India, July 8 -- India will need 888 gigawatt-hours (GWh) of energy storage capacity by 2035-36, nearly 900 times its current installed capacity of around 1 GWh, as the country prepares for rapidly rising electricity demand while integrating a much larger share of renewable energy into its power system, according to a new report.

The report, India BESS Market Review, released by the India Energy Storage Alliance (IESA) and Customised Energy Solutions (CES) released at the 12th India Energy Storage Week (IESW) 2026, projects cumulative energy storage system (ESS) capacity of 888 GWh by 2035-36, comprising 321 GWh of battery energy storage systems (BESS) and 567 GWh of pumped storage projects (PSP). Annual ESS additions are expected to inc...