Ian Rippin, CEO at MCS, comments on the latest MCS data:
“Last month was the best May for small-scale renewables in MCS history, with almost 30,000 certified installations across the UK, following on from the best April on record.
“Figures from the MCS Data Dashboard show that there were over 5,100 certified heat pump installations in May, as consumers continue to make the transition to low-carbon heating, driven by initiatives such as the Boiler Upgrade Scheme (BUS). We also reached the milestone of 300,000 all-time heat pump installations last month.
“Solar PV saw over 21,100 certified installations in May – a 30 per cent increase on May 2024 – taking us past 100,000 total installations in the year so far. May 2025 was also the best month on record for battery storage, beating the previous record set in March this year, with almost 3,400 certified installations. This is a 112 per cent increase on May 2024.
“It’s great to see us reaching crucial milestones in 2025 in the small-scale renewables sector, a positive sign that consumer confidence in home-grown energy is continuing to grow. While this momentum continues and we look to transition to the redeveloped MCS, our priority is to ensure that installations are delivered to a high standard and that consumers have the best possible experience when investing in renewable energy.”
MCS holds the most comprehensive repository of data on the uptake of small-scale renewable technologies across the UK on The MCS Data Dashboard. For near-real-time updates on renewable installations, you can sign up for free to The MCS Data Dashboard here.
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