For a long time, India's hazardously hot summers have served as a warning about climate change. As millions of people are at danger due to bad urban planning and global warming, the nation is now experiencing more and more hot evenings.
According to data from the India Meteorological Department, average minimum temperatures from March to May, a proxy for nocturnal heat during the pre-monsoon season, have exceeded the long-term norm for eight of the last ten years. The only years that defied the pattern were 2020 and 2023.
The IMD issued a warning earlier this month that India would once more see above-average minimum temperatures this summer. This puts both people and electricity infrastructure at risk since heat will persist even when cooler weather should be allowing them to recover from the day's load.

"Sustained high temperatures through the night are becoming a bigger cause of heat exhaustion than the day-time heat," stated Rohit Magotra, a director of the think tank Integrated Research and Action for Development, or IRADe, in New Delhi, which provides heat mitigation advice to the Indian government. "Especially for people without access to adequate water and consistent, affordable cooling."
Climate change contributes to the issue; India is among the countries most susceptible to the consequences of rising temperatures.However, "urban heat islands," which occur when concrete in crowded neighbourhoods absorbs solar radiation during the day and gradually releases the trapped heat at night, can result in hotter nights. People who live in the poorest parts of India's cities frequently work outside during the day and now find it difficult to relax at night.According to Vishwas Chitale, team lead for climate resilience at the Council on Energy, Environment, and Water in New Delhi, "climate change is raising baseline temperatures, but the way we build our cities is what traps that heat." "More than half of extreme heat in India cities is driven by rapid concretisation and expanding road networks."

Increased heat leads to higher power consumption, and India has had record-breaking demand both during the day and at night, which occasionally results in shortages. Blackouts have occurred in a number of locations across the nation, from Chennai in the south to Delhi in the north, when you factor in overworked and occasionally badly maintained distribution networks.
The rapid growth of solar electricity has helped to meet demand during the day. However, nighttime supplies are under far more stress, which has been made worse this year by the war in Iran, which has curtailed the use of gas power plants and impeded the supply of liquefied natural gas.

In order to satisfy peak demand, India has purchased fuel on the spot market. However, generation has remained low, resulting in a daily supply shortage of up to 5 gigawatts this season—enough to power about 3 million low-income families.
Uttar Pradesh, the most populated province in the nation with some of its hottest cities, is one of the worst-hit states. 93% of residences in the state have experienced daily power outages, some lasting up to eight hours, according to a study published on May 21 by local social media platform LocalCircles.

Social media users have shared pictures of people protesting blackouts in different parts of the state, and political figures from various parties, including the ruling Bharatiya Janata Party, have written to the state's energy minister, A.K. Sharma, detailing the difficulties brought on by the unstable power supply.
The town of Banda, which is located in a semi-arid region of the state, has frequently led the list of the world's hottest places, with daytime highs of about 48 degrees Celsius. The evenings there have been equally severe, with minimum mercury readings continuously hovering around 35 degrees Celsius—well above levels deemed dangerous to human health."It appears to be a weather-induced curfew in Banda throughout the day, according to local journalist and activist Naseer Ahmad Siddiqui.

Senior vice president Sarnath Ganguly of Noida Power Co. Ltd., which distributes electricity in Noida on the outskirts of Delhi, contends that both customers and utilities bear some of the blame because many of them use air conditioners and other gadgets that consume more power than they are supposed to.
Blackouts can be reduced if clients disclose their real usage and distribution utilities make timely arrangements, he said.
However, staying outside for as long as possible is the most popular way for those with few cooling options to deal with oppressively hot nights; however, this solution still leaves the elderly, pregnant women, small children, and outdoor workers most susceptible, according to CEEW's Chitale.

"Outdoor heat gets all the policy attention," he stated. "But indoor heat is where the infrastructure deficit becomes lethal, especially for those without access to active cooling."