Commercial solar installers across Wales
Wales combines strong South Wales irradiance, a large industrial base around Cardiff, Newport, Swansea and Wrexham, and Welsh-Government-specific funding routes that aren't available in England. Together they make commercial solar particularly compelling for Welsh businesses.

Key hubs we serve
- Cardiff, Newport & the M4 corridor
- Swansea & Bridgend
- Wrexham & Deeside (North Wales)
- Port Talbot, Llanelli & wider industrial Wales
Strong sector fit
- Steel, chemicals & heavy industry
- Automotive & advanced manufacturing
- Food production & agri-processing
- Distribution & port logistics
Solar conditions
South Wales receives roughly 950–1,000 kWh per kWp per year — strong commercial solar yields. North Wales is slightly lower but still highly viable, particularly on large industrial roofs.
Funding in this region
Welsh businesses can layer the UK-wide 100% Annual Investment Allowance with Welsh-specific support — Business Wales advisory, Development Bank of Wales finance and periodic Welsh Government decarbonisation grants. This combination often produces stronger funding outcomes than in England.See UK grants & funding guide →
Run your numbers
Get an indicative system size, savings and payback for a site in Wales.Open the calculator →
Wales commercial solar FAQs
Are commercial solar panels worth it in Wales?
Yes — South Wales in particular receives strong solar irradiance (around 950–1,000 kWh per kWp per year), and Welsh businesses can access Welsh Government decarbonisation support that isn't available in England, often improving the funding picture significantly.
Which Welsh areas do you cover?
We cover Cardiff, Newport, Swansea, Bridgend, Wrexham, the M4 corridor and the wider South Wales industrial belt, plus North Wales manufacturing centres.
What Welsh-specific funding is available?
Welsh businesses can access Business Wales advisory support, Development Bank of Wales finance and periodic Welsh Government decarbonisation grants. These often combine with the UK-wide 100% Annual Investment Allowance — see our grants & funding guide for a full breakdown.