SECI Concludes 125 MW/500 MWh Standalone BESS Auction In Odisha

The Solar Energy Corporation of India (SECI) has successfully concluded an auction for 125 MW/500 MWh of standalone Battery Energy Storage Systems (BESS) in Odisha. This development is another important step in strengthening India’s renewable energy ecosystem and ensuring a reliable supply of clean power. The discovered tariffs ranged from ₹3.04 per kW per month to ₹3.75 per kW per month.

Coal India Limited emerged as a major winner in the auction. The company secured Cluster I, comprising two projects of 20 MW/80 MWh each, with a total capacity of 40 MW/160 MWh at a tariff of ₹3.04 per kW per month. It also won Cluster II, which includes two more projects of 20 MW/80 MWh each, totaling 40 MW/160 MWh, at ₹3.05 per kW per month. Onward Solar Power won the remaining 45 MW/180 MWh capacity at a tariff of ₹3.75 per kW per month.

The tender was issued in December 2025 and is supported through Viability Gap Funding under the Power System Development Fund. The projects are designed to provide on-demand energy storage support to GRIDCO Limited. Installations will be set up at six substations: Padampur, New Bolangir, Bhatli, Basta, Narendrapur, and Tentuli Khunti, to improve grid stability during peak and off-peak hours.