India's Battery Storage Capacity Reaches 9.3 GWh by Mid-2026
India added 8.2 gigawatt-hours (GWh) of battery storage capacity in the first half of 2026, according to a Mercom India Research report. This represents an 84-fold increase compared to the 98.4 megawatt-hours (MWh) added in the same period of the previous year. By June 2026, the cumulative installed battery storage capacity in India reached 9.3 GWh.
The growth is attributed to rising utility demand for grid balancing, peak management, and renewable energy integration. Standalone battery storage projects accounted for 83% of cumulative installations. Rajasthan leads in installed battery storage capacity with 36%, followed by Gujarat at 20% and Maharashtra at 5%. These three states collectively represent over 60% of the country's total installed capacity.
Battery storage procurement also saw a sharp increase in the first half of 2026, with 28 GW tendered. This marks an 86% year-over-year increase from the 15 GW tendered in the first half of 2025.