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About Us


Established in 1994, GB-Sol is an independent UK company, manufacturing solar PV panels and mounting systems at our spacious factory just north of Cardiff.  A spin-out from Cardiff University, GB-Sol has been at the forefront of solar power generation for several decades.  Today, we continue to lead in the application of solar through our stunning roof-integrated solar power systems, ruggedised panels, marine applications and lightweight flexible panels.

GB-Sol solar panel factory in Treforest

Quality & Reliability

All of our panels are made in an ISO 9001 & ISO 14001 certified factory ensuring that they are of the highest standard.  With over 28 years of experience, we can actually show our products match our warranty claims.  GB-Sol are members of Made in Britain.

Energy efficiency & carbon emissions

We minimise our carbon footprint, keep our suppliers as local as possible, use recycled aluminium and minimise our packaging.  Our factory has a 30kW solar PV array on the roof, providing much of the power needed and also long-term testing of products in development.  GB-Sol has been rated the top solar supplier in the Ethical Consumer magazine for many years.

Waste minimisation

GB-Sol is a member of PV Cycle and our factory is a registered collection point where broken or end of life solar panels can be brought of proper recycling.  All electronic waste is suitably dealt with and recycled under the WEEE regulations.  


At GB-Sol we try to ensure that our supply partners have high standards and play no part in slavery, exploitation of children, conflict minerals or other forms of corruption.  You can download our Supplier Code of Conduct.

GB-Sol Projects Ltd is a company registered in England & Wales, number 07508773 


BBA accredited              


GB-Sol Infinity solar roofs on the Chobham Rd awar

Edward Williams Architects win the Eco Living Award at the Evening Standard

Congratulations to Edward Williams Architects, who have been awarded the Eco Living Award at the Evening Standard House and Property Awards for their project in Stratford, East London.

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PV Slate at Futurebuild, London Excel, March 2023

PV Slate will again be exhibiting at Futurebuild.  Please do come and visit us and let us know more about your projects.  Our team will be on hand to answer any questions you might have about PV Slate, Infinity solar roofs or solar PV in general.

Futurebuild is at Excel, London and runs from Tuesday 7th to Thursday 9th March.

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