India installed 6.1 GW open-access solar capacity in first nine months of 2025

India installed 6.1 GW open-access solar capacity in first nine months of 2025

December 3, 2025

India has installed 6.1 GW of open-access solar capacity during the first nine months of 2025, up by about 13 % from the 5.4 GW recorded during the same period in 2024. This is mainly driven by sustained demand from commercial and industrial consumers across the country.

The cumulative open-access solar capacity in India was 27.9 GW by September 30, 2025. India added 2.2 GW of open-access capacity during Q3-2025 alone, a decline from 2.8 GW added in Q2, but about double the 1.1 GW added in Q3 2024. Delays in grid-connectivity approvals, restricted substation access, and limited transmission-evacuation capacity due to a weaker grid at those places were the reasons for this slowdown in Q3.

At the state level, Karnataka topped the additions in Q3 2025, contributing almost 38% of the open-access capacity added during the quarter. Meanwhile, in cumulative terms, Karnataka remained the top contributor with approximately 25% of the country’s total open-access solar capacity.

The contribution of Maharashtra and Gujarat was 17 % and 12 %, respectively. In spite of challenges like supply-chain pressures, increasing module costs, and constraints related to the grid, the cost advantage coupled with increased interest from commercial and industrial users continued to give momentum to open-access solar deployment across India.