Celtic Green Energy

Celtic Green Energy is an independent solar power installer based at Unit 13, Church Road Industrial Estate, Gorslas, Llanelli, Carmarthenshire SA14 7NN. Established in 2013, the company has completed hundreds of installations across South and Mid Wales, serving homeowners, farms and businesses in Cardiff, Swansea, Carmarthen, Bridgend and surrounding areas. They are an approved Octopus Energy installer, giving customers access to exclusive smart tariffs.

The company holds MCS accreditation for solar PV installations and works with a range of equipment manufacturers. Celtic Green Energy handles the entire process in-house, from initial site survey and system design through to installation, commissioning and aftercare. They install solar PV systems, battery storage solutions and EV charging points for both residential and commercial properties.

On Trustpilot, Celtic Green Energy has earned a 4-star rating from 26 customer reviews, with additional positive feedback on Bark where they hold a 5-star rating. Customers highlight the professional conduct of installation teams, noting clean workmanship and respect for the property. The company’s competitive pricing and straightforward quoting process are regularly praised, with several customers reporting significant reductions in their electricity bills following installation.