India, Sept. 30 -- India's renewable energy sector is lining up for a big jump in battery energy storage systems, or BESS, large batteries that store extra power and release it when needed. According to a Crisil Ratings analysis dated September 28, 2026, around 45-50 GWh of capacity is expected to be commissioned over this and the next fiscal, against just about 1 GWh as of last fiscal. The study looks at bids awarded between fiscals 2024 and 2026 across nearly 100 developers.

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Renewables now make up about 39% of installed power capacity and around 15% of energy generated, and solar drops off in the evening just wh...