The Central Electricity Regulatory Commission (CERC) has released the Draft Terms and Conditions of Tariff (Second Amendment), 2025 , marking a significant evolution in India’s transmission tariff framework. Building on the 2019 regulations and the 2023 first amendment, the new draft introduces provisions that mainstream energy storage systems (ESS) into tariff determination, particularly when linked to thermal Inter-State Transmission Systems (ISTS). Earlier regulations had

CERC’s staff paper proposes converting, substituting, or auctioning idle LOA‑based grid connectivity to ensure efficient transmission use. These reforms aim to accelerate India’s 500 GW green energy integration and support the net‑zero pathway by enforcing discipline, transparency, and locational efficiency. The Central Electricity Regulatory Commission (CERC) staff paper (SP‑251125) addresses a critical bottleneck in India’s Renewable Energy (RE) integration: connectivity gr