The Central Electricity Regulatory Commission (CERC) has approved a detailed procedure for reallocating terminal bay capacity at Inter-State Transmission System (ISTS) substations that becomes vacant due to withdrawal, relinquishment or revocation of connectivity, or due to rearrangement under the Connectivity and General Network Access (GNA) Regulations. The procedure, prepared by the Central Transmission Utility (CTU)…
The Central Electricity Authority (CEA) has issued standardised implementation timelines for Inter-State Transmission System (ISTS) projects to improve predictability and coordination in transmission system development. The timelines were approved during the latest meeting of the National Committee on Transmission (NCT). According to the CEA, the framework is intended to support better planning and synchronisation of…
Power Grid Corporation of India Limited (POWERGRID) has approved an expanded consolidation of its subsidiaries, with 28 wholly owned subsidiaries to be merged into two existing wholly owned entities. The decision was taken at a board meeting on March 19, 2026, replacing an earlier, smaller proposal. The consolidation programme began in December 2025, when the…
Calcutta Electric Supply Corporation (CESC) has announced the results of its tender for 600 MW of interstate transmission system (ISTS) connected wind-solar hybrid power projects. The capacity has been awarded to four bidders at tariffs ranging from Rs 3.74 to Rs 3.75 per kWh. According to the tender results, Vismaya Renewables India Project secured 100…
The Central Electricity Regulatory Commission has issued a series of orders covering new ISTS licences and one proposed licence, marking steady progress on transmission projects in the North East, Rajasthan and Gujarat. The decisions span tariff based competitive bidding and the Regulated Tariff Mechanism and involve coordination with CTUIL, CEA and multiple project developers. CERC…
The Central Electricity Regulatory Commission (CERC) issued the Connectivity and General Network Access (GNA) to the inter-State Transmission System (ISTS) (Third Amendment) Regulations, 2025 on 31 August 2025. The amendments revise multiple provisions related to renewable energy generating stations (REGS), hybrid projects, and energy storage systems (ESS). New definitions and classificationsThe amendment introduces several new…
The power ministry has relaxed siting norms for load-serving substations under interstate transmission system (ISTS) schemes built through the tariff-based competitive bidding (TBCB) route. The revised norms apply to new substations—such as switching stations or HVDC terminals—developed by transmission service providers (TSPs). The change follows industry representations and is now reflected in the amended standard…
Hindustan Powerprojects Private Limited (HPPPL) has secured a Letter of Award (LoA) from Uttar Pradesh Power Corporation Limited (UPPCL) for a 300 MW/425 MWp solar project. The installation will be Inter-State Transmission System (ISTS)-connected and located in Madhya Pradesh. The project is part of UPPCL’s plan to develop 2,000 MW of ISTS-connected solar capacity across…
Five firms have won bids for setting up 2,000 MW Inter-State Transmission System (ISTS) connected solar power projects and 1,000 MW energy storage systems (ESS) under Tranche-XVII of the Solar Energy Corporation of India (SECI), announced on December 9, 2024. The successful bidders and their respective capacities are as follows: Sembcorp Green Infra Private Limited…
The Central Electricity Regulatory Commission (CERC) has approved the annual transmission tariff of Rs 2.91 billion for Sirohi Transmission Ltd, a wholly-owned subsidiary of Power Grid Corporation of India Ltd (PGCIL), for its ISTS scheme. This project, named “Transmission system for evacuation of power from Rajasthan REZ Phase IV (Part 2: 5.5 GW) (Jaisalmer/Barmer Complex)…