Sunsure Energy and Enerica Infra 3 won NTPC Vidyut Vyapar Nigam’s (NVVN) auction to set up interstate transmission system-connected 250 MW/1,000 MWh standalone battery energy storage systems (BESS) under the build-own-operate model. Sunsure won 125 MW/500 MWh at a tariff of ₹6.64 (~$0.0768)/kWh. Enerica also won 125 MW/500 MWh at a tariff of ₹6.65 (~$0.076)/kWh. The tender was floated in February this year. The BESS will be eligible for Viability Gap Funding support of up to ₹2.7 million (~$31,598)/MWh or 30% of the capital cost, whichever is lower.