NHPC announces 1.2 GW solar plus storage auction results

Onix Renewable, Jindal India Renewable Energy, NTPC Renewable Energy, Kolar Solar Power (Rays Power Infra), ReNew Solar Power, and Adani Renewable Energy Holding Nine (Adani Green Energy Limited) have won NHPC Limited’s auction to develop 1,200 MW of interstate transmission system (ISTS)-connected solar power projects, incorporating 600 MW/1,200 MWh energy storage systems (ESS).

Onix, Jindal, NTPC, and Kolar were allocated capacities of 100 MW, 180 MW, 300 MW, and 150 MW, respectively, at a tariff of Rs 3.09 per kWh. ReNew Solar Power and Adani Renewable Energy Holding Nine secured 300 MW and 170 MW, respectively, at a tariff of Rs 3.10 per kWh. The tender was floated in September 2024, and the projects are to be completed within 24 to 30 months from the signing of the power purchase agreement (PPA).

The projects will be implemented on a build-own-operate basis, with a minimum project size requirement of 50 MW, including an ESS component of at least 25 MW/50 MWh. The total capacity must not exceed 600 MW without the greenshoe option, and 1,200 MW with it. In northeastern and Special Category states, the minimum capacity can be 30 MW, with an ESS component of 15 MW/30 MWh.