Commercial solar panel installers in Cardiff
Cardiff is the commercial capital of Wales, with a strong mix of city-centre offices, Cardiff Bay's media and tech estate, and a deep South Wales industrial belt along the M4. Welsh-specific funding via Business Wales and the Development Bank of Wales, combined with solid South Wales irradiance, makes Cardiff one of the most attractive commercial solar markets in the UK.
Is your Cardiff site a fit for commercial solar?
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Best-fit sectors in Cardiff
- Distribution & logistics (M4 corridor)
- Advanced manufacturing & engineering
- Commercial offices, media & tech (Cardiff Bay)
- Public sector, healthcare & university estates
Solar yield
Areas we cover near Cardiff
Cardiff Bay · Penarth · Barry · Caerphilly · Newport · Bridgend · Pontypridd · Llantrisant · Treforest
Postcodes: CF10, CF11, CF14, CF23, CF24, CF3, CF5, CF63, CF72, CF83
Funding for Cardiff businesses
Run the numbers for your Cardiff site
Commercial solar by sector in Cardiff
Based on the dominant industries across Cardiff, these are the commercial solar specialisms most relevant locally - with the typical site profile for each.
Warehouses & Logistics solar in Cardiff
Large flat roofs, high daytime demand - the strongest commercial solar fit. In Cardiff that means distribution & logistics (m4 corridor) - sites we survey regularly across CF10 and the surrounding Wales patch.
- Typical system size
- 250 kWp - 1 MWp+
- Typical payback
- 3.5 - 4.5 years
- On-site self-consumption
- 70 - 85%
Indicative figures for well-matched UK sites - your feasibility review models your actual roof, demand and tariff.
See the full warehouses & logistics guide →Factories & Manufacturing solar in Cardiff
Heavy daytime load and process heat - fast payback on industrial roofs. In Cardiff that means advanced manufacturing & engineering - sites we survey regularly across CF10 and the surrounding Wales patch.
- Typical system size
- 300 kWp - 1.5 MWp
- Typical payback
- 3 - 4 years
- On-site self-consumption
- 80 - 95%
Indicative figures for well-matched UK sites - your feasibility review models your actual roof, demand and tariff.
See the full factories & manufacturing guide →Commercial Landlords solar in Cardiff
MEES/EPC uplift, green-lease premiums and tenant resale of power. In Cardiff that means commercial offices, media & tech (cardiff bay) - sites we survey regularly across CF10 and the surrounding Wales patch.
- Typical system size
- 50 - 500 kWp per building
- Typical payback
- 5 - 7 years
- On-site self-consumption
- varies by tenant mix
Indicative figures for well-matched UK sites - your feasibility review models your actual roof, demand and tariff.
See the full commercial landlords guide →Commercial solar in Cardiff - FAQs
Do you install commercial solar in Cardiff?
Yes - across Cardiff, Newport, Bridgend, Barry, Pontypridd and the wider South Wales M4 commercial belt.
What Welsh-specific funding can Cardiff businesses use?
Cardiff businesses can access Business Wales advisory support, Development Bank of Wales asset finance and periodic Welsh Government decarbonisation grants, combined with UK-wide AIA tax relief.
Is South Wales good for commercial solar yield?
Yes - South Wales receives around 950–1,000 kWh per kWp per year, close to Midlands yields and well above the Scottish average.
Do you cover Cardiff Bay offices and Treforest industrial?
Yes - both Cardiff Bay's offices/media estate and the Treforest, Nantgarw and Llantrisant industrial estates are within our standard Wales service area.
Cardiff is part of our Wales commercial solar service area. See the Wales regional guide →
Ready to see whether your roof could reduce your energy bills?
Explore related pages
- Commercial solar in WalesRegional funding, yield and coverage.
- Commercial solar in NewportNearby in Wales.
- Commercial solar in SwanseaNearby in Wales.
- Commercial solar in WrexhamNearby in North Wales.
- Commercial solar panelsSystems, costs and benefits for UK businesses.
- Commercial solar cost guideIndicative UK prices per kWp and what drives them.