Best start to a year for rooftop solar in more than a decade
Posted: Tuesday, April 29th, 2025
The UK is experiencing a solar boom, with the first quarter of 2025 proving the strongest start to a year for certified solar PV installations on homes and businesses in over a decade, Electrical Times reported. According to MCS data—the UK’s quality mark for small-scale renewables—there were more than 57,000 certified rooftop solar PV installations in the first three months of the year. This is the highest figure for the first quarter of a year since 2012, when the feed-in tariff regime drove exceptional demand. More than 21,000 MCS-certified solar PV installations were made in March alone, the highest number for a single month since December 2015. This follows a recent record for total solar generation in the UK, which saw solar power generate 12.7 gigawatts of power on Sunday, 6 April, equivalent to the generating capacity of four Hinkley C nuclear power stations. This beat the previous high set only days before. This also means there have now been more than 1.7 million total MCS-certified solar PV installations, the majority of them on homes. The coming into effect of revised building regulations that require higher energy efficiency standards – so-called ‘Part L’ rules – have helped drive the rise in solar panels. In last year's last quarter, more than four in ten new homes included solar panels. In March 2025, more than a third of all certified solar PV installations were on new builds. MCS holds the most comprehensive data repository on the uptake of small-scale renewable technologies across the UK on the MCS Data Dashboard.
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