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The project required a minimum of 50 MW with 25 MW ESS; NHPC closed tender submissions on April 24, 2025, for BOO projects across India. Image Credit/Source: Kelly/Pexels
India-based NHPC Limited, invited bids for selection of solar power generators under Tranche XI to develop 1.2 GW ISTS-connected solar PV projects with 600 MW/2400 MWh energy storage systems across India. Bidding followed a single-stage, two-envelope process with an e-reverse auction. Projects were to be set up on Build, Own, Operate (BOO) basis with a 25-year PPA. Minimum project size was 50 MW with 25 MW ESS. Projects in North-Eastern states had a lower threshold of 30 MW. Bidders needed to arrange land and approvals. NHPC acted as intermediary procurer. Tender submission closed on April 24, 2025, with technical bid opening on April 29, 2025.