Some to start with, will add/subtract as necessary ...
National - Energy and Renewables
US Department of Energy
http://www.energy.gov
http://www.energy.gov/sciencetech
http://www.energy.gov/energysources
http://www.energy.gov/pricestrends
Energy Information Administration EIA ***
(Historical data, reviews, prices and trends, etc.)
http://www.eia.doe.gov/emeu/aer
Energy Efficiency and Renewable Energy EERE
http://www.eere.energy.gov
National Renewable Energy Laboratory NREL
http://www.nrel.gov
http://www.nrel.gov/solar
http://www.nrel.gov/wind
http://www.nrel.gov/biomass
http://www.nrel.gov/geothermal
http://www.nrel.gov/hydrogen
Environmental Protection Agency – Clean Energy
http://www.epa.gov/cleanenergy
DTI Energy, Renewable Energy /UK
http://www.dti.gov.uk/energy
http://www.dti.gov.uk/renewables
The National Energy Foundation /UK
http://www.nef.org.uk
http://www.nef.org.uk/greenenergy/index.htm
The Carbon Trust /uk
http://www.thecarbontrust.co.uk
International and Regional - Energy and Renewables
EUROPA - EUROSTAT :
http://epp.eurostat.cec.eu.int/portal/page...&_schema=PORTAL
EC Director General for Energy and Transport:
Publications – annual energy reviews
http://europa.eu.int/comm/dgs/energy_trans...atistics_en.htm
Stats and Reports:
http://europa.eu.int/comm/dgs/energy_trans...es/index_en.htm
EC Director General for Energy and Transport - New and Renewable Energies
http://europa.eu.int/comm/energy/res/index_en.htm
http://europa.eu.int/comm/energy/res/publi...ns/index_en.htm
Community Research & Development Information Service CORDIS
http://cordis.europa.eu.int/en
A Global Overview of Renewable Energy Sources AGORES /EU
http://www.agores.org
http://www.agores.org/SECTORS
http://www.agores.org/ALTASP/Publicationshome.asp
International Energy Agency IEA (AIE)
http://www.iea.org
http://www.iea.org/Textbase/stats [energy statistics *** , also a subscription online stats service]
http://www.iea.org/Textbase/publications/free_all.asp [online PDF publications, cheers Riser]
World News Network - Energy Prices
http://money.wn.com/finance/showfutures
World-wide Information System for Renewable Energy
http://wire0.ises.org/wire/wire.nsf
Worldwatch Institute
http://www.worldwatch.org
http://www.worldwatch.org/topics/energy
http://www.worldwatch.org/pubs/pdf
Solar Energy
Solar Energy Industries Association
http://www.seia.org
Solar Photovoltaic Associations
British Photovoltaic Association PV-WEB
http://www.greenenergy.org.uk/pvuk2
European Photovoltaic Industry Association EPIA
http://www.epia.org
Solar Electric Power Association SEPA
http://www.solarelectricpower.org
Solar Thermal Associations
European Solar Thermal Industry Federation (ESTIF)
http://www.estif.org
[ Market Data: http://www.estif.org/139.0.html ]
Wind Energy Associations and Technology Centres
American Wind Energy Association AWEA
http://www.awea.org
British Wind Energy Association BWEA
http://www.bwea.com
European Wind Energy Association EWEA
http://www.ewea.org
Canadian Wind Energy Association CANWEA
http://www.canwea.ca/en/
Australian Wind Energy Association AUSWIND
http://www.auswind.org/auswea
National Wind Energy Technology Centre NWTC /US
http://www.nrel.gov/wind
CHP Associations
United States CHP Association USCHPA
http://uschpa.admgt.com
UK CHP Association CHPA
http://www.chpa.co.uk
Biomass Associations
European Biomass Association AEBIOM
http://www.aebiom.org
Bio-Energy Digital Library and Database
http://www.bioenergy-info.com/enindex.php
Fuel Cell Associations
US Fuel Cell Council
http://www.usfcc.com
Fuel Cells UK
http://www.fuelcellsuk.org
Small Hydro Power Associations
European Small Hydro Power Association ESHP
http://www.esha.be
British Hydropower Association BHA
http://www.british-hydro.org
International Association for Small Hydro IASH
http://www.iash.info