Solar Panels in Wales
Your complete guide to solar panels costs, grants, and installers across Wales. Updated for 2026.
Quick Answer
Solar Panels in Wales cost between £4500 and £8000 (average £6250). Welsh homeowners save around £650 per year, with a payback period of 10 years. 0% VAT applies (save ~£600)..
Solar Panels by Welsh Location
Browse solar panels costs, grants and installers for your area. Select your region:
South Wales 23 towns
North Wales 18 towns
Solar Panels Cost Breakdown
Here is what you can expect to pay for solar panels in Wales, depending on system size:
| System Size | Cost Range | Annual Saving | Payback |
|---|---|---|---|
| Small | £4500 – £6250 | £650 | 10 years |
| Medium | £6250 – £8000 | £650 | 10 years |
| Large | £8000+ | £650 | 10 years |
All prices include installation and VAT. Actual costs depend on your property, location, and chosen installer.
Solar Panels Grants in Wales
Eligible installations qualify for 0% VAT (saves ~£600) — check your eligibility. Welsh homeowners may also qualify for the Nest scheme or Warm Homes Programme Wales.
Welsh homeowners may be eligible for:
- Nest scheme — Welsh Government-funded energy efficiency improvements for eligible households.
- Warm Homes Programme Wales — Grants for home energy upgrades including solar panels.
- ECO4 — Energy Company Obligation funding for low-income and vulnerable households.
Not sure what you qualify for? Get a free eligibility check.
Compare prices from MCS-certified installers across Wales. No obligation, completely free.
Solar Panels in Wales — FAQ
How much do solar panels cost in Wales?
Solar Panels in Wales typically cost between £4500 and £8000, with an average around £6250. Prices vary by location, system size, and property type.
What grants are available for solar panels in Wales?
Yes — solar panel installations currently qualify for 0% VAT (saves ~£600), saving homeowners several hundred pounds. Use an MCS-certified installer to qualify. Welsh residents may also be eligible for additional support through the Nest scheme.
How much can I save with solar panels?
Welsh homeowners typically save around £650 per year with solar panels, with a payback period of approximately 10 years. Savings depend on your energy usage and system size.
How much CO2 do solar panels save?
A typical solar panels installation saves around 1.3 of CO2 per year, making a meaningful contribution to reducing Wales's carbon emissions.
Are solar panels worth it in Wales?
Yes. With annual savings of £650, a 10-year payback period, and Welsh Government grants available, solar panels are a sound investment for most Welsh homes.