Solar panels and batteries, made simple
Want lower electricity bills? Solar panels make power from daylight. A battery saves it for later. This site explains it all in plain English.
How solar works
From sunlight to your kettle, step by step.
Batteries
Save sunshine for the evening.
Costs and savings
What it costs and when it pays back.
FAQs
Quick answers to common questions.
Benefits and free help
Schemes that may help with insulation, heating and sometimes solar.
Key facts (typical, approximate)
- A typical home system is about 4.5kWp, around 12 panels. It costs about £7,600.
- Panels still work on cloudy days.
- Until 31 March 2027, solar panels and batteries fitted in homes have 0% VAT.
- Panels should last 25 years or more.
Where our facts come from
Figures are typical and approximate. Last reviewed October 2026.