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India’s Renewable Power Generation Jumps Nearly 19% in May, Solar Drives Growth Photograph: (Saur Energy)
India’s renewable energy generation, including large hydro, rose 18.68% year-on-year in May 2026, driven primarily by a sharp increase in solar power output. According to the latest government data, renewable sources generated 47,317.5 million units (MU) during the month, up from 39,869.3 MU in May 2025. Renewable energy accounted for 26.65% of India’s total electricity generation of 177.56 billion units (BU) in May. Excluding large hydro, renewable generation stood at 34,565.16 MU, registering an even stronger growth of 29.92% over the corresponding month last year.
Solar power emerged as the largest contributor to India’s renewable electricity generation basket in May. Solar generation rose 50.88% year-on-year to 21,583.99 MU from 14,305.32 MU in May 2025. The segment accounted for 45.6% of total renewable generation, including large hydro, and contributed 12.16% of the country’s total electricity generation during the month. India’s installed solar capacity stood at 157.05 GW as of May 31, 2026, underlining the sector’s growing importance in the country’s power mix.
Large hydro remained the second-largest source of renewable electricity despite a decline in output. Generation from large hydro projects fell 3.86% year-on-year to 12,752.34 MU in May from 13,264.60 MU a year earlier. Large hydro accounted for 26.95% of India’s renewable generation and 7.18% of total electricity generation during the month. Installed large hydro capacity stood at 51.96 GW at the end of May.
Wind power generation increased at a relatively modest pace compared to solar, rising 7.41% year-on-year to 11,458.18 MU from 10,667.42 MU in May 2025. Wind contributed 24.2% of renewable generation and accounted for 6.45% of India’s total electricity generation. The country’s installed wind capacity reached 56.81 GW by the end of May.
Small hydro generation continued to lag, declining 20.49% year-on-year to 620.92 MU from 780.91 MU in May 2025. The segment accounted for only 1.31% of renewable generation and 0.35% of total power generation during the month. Meanwhile, biomass and bagasse-based generation posted modest growth. Biomass generation rose 6.58% to 383.27 MU, while bagasse-based generation increased 7.10% to 256.39 MU. Together, the two segments generated 639.66 MU, contributing 1.35% of renewable generation and 0.51% of India’s overall electricity output.
The latest data highlights the growing dominance of solar power in India’s renewable energy landscape. Solar and wind together generated 33.04 BU of electricity in May, accounting for nearly 70% of India’s renewable electricity output during the month. The strong growth in renewable generation also reflects the rapid expansion of clean energy capacity, particularly in the solar segment, which is increasingly becoming the backbone of India’s energy transition.
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