India adds a record 29 GW of solar and wind in first half of 2026 as rooftop installations double
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Commentary & Analysis ·
Verified key facts
- India added about 29 GW of solar and wind capacity in H1 2026, with solar contributing 26 GW, up 43 per cent year on year
- Rooftop solar added 6.4 GW, a 104 per cent jump, driven primarily by the PM Surya Ghar: Muft Bijli Yojana
- Cumulative renewable capacity reached roughly 288 GW by June 2026, with solar at 56 per cent of the base
- Gujarat led solar additions with 7.6 GW, followed by Rajasthan at 6.6 GW and Tamil Nadu at 2.4 GW
- JMK Research forecasts about 47 GW of combined solar and wind additions for full-year 2026
A record half-year for solar
India added about 29 GW of solar and wind capacity in the first half of 2026, the highest for any six-month period. The figures come from a JMK Research analysis reported by Down To Earth on 15 July. Solar contributed 26 GW, up 43 per cent from the same period last year, while wind added around 2.9 GW, a 16 per cent decline.
The half-year solar figure equals nearly 70 per cent of everything installed in calendar 2025, PV Tech reported. Cumulative renewable capacity reached roughly 288 GW by June 2026, with solar making up 56 per cent of that base, ahead of wind at 20 per cent and large hydro at 18 per cent.
The numbers land at a moment when the transition is drawing external capital too. The World Bank approved financing in early July to accelerate the national rooftop solar programme, projecting 1.7 million job opportunities across the value chain, according to the Bank's announcement.
Rooftops are the fastest-growing segment
The most striking number sits on rooftops. Rooftop solar added 6.4 GW in six months, a 104 per cent jump over the first half of 2025, according to the JMK data. Utility-scale projects still led in absolute terms at 19 GW, up 32 per cent, while off-grid and distributed systems added about 843 MW.
JMK Research attributed the rooftop surge primarily to PM Surya Ghar: Muft Bijli Yojana, the Centre's residential solar subsidy scheme, Down To Earth reported. The subsidy has shortened payback periods for households, converting rooftop solar from an enthusiast's purchase into a mainstream one.
Rooftop growth also redistributes who owns generation. Households and small businesses become producers, procurement patterns shift, and daytime grid demand falls in high-adoption states. That is a structural change distribution utilities will have to price and plan around, not a rounding error.
Gujarat and Rajasthan dominate the map
Capacity addition remains geographically concentrated. Gujarat led solar installations with 7.6 GW, or 29 per cent of the national total, followed by Rajasthan at 6.6 GW and Tamil Nadu at 2.4 GW, according to the JMK figures carried by PV Tech.
Gujarat also topped wind additions with 1.2 GW, some 43 per cent of the segment, ahead of Maharashtra at 0.49 GW and Karnataka at 0.48 GW. Two western states thus account for over half of India's new renewable capacity.
The concentration reflects resource quality, land availability and state policy stability. But it pushes the integration burden onto interstate corridors that carry western generation to demand centres elsewhere. Transmission, not generation, is increasingly the constraint the sector talks about.
Tamil Nadu's third place in solar, at 9 per cent of additions, is the only southern presence near the top of the table in the PV Tech figures.
Wind's continuing struggle
Wind's 16 per cent decline extends a long divergence between the two technologies. Wind's viable sites are concentrated in a handful of states, and its project pipeline faces cost competition from solar paired with storage.
The imbalance matters for the evening peak, when solar output fades. A solar-heavy build-out raises the value of complementary resources: wind, hydro, storage and demand response. The H1 numbers suggest the mix is still tilting further towards solar, not correcting.
The industry's main response has been to fold wind into hybrid projects alongside solar and storage. Whether that revives standalone wind investment is an open question the second half of the year will inform.
The 2030 arithmetic
JMK Research expects India to add about 47 GW of solar and wind across 2026 as a whole, supporting the national target of 500 GW of non-fossil capacity by 2030, Down To Earth reported. The first-half run rate puts the year on course to beat 2025 comfortably.
Earlier data points the same way. Mercom India recorded 15.3 GW of solar installed in the first quarter alone, the highest quarterly figure to date and a 143 per cent year-on-year increase. Renewables Now likewise reported the half-year totals as record additions for the country.
- Solar additions in H1 2026: 26 GW, up 43 per cent year on year
- Rooftop solar: 6.4 GW, up 104 per cent, driven by PM Surya Ghar
- Cumulative renewables: about 288 GW, solar at 56 per cent of the base
- Full-year 2026 forecast: about 47 GW of combined solar and wind
What could slow the run rate
Three risks shadow the record. Module supply and duty policy shape project costs. Distribution company finances still determine whether generated power is paid for on time. And land plus transmission approvals set the pace for the utility-scale pipeline that contributes the bulk of additions.
None of these constraints is new, which is partly the point: the sector doubled its half-yearly output while they persisted. If transmission build-out and storage tenders keep pace, the 500 GW target becomes arithmetic rather than aspiration. If they lag, curtailment and payment delays will do the slowing.
For state policy, the H1 map is a prompt. States outside the top three added comparatively little, and the national target assumes broader participation. Transmission-ready land, timely open-access approvals and payment discipline are the levers that separate the leaders from the rest.
Sources
- Down To Earth - India adds record 29 GW solar and wind in first half of 2026, driven by rooftop boom (15 July 2026)
- PV Tech - India adds 26 GW solar PV in H1 2026: JMK Research (9 July 2026)
- Renewables Now - India adds 26 GW of solar, 2.9 GW of wind power in H1 2026 (July 2026)
- World Bank - World Bank supports India's solar rooftop program to boost clean energy and jobs (9 July 2026)
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