New Delhi, June 18 -- India's cumulative installed battery energy storage capacity reached 5.9 GWh as of March 2026, with the country adding 4.6 GWh in the first quarter of the year alone, according to a report by Mercom India Research.

The 'India Energy Storage Landscape Q1 2026 Report' said standalone energy storage led with a 73 per cent share of cumulative installed capacity, followed by solar-plus-wind with storage at 15 per cent and solar-plus-storage projects at 11 per cent. The remainder was spread across emerging configurations, including floating solar with storage, each contributing less than 1 per cent.

Pumped Storage and Pipeline Activity

India's pumped storage project (PSP) pipeline remained robust, with 57.2 GW of projec...