Commercial solar panel installers in Barry
Barry is the principal commercial town of the Vale of Glamorgan south-west of Cardiff — the Barry Docks estate (Associated British Ports) carries the mature heavy-industrial and chemicals footprint (Dow Corning's Barry silicones plant is a long-standing anchor), the Waterfront regeneration delivers newer mixed-use commercial stock, and the CF62/CF63 hinterland carries substantial Cardiff-Airport-adjacent aviation and logistics activity. National Grid Electricity Distribution's Barry 33 kV holds meaningful post-industrial headroom.

Best-fit sectors in Barry
- Dow Silicones Barry chemicals manufacturing
- ABP Barry Docks port and heavy industry
- Cardiff Airport aviation-adjacent logistics (Airbus Broughton-tier)
- Waterfront mixed-use regeneration commercial
Solar yield
Barry sits in the Wales irradiance band — roughly 1,000–1,080 kWh per kWp per year — the highest band of commercial solar yield in the UK.
Areas we cover near Barry
Cadoxton · Barry Island · Sully · Dinas Powys · Rhoose · Penarth (edge) · Cardiff Airport
Postcodes: CF62, CF63
Funding for Barry businesses
Vale of Glamorgan Council business-decarbonisation grants, Welsh Government Business Wales SMART Cymru and Green Growth Wales instruments, Development Bank of Wales business-loan facilities, Cardiff Capital Region Growth Deal capital, Dow Chemical global SBTi-aligned Scope-3 framework and the UK-wide 100% Annual Investment Allowance all serve CF62/CF63.See UK grants & funding guide →
Run the numbers for your Barry site
Get an indicative system size, savings and payback for a commercial site in Barry.Open the calculator →
Most relevant sectors for Barry businesses
Based on the dominant industries across Barry, these are the commercial solar specialisms most relevant locally — each links to a deeper guide.
Warehouses & Logistics in Barry
Large flat roofs, high daytime demand — the strongest commercial solar fit.
See the warehouses & logistics guide →Factories & Manufacturing in Barry
Heavy daytime load and process heat — fast payback on industrial roofs.
See the factories & manufacturing guide →Commercial solar in Barry — FAQs
Does Welsh SMART Cymru grant funding stack with UK-wide AIA on Barry PV?
Yes — SMART Cymru is a state-aid-notified Welsh Government grant (typically 30–50% of qualifying decarbonisation spend for eligible SMEs) and stacks with the UK-wide 100% Annual Investment Allowance on the after-grant net capital cost. Early advice is essential to avoid double-counting under the state-aid ceiling.
Are Barry Docks COMAH-tier sites PV-viable?
Yes with proper controls — Dow Silicones Barry is an upper-tier COMAH site and any PV within its consultation-distance triggers a HSE upper-tier COMAH consultation as part of planning. We handle this in-house with a dedicated COMAH-compliance workstream alongside standard G99 and structural design. Non-COMAH port-estate plots proceed under standard permitted development.
How does NGED handle CF62/CF63 G99?
Barry retains meaningful post-industrial headroom on the 33 kV feeders serving the Docks and Cadoxton — sub-500 kWp G99 with export limitation typically clears in 8–12 weeks, and 1 MWp+ remains deliverable subject to network study, particularly on ABP-estate plots with existing private-wire infrastructure.
Is CF62 / CF63 irradiance strong for commercial PV?
Yes — CF62 / CF63 delivers around 1,000–1,040 kWh per kWp per year, in the strong South Wales irradiance band. Waterfront-tier mixed-use and Docks-tier heavy-industrial load profiles both drive PV self-consumption into the high 70s to mid-80s of percent on well-sized rooftop arrays.
How wide is Barry coverage?
Cadoxton, Barry Island, Sully, Dinas Powys, Rhoose, Penarth and Cardiff Airport are day-one visits; Cardiff, Bridgend, Cowbridge, Llantwit Major and Cardiff Bay are on planned survey days from the Vale base.
Barry is part of our Wales commercial solar service area. See the Wales regional guide →