Regional Guide
Solar Panels across Wales.
Quick answer: a typical solar panels installation in Wales costs around £6,106 (modelled range £3,969–£9,465) — about 6% below the UK average. Estimated savings run up to £577 a year, with payback typically around 10 years before grants.
Costs in Wales at a glance
| Typical installed cost | £6,106 |
|---|---|
| Modelled range | £3,969 – £9,465 |
| Est. annual saving | up to £577/yr |
| Est. payback (before grants) | ~10 years |
| Regional price index | 0.94 (UK average = 1.00) |
Grants in Wales
0% VAT applies on solar panel and battery installations until 31 March 2027 — worth roughly £600 on a typical system.
Local solar panels guides
Work out your own numbers
The free savings calculator gives an instant cost range, saving and payback for any upgrade in Wales — or read the full solar panels guide.