We have put together a page of links - please let us know if you would like to include any others:
Community Energy England: http://communityenergyengland.org
DECC: https://www.gov.uk/government/organisations/department-of-energy-climate-change
Energy Saving Trust: http://www.energysavingtrust.org.uk
Regen SW: http://www.regensw.co.uk
Which? Switch: http://switch.which.co.uk/energy-advice/guide-to-switching-supplier.html
Communities for Renewables http://www.cfrcic.co.uk/
Centre for Sustainable Energy http://www.cse.org.uk/
Local organisations