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 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.
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