India installed 2.8 GW of rooftop solar in H1 2025, up 155% YoY

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India added 2.8 GW of rooftop solar capacity in the first half (January–June) of calendar year 2025, marking a 155% year-over-year increase compared to the 1.1 GW installed during the same period in 2024, according to Mercom India’s newly released Q2 2025 India Rooftop Solar Market Report.

Of the total installed in H1 2025, 1.6 GW was commissioned in the second quarter (Q2), representing a 119% increase over the 731 MW installed in Q2 2024.

The report attributes the surge in installations in both H1 and Q2 2025 to the clearance of delayed registrations, the commissioning of new systems, and enhancements to the PM Surya Ghar portal.

In Q2 2025, rooftop solar capacity additions were led by the residential segment, which contributed over 74%. This was followed by the industrial segment at over 19%, the commercial segment at about 6%, and the government segment at nearly 0.5%.

Installations under the capital expenditure (CAPEX) model contributed 88% of the quarterly additions, while capacity additions under the operational expenditure or renewable energy service company (OPEX/RESCO) model accounted for about 12% of the installations in Q2 2025.

“The rooftop solar market is on track for record growth this year, with residential adoption under the PM Surya Ghar program driving nearly three-quarters of new installations. However, persistent DCR module shortages, regulatory unpredictability in some states, net metering and payment issues, threaten to slow this momentum unless addressed quickly. Policy clarity and reliable supply will be critical to sustaining growth at these levels,” said Raj Prabhu, CEO of Mercom Capital Group.

Gujarat, Maharashtra, Uttar Pradesh, Kerala, and Rajasthan led the rooftop solar capacity addition during the quarter by contributing 64% of the total installations.

 

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