levels for bulk power transmission across Assam.
• Gas Insulated Substations (GIS) Modern GIS substations including 220/33 KV, 2x100 MVA installation at Jawaharnagar (Khanapara), Sonapur (220/132 KV), and Kamakhya (132/33 KV) locations, offering compact footprint compared to conventional AIS substations.
• State Load Despatch Center (SLDC) Services Grid monitoring and control operations for the Assam state power grid through the State Load Despatch Center, including first-time energisation and integration procedures as well as Deviation Settlement Mechanism.

Quantifiable outcome

• System Availability maintained at 98.725% (99%+ historically)
• +1 more outcomes

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Lumino Industries LimitedminorOthersLumino Industries Limited emerged as the lowest bidder (L1) for a ₹176.14 crore power infrastructure project involving construction of 220/132KV AIS substation at Morigaon, Assam with associated transmission lines. The tender was issued by AEGCL under its Externally Funded Projects division.
• Assam Power Distribution Company Limited (APDCL)coreOthersAPDCL is the primary distribution company in Assam that receives transmitted power from AEGCL's transmission network for end-user distribution.
• Assam Power Generation Corporation Limited (APGCL)coreOthersAPGCL is the power generation company in Assam whose generated power is transmitted through AEGCL's network.
• Assam Electricity Regulatory Commission (AERC)coreOthersAERC is the regulatory body that determines transmission tariffs and regulatory framework for AEGCL's operations.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Sterlite Power Transmission Limited: Private sector transmission infrastructure developer and operator in India. Comparable in building and operating EHV transmission assets and substations, but as a private commercial player rather than state utility.

Direct peers

• Rajasthan Rajya Vidyut Prasaran Nigam (RVPN): STU for Rajasthan operating EHV substations and lines under RERC. Same state-utility transmission business model as AEGCL.
• Uttar Pradesh Power Transmission Corporation (UPPTCL): STU for Uttar Pradesh operating one of the largest state transmission networks in India under UPERC. Direct peer in mandate and operating model.
• Gujarat Energy Transmission Corporation (GETCO): STU for Gujarat managing EHV transmission infrastructure under GERC. Directly comparable in mandate, regulatory framework, and product offering to AEGCL.
• Delhi Transco Limited (DTL): STU for Delhi operating intra-state transmission under DERC. Comparable EHV transmission infrastructure and regulated utility operations.
• Maharashtra State Electricity Transmission Company (MSETCL): State Transmission Utility for Maharashtra operating EHV substations and transmission lines under MERC regulation. Closest functional peer to AEGCL at a larger scale, with the same STU mandate and customer base of state Discoms.
• Tamil Nadu Transmission Corporation (TANTRANSCO): STU for Tamil Nadu managing intra-state EHV transmission under TNERC. Functionally identical to AEGCL in terms of operations, regulatory tariff structure, and customer base.
• Karnataka Power Transmission Corporation (KPTCL): STU for Karnataka operating EHV substations and lines under KERC. Same business model, regulatory structure, and Discom-customer setup as AEGCL.

Broad incumbents

• PowerGrid Corporation of India (PGCIL): India's central transmission utility operating the inter-state EHV network. Directly comparable business model (EHV transmission, substations, regulated RoE) and serves as the national counterpart to AEGCL's state-level operations.
• Adani Energy Solutions (Transmission): Operates a significant portfolio of private intra-state and inter-state transmission assets across India under regulated tariff framework. Comparable asset class and business model, though diversified across generation, transmission, and distribution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/aegclofficial
• Facebookfacebook.com/aegcl
• LinkedInlinkedin.com/company/aegcl

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles17 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Assam Electricity Grid Corporation