Solar Panel Installers in Cardiff

We currently track 1 vetted solar panel installer serving Cardiff and the wider South Wales area. All hold current MCS certification and have been checked against our quality standards.

Use our free quote request tool to receive up to three fixed-price quotes from vetted solar panel installers in Cardiff. There is no obligation and no cost — we never share your details without your permission.

Several UK government grants may apply to solar panel installations in Cardiff, including the Boiler Upgrade Scheme (£7,500 for heat pumps), ECO4, the Great British Insulation Scheme and 0% VAT on green energy products. Use our grant checker to see which schemes you qualify for.

Always check for current MCS certification (verify at mcscertified.com), ask for references from recent local installations, compare at least three quotes, and ensure the quote includes all costs — no hidden extras for scaffolding, DNO registration or commissioning.

Costs vary depending on your property, system size and specific requirements. Request free quotes through our platform to get accurate, fixed-price estimates from vetted installers who have surveyed or assessed your home.

Cardiff receives approximately 1350 hours of sunshine per year. A typical 4kW system would generate around 3510 kWh annually — enough to cover 50–70% of an average household's electricity consumption.