17 Latest Solar Panel Statistics & Facts for the UK (2025)

Energy is on everybody’s mind in Britain. These interesting UK solar panel statistics & facts show how a bright sunny day could power the country.

UK Solar Panel Statistics & Facts

1. Around 900,000 British homes have solar photovoltaic (PV) panels in use. (The Solar Trade Association)
2. Solar panels cost, on average, £6,500. (Money Saving Expert)
3. The cost of installing solar panels decreased by 82% in the last decade. (International Renewable Energy Agency)
4. However, for most people (61%), money is still the biggest reason they aren’t buying and installing solar panels. (The Eco Experts)
5. Solar panels can help save money; average homes could save between £90 and £270 annually using 250W solar panels. (Greenwatch)
6. Solar panels operating under the Smart Export Guarantee can pay themselves back in 16 years. (Greenwatch)
7. A survey showed the younger generations favour solar panels; 75% of Generation Z said they are likely to purchase solar panels compared to 58% of Baby Boomers and 50% of the Silent Generation. (The Eco Experts)
8. Small-scale PV systems comprise 90% of total 1,007,427 installations. (Greenwatch)
9. Solar energy accounts for around 4% of Britain’s total electricity generation. (The Switch)
10. Britain would need to cover 12% of its landmass with solar panels to power the whole country. (Finder)
11. Cornwall is the best place for solar power in the UK, with over 8,000 solar sites. (The Eco Experts)
12. Energy creation can vary; research showed that between April and June 2017, 6% of Britain’s total electricity came from solar, but between October and December, it was just 1.5%. (The Switch)
13. The cumulative installed capacity of solar panels increased from 95 megawatts in 2010 to 13,965 megawatts in 2021. (Statista)
14. On average, you would need 16 panels to power your house with a 4kW solar panel system. (Greenwatch)
15. The solar panel industry contributed £1.86 billion in turnover in 2019. (Statista)
16. 25C is the optimum temperature for solar panels to operate. (The Eco Experts)
17. An average UK home with a solar PV system could reduce carbon emissions by 1.2 to 1.7 tonnes yearly. (The Energy Saving Trust)