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Scorching heat drives India’s power demand to a record 270 GW amid outages

By Thomson Reuters May 21, 2026 | 6:58 AM

By Sethuraman N R

NEW DELHI, May 21 (Reuters) – India’s peak power demand hit a record high of 270.73 gigawatts on Thursday, with some regions in the country ​facing power cuts as a searing heat wave ‌boosted demand for cooling.

Peak power demand, a measure of the maximum electricity requirement, has already exceeded New Delhi’s expectations of 270 GW, with more than a month of summer still remaining.

Vast swathes of the subcontinent ‌are ​witnessing above-average heat-wave days in May ⁠due to the El Nino ⁠weather pattern, driving power demand.

India has seen four straight days of record peak power demand this week due to intense heat waves, with Thursday’s tally surpassing a record ​of 265.44 GW from a day earlier, data from the federal power ministry showed.

Many Indian states are likely to ⁠witness above-average heat wave days in ⁠May, the country’s weather office had predicted.

Peak demand ​could rise further if “heat waves continue to remain severe across major ​parts of the country,” said Ankit Jain, vice president ‌and co-group head of corporate ratings at ICRA Limited.

At an all-India level, the energy deficit was at 0.2% while the peak deficit was at 0.1% in April, which could have ⁠led to power cuts, Jain said.

Localised power outages have been reported during the night in some regions, according to data from grid ⁠operator Grid-India, highlighting ‌emerging stress in parts of the power ⁠system despite adequate overall supply during the day.

India ​has ‌about 228 GW of non-fossil power capacity, ​but the ⁠country still uses coal for over 70% of power generation.

The intermittent nature of the renewable energy sources means that some regions could see power shortages due to a sudden spike in demand, leading to power cuts, Jain said.

(Reporting by Sethuraman NR; Editing ​by Mrigank Dhaniwala)