PLUMMETING SOLAR+STORAGE AUCTION PRICES IN
The storage costs reflected by the latest auction prices in India have profound implications for the costs of a flat block of power - i.e., a solar+storage system can supply a steady stream of
ation. Recent energy storage auctions in India reveal record-low prices, with unsubsidized standalone battery storage bids at 2.8 lacs/MW/month and solar+storage bids at 3.1–3.5 I
India. Specifically, recent auction results for storage have been record-breaking: the latest tender for standalone battery energy storage systems (BESS) with two hours' duration in April 2025 saw a winning bid of 2.8-2.85 lacs/MW/month, without any subsidy like the Viability Gap Funding
Under tender rules, each megawatt of solar capacity must be paired with at least 500 kW/2 MWh of energy storage. The projects may be located anywhere in India but must be connected to the Inter-State Transmission System. This content is protected by copyright and may not be reused.
Each project requires integrating 1000 MW/4000 MWh of energy storage, charged exclusively by solar power. This initiative supports India's climate goals and enhances grid reliability by addressing solar power intermittency.
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