Is It Worth Buying Solar Panels in the UK?

With electricity at 24.5p/kWh and 0% VAT on installations, solar panels are one of the best investments UK homeowners can make in 2026.

Why Solar Panels Are Worth It

Save £500–£1,100 per year on electricity bills

0% VAT on residential installations until 2027

Earn 5–15p/kWh via Smart Export Guarantee

7–10 year payback, then 15+ years of free electricity

Increase property value by up to £30,000 (EPC improvement)

30-year warranty with minimal maintenance

Battery storage maximises self-consumption to 70%+

Protection against future energy price rises

Solar Panel Returns (2026)

System	Cost	Annual Saving	Payback	25-Year Return
4 kW (no battery)	£6,500	£550	10–12 yrs	£7,250+
4 kW + 5 kWh battery	£10,000	£800	10–12 yrs	£10,000+
6 kW + 10 kWh battery	£13,000	£1,100	10–12 yrs	£14,500+

Frequently Asked Questions

Are solar panels worth it in the UK in 2026?

Yes — with electricity prices at 24.5p/kWh and 0% VAT on installations, solar panels offer a 7–10 year payback and 25+ years of generation. Most homeowners save £500–£1,100 per year.

Do solar panels work in cloudy weather?

Yes — modern solar panels generate electricity from diffuse light as well as direct sunlight. UK panels typically produce 80% of their rated output even on overcast days.