Solar panels in the United Kingdom
What a typical 6 kWp home system produces, saves and costs in the United Kingdom in 2026, on free government climate data (PVGIS). Run the numbers for your own roof below.
Is solar worth it in the United Kingdom?
A 6 kWp system is a common size for a family home. The figures above use the United Kingdom’s typical install cost, electricity price and export rules, then model 25 years of savings. They are an estimate, not a quote: your roof, orientation and shading move the result, which is what the calculator works out for your exact address.
| What we assumed for the United Kingdom | |
|---|---|
| System cost (net of incentives) | £10,500 |
| Electricity price (import) | 0.28 GBP/kWh |
| Export / feed-in rate | 0.15 GBP/kWh |
| Incentive modelled | No capital grant; 0% VAT on residential PV to 31 Mar 2027 (embedded in price), then reverts to 5%. Export via Smart Export Guarantee. (if you qualify) |
| 25-year lifetime profit (NPV) | £3,396 |
Solar by city in the United Kingdom
For the incentives, tariffs and the 2026 rule changes in detail, read our the United Kingdom solar guide.
Estimate only, not a quote. Figures use local climate data and average tariffs; your installer’s quote will be exact.
Calculate your exact savings
Free, no sign-up. Your address → payback, NPV, incentives and a 25-year cashflow for your exact roof.
Calculate your exact savings →