EnergyEnergyAction Energy 
Government initiative to help small to medium-sized businesses save significant amounts of money on their energy bills - includes free review of energy use.
Energy Efficiency Best Practice
Government website with news and best practice details for industry to save energy.
Energy Technology Best Practice
Government website with news and best practice details for industry to use enviroronment technology.
Enhanced Capital Allowance Scheme
This scheme enables businesses to claim 100% first year capital allowances on investments in energy saving technologies and products.
Business & Environment Wales
The website lists available business environmental services, and reports on latest news and legislation. News and best practice details for industry to save energy.
Waterwise
The Environment Agency has published a guide outlining the environmental and financial benefits of water efficiency. Waterwise is particularly aimed at small businesses and public sector organisations, and includes information on how to develop a water management plan and water efficiency measures.
DTI's Web site for renewable energy
Wide range of information on this site.
U-Switch
A free site that checks out the best deal in your area for Gas and Electricity from all providers. Also does mobile phones.
UK Gas & Electricity Directory
Cheap gas suppliers UK and cheap electricity suppliers UK.