New Delhi, Oct. 7 -- India's battery energy storage system (BESS) requirement is projected to surge nearly seven-fold to 236.22 GWh by FY2031-32, requiring investments of up to Rs 3.49 trillion, according to a Rubix Data Sciences report.

The country witnessed a sharp acceleration in BESS deployment in 2026, with 8.2 GWh of capacity added between January and June, compared with less than 100 MWh in the same period of 2025, it noted.

Furthermore, as of August 2026, 9.08 GWh of BESS capacity was operational, while 79.92 GWh was under construction, with 79.92 GWh under construction, 24.13 GWh awarded, and 63.53 GWh under tendering, taking the total operational and identified project capacity to 176.66 GWh, with the current CEA project pipel...