New Delhi, June 30 -- India's Battery Energy Storage System (BESS) demand is expected to reach 236.2 GWh during FY27-FY32, driven by declining battery costs and improving revenue visibility from Firm and Dispatchable Renewable Energy (FDRE), Round-the-Clock (RTC) and ancillary services, according to an Equirus report.

The report said, "Declining battery costs and greater revenue visibility from FDRE, RTC and ancillary services have enhanced commercial viability."

It said the growth of AI and cloud data centres is emerging as a key demand driver, as these facilities require uninterrupted clean power.

"Each 100 MW data centre needs ~250 MW Solar + 150MW wind + ~450 MWh BESS to run 24x7 on renewables," the report said.

The report added, ...