What’s happening?<\/p>\n
Published in Nature Cities in 2024, the London analysis estimated 786 heat-related deaths in Greater London during that three-month period.<\/p>\n
Under the study’s scenario with broad rooftop solar coverage, the researchers estimated that 96 of those deaths, about 12%, might have been avoided.<\/p>\n
Those numbers came from modeling, not from observed deaths directly prevented by existing panels.<\/p>\n
Part of the cooling effect is simple: panels shade the roof surface, and the gap beneath them can allow some trapped heat to dissipate.<\/p>\n
At a laboratory building, University of California San Diego researchers measured daytime ceiling temperatures about 5\u00b0F lower beneath solar panels than beneath an exposed roof, and the roof absorbed roughly 38% less heat.<\/p>\n
Eurostat said renewables accounted for 45.5% of electricity generation in the European Union during the first quarter of 2026, up from 42.7% in the first quarter of 2025.<\/p>\n
Going solar is also one of the best ways to save money<\/a> on home energy. If you want to see what it could cost at your home, you can use EnergySage<\/a> to get quick solar installation estimates and compare quotes.<\/p>\n Why is it important?<\/p>\n Solar may be especially useful during heat waves because its output tends to peak when cooling demand is highest.<\/p>\n Ember estimated that, during a June 2026 heat wave<\/a>, a typical United Kingdom home with rooftop solar generated enough electricity to run a whole-home air-conditioning setup for around five hours per day.<\/p>\n Because that timing lines up so well, households can cut power bills, reduce some indoor heat gain, and produce cleaner electricity at the same time.<\/p>\n More From EnergySage<\/p>\n \ud83d\udca1Go deep on the latest news and trends shaping the residential solar landscape<\/p>\n The London study found that highly reflective cool roofs would have delivered a bigger modeled temperature drop, meaning rooftop solar is not a one-size-fits-all solution.<\/p>\n University of California San Diego environmental engineering professor Jan Kleissl said, “There are more efficient ways to passively cool buildings, such as reflective roof membranes.”<\/p>\n What’s being done?<\/p>\n Factors including roof age and condition, nearby shade, panel layout, warranties, storage choices, and whether a system is owned or leased can all affect how much value solar actually adds.<\/p>\n Tools like EnergySage’s solar map<\/a> can also show the average cost of a home solar panel system in each state, along with local incentives \u2014 resources that can help readers get the best price for rooftop solar panels and access available incentives.<\/p>\n EnergySage’s free services can also make comparison shopping much easier. With EnergySage’s help, the average person can save up to $10,000 on solar purchases and installations. Its quote-comparison tools give homeowners a clearer view of equipment, pricing, and financing before signing a contract.<\/p>\n Adding battery storage to a solar setup is one of the best ways to protect your home during outages, save money<\/a> on energy, and go off-grid. Homeowners can explore EnergySage<\/a> for information about home battery storage options, including competitive installation estimates.<\/p>\n Get TCD’s free newsletters<\/a> for easy tips, smart advice, and a chance to earn $5,000 toward home upgrades. To see more stories like this one, change your Google preferences here<\/a>.<\/p>\n \t\t\t![\"Cool](\"https:\/\/www.thecooldown.com\/wp-content\/themes\/tcd\/assets\/images\/divider-icon-earth.svg\"){kind=icon}
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