Websites providing information on sourcing green energy technologies, switching to Green Energy suppliers and making green energy audits/assessments:

• Energy Efficiency Advice Centre
  just how efficient are your machines in your household? This site will help you make an assessment.
• Energy Saving Trust
  a non-profit organisation that provides free impartial advice on energy efficiency & conservation
• Energy Saving World
  claims to be the one stop shop for all your energy saving products and gizmos
• Good Energy
  the 100% renewable electricity supplier - committed to supporting independent renewable generators
• Green Energy
  independently owned British electricity supplier that offers the first 100,000 customers will be given the option to receive fully paid up shares in Green Energy (UK) plc.
• Green Helpline
  use this website to help you switch and save on gas and electricity bills - impartial and free!
• Solar Trade Association
  Trade association representing the interests of manufacturers and installers of solar energy technology.