08 Jul UK Rooftop solar installations hitting new records
(Oilandgaspress) 08/07/26, – Ember finds that households with rooftop solar are powering the equivalent of five hours of air conditioning a day.
Solar and air conditioning have similar seasonal patterns, meaning that when the need for cooling hits, solar is likely to be generating at a high level. On the 21st and 22nd of June 2026 a typical UK rooftop solar installation generated 15 MWh, equivalent to five hours of electricity demand from a full-house air conditioning set up (at 3 kW) per day.
Across the 1.9 million UK homes with rooftop solar, the equivalent to 10 million solar-powered air conditioning hours have been generated each day of the heat wave so far. Although rooftop generation will be split across all household electricity use, this hints at the potential for cost-effective cooling in the future, particularly as home batteries become more common.
This surge of installations has led to a huge increase in solar generation, with new records being broken frequently. The peak solar power half-hourly generation record was broken eleven times in the first half of 2026 alone. Britain also set a new all-time monthly solar generation record in May, beating the previous all-time record in May the previous year.
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