India’s Rooftop Solar Capacity Rose 2.8 GW in 1H 2025

India added 2.8 GW of rooftop solar capacity in the first half (1H) of 2025, according to Mercom India’s newly released Q2 2025 India Rooftop Solar Market Report. The installations grew 158% year-over-year. During the second quarter (Q2) of 2025, 1,618 MW of rooftop solar systems were installed, an almost 33% increase from 1,216.6 MW in Q1 2025, and an over 121% increase from the 731 MW installed in Q2 2024. The installation growth in 1H and Q2 of 2025 was mostly driven by the clearance of delayed registrations under the PM Surya Ghar: Muft Bijli Yojana, the commissioning of new systems, and enhancements to the PM Surya Ghar portal.

India’s solar sector is entering a decisive new phase. Starting September 1, 2025, all tenders require developers and installers to use solar modules compliant with the Approved List of Models and Manufacturers (ALMM) List – II for solar cells. While the government’s push for domestic manufacturing is widely supported, the transition is expected to be uneven, with developers warning of cost increases and possible delays, and manufacturers racing to add capacity in time.

Project execution delays driven by land aggregation hurdles, transmission bottlenecks, and policy gaps dominated conversations at the Mercom India Renewables Summit 2025. India continues to set installation records and meet goals ahead of schedule. However, developers, engineering, procurement, and construction contractors, financiers, and policymakers all agree that growth will slow down unless execution challenges are addressed. India has entered a phase where auctions and demand are no longer bottlenecks. The real struggle is getting projects built and connected.

The Maharashtra Electricity Regulatory Commission approved Maharashtra State Electricity Distribution Company’s (MSEDCL) petition for the procurement of an additional 500 MW of pumped hydro storage capacity from Torrent Power. The approval allows MSEDCL to contract this additional capacity at the same tariff adopted earlier under a competitive bidding process. The Commission clarified that this approval is an exceptional case and will not be treated as a precedent for future procurement. MSEDCL had floated a tender on March 9, 2024, for the procurement of 2,000 MW of energy storage capacity, with an additional 1,000 MW under the greenshoe option, from intrastate connected pumped hydro storage projects.

The Jharkhand State Electricity Regulatory Commission issued the draft “Terms and Conditions for Determination of Distribution Tariff Regulations, 2025.” These regulations, with a control period from April 1, 2026, to March 31, 2031, establish the financial and operational framework for electricity distribution in the state. The draft aims to promote competition among distribution licensees, improve operational efficiency, ensure prudent investment in infrastructure, and guarantee a reliable electricity supply to consumers. The regulations apply to all distribution licensees operating in Jharkhand and cover the determination of aggregate revenue requirement and tariffs for electricity wheeling and retail supply.

REC Power Development and Consultancy (RECPDCL) invited bids to establish a 400/132 kV AIS substation in Jalna district, Maharashtra. The project will be executed on a build, own, operate, and transfer basis. Bids must be submitted by October 31, 2025. Bids will be opened on the same day. RECPDCL has said the neighboring regions of Tirthpuri, Ghansawangi, Partur, and Utwad are rich in renewable energy, with a potential of 1 GW to 2 GW that can be transmitted through the proposed substation. The scope of work includes the survey, design, engineering, procurement, financing, construction, testing, and commissioning of the substation. It also entails providing operation and maintenance services for 35 years.

Gurugram-based battery innovation company Offgrid Energy Labs raised $15 million in a Series A funding round led by Archean Chemical Industries. This round also saw participation from existing investor, Ankur Capital. Offgrid will utilize the funds to establish a 10 MWh demonstration manufacturing facility in the UK, enhance its research and development pipeline for next-generation stationary energy storage solutions, and commercialize its patented ZincGel batteries through certification, testing, and finalizing the blueprint for a giga-factory.

AMPIN Energy Transition commissioned a 50 MW open access solar power project in Chhattisgarh’s Bemetara district. The project is supplying renewable energy to Texmaco Rail and Engineering. According to AMPIN, this project is expected to generate around 78.21 million units of electricity annually, enabling customers to replace over 80% of their conventional grid consumption with clean energy. This transition is projected to deliver 30% to 40% savings compared to prevailing retail power tariffs. Completed in nine months, the project marks AMPIN’s first venture in Chhattisgarh.

Saatvik Green Energy received a letter of award from the Maharashtra State Electricity Distribution Company to install 1,500 solar water pumping systems under the Magel Tyala Saur Krishi Pump Yojana. Saatvik Green will undertake the design, manufacturing, supply, transportation, installation, testing, and commissioning of off-grid DC solar water pumping systems directly at farmers’ sites.  The contract also includes a five-year system warranty, repair and maintenance services, and a remote monitoring system to ensure long-term reliability and farmer satisfaction.

Websol Energy Systems announced an expansion plan to add 4 GW of solar cell and 4 GW of solar module capacity. The expansion will be carried out in two phases and will use tunnel oxide passivated contact technology. Phase III will add 2 GW of solar cell and 2 GW of solar module capacity by June 2027. Phase IV will add another 2 GW of solar cell and 2 GW of solar module capacity by June 2028. The combined investment of ₹30 billion (~$340.73 million) for this expansion will be funded through internal accruals and institutional lending.

Renewable energy company GH2 Solar is establishing a green hydrogen electrolyzer manufacturing facility in Gwalior, Madhya Pradesh, in a joint venture with South Korea-based Advanced Hydrogen Energy Solutions. The facility, located in the Pipersewa industrial area of the Morena district, will initially have a production capacity of 105 MW, awarded under the Solar Corporation of India’s Strategic Interventions for Green Hydrogen Transition program. It will be supported by a Production Linked Incentive of ₹1.57 billion (~$17.89 million).

The U.S. Court of International Trade struck down the Biden administration’s two-year moratorium on anti-dumping and countervailing duty collections for solar imports from Cambodia, Malaysia, Thailand, and Vietnam. The duty pause originated in June 2022 when the White House declared a clean energy emergency and issued Proclamation 10414. This authorized a 24-month deferral of duties on imported solar cells and modules to help ease supply shortages and accelerate renewable energy deployment.

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