The Solar Energy Corporation of India (SECI) has announced the winners of its auction to select developers for the assured peak supply of 6,000 MWh (1,500 MW X 4 hours) of firm and dispatchable renewable energy from interstate transmission system (ISTS)-connected projects with co-located energy storage systems (FDRE-IX).Waaree Forever Energies (Waaree Energies) won 700 MW at a tariff of ₹5.99/kWh (~$0.063/kWh), and NTPC Renewable Energy won 500 MW at a tariff of ₹6/kWh (~$0.063/kWh).