Lake Renewable Energy - Supplier of solar , wind and energy saving products.
Heat My Home - Domestic Solar Panels for the UK climate, including DIY Solar Panel Kits, Evacuated Solar Tubes, PV Solar Installations and Local Solar Installers 
Free Source - Supplier and installer of solar thermal heating, solar for electricity, wind and heat pumps with grants.
Everest Solar Panels - Solar water heating systems can reduce your fuel costs and give you 50 - 70% of your yearly hot water requirement free and increase the value of your home - Everest, Improving British Homes for 40 years