NHPC and ACME Solar signed Agreements for Battery Energy Storage System projects

New Delhi, July 18, 2025: Hydropower PSU NHPC Ltd and ACME Solar Holdings, through its wholly owned subsidiaries, have signed Battery Energy Storage Purchase Agreements (BESPA) for a total contracted capacity of 275 MW/550 MWh across two Standalone Battery Energy Storage System (BESS) projects.

The projects were secured at a tariff of Rs 2,10,000/MW/month for 50MW/100MWh and Rs 2,22,000/MW/month for 225MW/450MWh through e-reverse auction held on 24th June 2025.

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The project will be covered in Viability Gap Funding (VGF) scheme of Government of India with around Rs 27 lakh per MWh or 30% of the total project cost, whichever is lower is provided as VGF. The Letter of Award (LOA) for these projects were awarded on 8th July, 2025.

With the Standalone BESS installation, it will be established at the customer site wherein land and evacuation infrastructure will be provided by the customer, it should expedite the execution of these projects.

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These projects are one-of-its-kind projects being developed in Andhra Pradesh and are expected to be commissioned within 18 months from signing of the BESPA.

These solutions support the grid stability by absorbing power during peak hours and release power during peak demand hour in a day. BESS is expected to improve the grid integration of renewable sources like solar and wind, which are inherently variable in nature.

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