Solar Powers 22% of India’s Record 256 GW Demand During Historic Heatwave

Solar Powers 22% of India’s Record 256 GW Demand During Historic Heatwave

April 28, 2026

India’s power sector demonstrated remarkable resilience this summer, successfully managing an all-time high peak demand of 256.1 gigawatts (GW) on April 24, 2026. The surge, driven by intense heat across the country, was supported significantly by solar energy, which contributed nearly 22% (57 GW) of the total requirement during the afternoon peak. This performance marks a dramatic leap in renewable integration; for context, the share of renewables in meeting peak demand was just 10.9% in 2023.

Earlier on the same day, solar generation reached a staggering 81 GW, fulfilling approximately one-third of the total national electricity generation at that hour. This record-breaking output highlights the rapid scaling of both utility-scale solar parks and rooftop installations. While coal continues to provide the steady “baseload” supply—contributing roughly 172 GW—the diversifying energy mix now includes a robust combination of solar (60.5 GW), hydro (11.2 GW), wind (4.6 GW), and nuclear (6.3 GW) to handle high-pressure consumption periods.

The government’s strategic focus is now shifting toward storage solutions to ensure this green momentum persists into the evening hours. By expanding Battery Energy Storage Systems (BESS), officials aim to store excess solar power generated during the day to meet the subsequent evening peak when solar output naturally drops. As Prime Minister Narendra Modi noted in a recent address, this transition to solar and wind is no longer just an environmental goal but a critical component of India’s long-term energy security amid global supply uncertainties.