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Vale of Glamorgan CC

Commercial Solar and Electrical in Barry

Former world's busiest coal port with the Vale of Glamorgan Business Park and Barry Island hospitality delivering the highest commercial solar density in the Vale

Postcodes
CF62, CF63
Local authority
Vale of Glamorgan CC
Drive from HQ
45 mi · 60 min
Solar yield
960 kWh/kWp
CF62, CF63 60 min from our Swansea base 960 kWh/kWp solar yield Commercial energy intensity: High

Serving Barry

Barry -- Y Barri in Welsh -- is the largest town in the Vale of Glamorgan and the sixth largest in Wales, with a population of approximately 56,000. It was, for a brief period in the early twentieth century, the busiest coal-exporting port in the world: Barry Docks shipped more coal than Cardiff by 1913. The docks have since been redeveloped into a marina, business park and residential waterside development, but the commercial-industrial infrastructure built around that coal trade remains as one of the densest concentrations of industrial and warehousing floorspace in the Vale.

Vale of Glamorgan Council administers Barry. The dock area carries the Vale of Glamorgan Business Park and the Waterfront development at Barry Island Marina, which between them account for the majority of the town's commercial and light-industrial floorspace. These buildings are largely post-1980s construction with flat and low-pitch metal-clad roofs suited to commercial solar. The scale of the dock estate means some installations here exceed the 50 kWp threshold requiring G99 consent from the NGED South Wales network.

Barry Island is the town's leisure and tourism anchor. The pleasure beach, the beach-front cafes and amusement facilities draw significant summer visitor numbers and a consistent hospitality economy along the seafront. Barry Island's commercial buildings have south-facing orientations toward the Bristol Channel and good solar yield from the coastal exposure.

Housing in Barry is varied and extensive. The older parts of town -- Cadoxton, Holton, High Street area -- carry Victorian and Edwardian terraces with typical steep south-facing pitches suited to on-roof solar. The Gibbonsdown, Palmerstown and Merthyr Dyfan estates to the north carry post-war semi-detached and terrace housing with more mixed orientations. Barry waterfront in the former dock area has modern apartment blocks with flat or green-roof construction where a different solar specification applies.

The Valleys Gateway Booster grant from Vale of Glamorgan Council has historically targeted commercial energy efficiency investment in the dock estate commercial zone. FLD advises Barry commercial clients on the current grant position at the business case stage.

At 960 kWh/kWp, a 200 kWp Vale of Glamorgan Business Park rooftop generates 192,000 kWh annually. With 75% self-consumption on a distribution or light-manufacturing operation at 27p/kWh, year-one saving reaches approximately £43,000 on £172,000 capex. Post-AIA payback 3.5 years.

FLD reaches Barry in approximately 60 minutes via the M4 and A4231. The town is served on the same Vale of Glamorgan circuit as Cowbridge and Penarth.

Commercial sites and business parks

High energy intensity

Vale of Glamorgan Business Park

CF63 2AW

Barry Waterfront Business Quarter

Commercial solar estimate — Barry

100 kWp reference system at 960 kWh/kWp

Modelled at 27p/kWh blended import, 15p/kWh SEG export, 72% self-consumption for high energy intensity site.

96,000
kWh/yr
Annual generation
£22,694
per year
Annual saving
3.7
years
Simple payback
2.8
years (AIA)
Post-tax payback
Indicative only. Based on PVGIS irradiance data for Barry. Actual figures depend on roof orientation, shading and tariff. Request a detailed survey.
Domestic solar

Housing stock in Barry

Victorian and Edwardian terraces, post-war council estates, modern Barry Waterfront apartments

A typical 4 kWp domestic install here generates 3,840 kWh/yr. With 40% self-consumption at 30p/kWh and 60% SEG export at 15p/kWh, first-year saving is approximately £806.

960
kWh/kWp/yr
PVGIS irradiance

Local landmarks and context

  • Barry Island Pleasure Beach
  • Barry Docks and Marina
  • Porthkerry Country Park

Major employers we work with

  • Vale of Glamorgan Business Park tenants
  • Barry Island hospitality operators
  • Amazon Fulfilment Centre nearby

Recent local developments

  • Barry Waterfront regeneration
  • Vale of Glamorgan Business Park expansion
  • Barry Island public realm investment
From the blog

Guides for Barry

Commercial solar for Vale of Glamorgan businesses: Barry Docks, Cowbridge conservation area and the CF postcode guide

A commercial and domestic solar guide for the Vale of Glamorgan -- Vale of Glamorgan Business Park at Barry, Cowbridge conservation area domestic solar, and payback examples across CF62, CF63 and CF71.

5 min
Read
FAQ

FAQs for Barry

At 30p/kWh grid electricity, a 100 kWp system generating 95,000 kWh/yr with 70% self-consumption delivers around £24,000 of year-one benefit against c. £85,000 capex, a 3.5-year simple payback. Under Annual Investment Allowance first-year 100% relief, post-tax payback is closer to 2.6 years. South Wales yields 940 to 985 kWh/kWp/year depending on postcode, comfortably enough for commercial solar to be cashflow positive from month one with a PPA.
A Power Purchase Agreement is a financing arrangement where we fund and install a rooftop solar system at no upfront cost. Your business buys the electricity the system generates at a fixed, RPI-indexed rate that is lower than your grid tariff. The PPA typically runs 10 to 25 years. At the end you can extend, buy out at a pre-agreed residual value, or have the system removed. It suits businesses that want immediate savings without capital outlay and that are credit-worthy with a stable site.
G99 is the Engineering Recommendation governing how generation equipment connects to the UK distribution network. For commercial solar above 16 A per phase, you need G99 approval from your District Network Operator before export. In South Wales that is National Grid Electricity Distribution (NGED, formerly Western Power Distribution). Type A connections are the standard sub-1 MW route, typically 3 to 6 months in 2026.
Yes, depending on organisation type. Welsh SMEs and public bodies can access the Welsh Government Energy Service, Ynni Cymru Capital Grants (approximately £10 m in 2026-27, £25,000 to £1 m per project) and Development Bank of Wales Green Business Loans. Welsh public-sector bodies use Salix Wales Funding Programme rather than the English Public Sector Decarbonisation Scheme. Farms may be eligible under Farming Connect. Always check current-year terms before committing.
If your self-consumption rate sits below about 60%, or your site has significant evening or night load, a battery shortens payback and lifts return. For most daytime-operating warehouses and factories already at 70%-plus self-consumption, batteries are optional and we sometimes advise against them to keep payback tight. We model both cases in the proposal.

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Speak to Paul directly. Most quotes turn around within five working days of a site survey.

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