National Renewable Energy Laboratory (NREL) - U.S. DOE facility for renewable energy and energy efficiency research, development, and deployment. (Solar, wind, water power, geothermal, energy from plants.)

Renewable Energy Advocates - Features daily news, renewable energy business contacts database, fact sheets, research papers, bookstore, search engines, and policy advocacy.

The Source for Renewable Energy - A comprehensive guide to over 2800 renewable energy related businesses and organizations around the world.

Solstice: Sustainable Energy and Development Online - Internet information service of the Center for Renewable Energy and Sustainable Technology (CREST).

Center for Energy Efficiency and Renewable Technologies - News and information about clean power. CEERT campaigns cover a wide range of issues, such as sustainable electrical generation policies throughout the West, clean vehicles and energy efficiency and conservation.

Renewable Energy Advocates: Common Purpose - A nonprofit organization focusing on promoting solutions to environmental problems through Renewable Energy. Volunteer opportunities

Science and Technology at Natural Resources Canada: Energy technology - emphasis on renewable energy technologies and energy for remote communities. Topics include photovoltaics.

Renewable Energy Europe - EuroRex - Commercial, investment, export, country and technology information with up-to-date news on sustainable and alternative energy developments in Europe and the rest of the world. Some info is free, other material requires paid subscription.

Northwest Energy Solutions - Information and products for establishing renewable/alternative energy generation and utilization systems: solar lighting, solar electric, wood stoves, hydropower generators, and related.

Energy and Semiconductor Research, University of Oldenburg, Deutschland - Carries out education and fundamental and applied research in Renewable Energy and Semiconductor Physics. Since 1980 the research activities have focus on conversion and utilisation of renewable energies, including wind energy, photovoltaics, solar energy systems, and energy meteorology. Deutsch, English.

CleanEnergy - Worldwide directory of clean and renewable energy related companies, products and news (biomass, photovoltaic, solar thermal, hydrogen, wind, geothermal, fuel cell). Languages: English, Deutsch.

Solardome - renewable energy education themepark covering wind, solar, and thermal energy.

Renewable Energy Information - SolarAccess.com is an internet portal for renewable energy information. Search our renewable energy business directory, participate in a live products auction, get the latest solar energy news, look for a job in windpower or shop in our on-line store.

New and Renewable Energy: Prospects for the 21st Century - Report by UK Dept. of Trade and Industry.

Renewables for Sustainable Village Power (RSVP) - The National Renewable Energy Laboratory's Renewables for Sustainable Village Power Program provides information to assist in the implementation of renewable energy solutions for rural electrification.

Renewable Energy in California - California Energy Commission's information site for Californians who now have the power to choose a renewable electricity provider as the state deregulates the electricity industry.

Solar Today Magazine - Bi-monthly magazine that covers all renewable energy technologies, including photovoltaics, passive solar and other climate-responsive building, and wind power.

Montana Green Power - Information on solar, wind, geothermal and other renewable energy technologies and utility restructuring in Montana.

State Energy Alternatives - Information on U.S. state renewable energy resources, state electricity sectors, renewable energy technologies, and state policy options for renewable energy.

Solar Energy International - Renewable Energy Education for Sustainable Development. Teaches people the practical use of renewable energy technologies, including electricity from sun, wind or water.

Hawaii's Renewable Energy Resource Assessment - Assessment of Hawaii's resources (wind, solar, biomass, hydroelectric, OTEC, geothermal, wave) includes site and technology-specific costs and uses EPRI cost methodology to identify feasible renewable energy projects.

Renewable Energy World - Magazine. Site has selected articles, abstracts and links to other renewable energy information sources.

China Renewable Energy Information Network - Network in new and renewable energy field. Information is available on solar, wind, biomass, geothermal, ocean, hydrogen and small hydro renewable energy resources. A Chinese version is also available.

UC Solar Barbara - A proposal for solar power at UC Santa Barbara. This site gives information on energy usage, conservation and suggested installations.

Conservergy Alternate Energy - Conservergy is an innovative and effective energy solutions company, a company that provides answers for the smallest to the largest of needs. The site provides information and links that will connect you to the world of alternative energy, equipment, systems and experts.

HCI Publications - Hydro information, water power magazines, hydropower newsletters, conferences, books, North American hydro market, business and regulatory news, plant management, sustainable and renewable energy.

Regenerative Power and Motion - White papers discussing several concepts for innovative and renewable energy, including on-site solar/wind powered buildings, flywheels, and electric highways for high-performance EVs.

Innovative Technology Centre, De Montfort University (Lincolnshire, UK) - Conducts research and development into renewable energy, including biogas, wind, and combined heat and power. They run a Hybrid Renewable Energy System that consists of an anaerobic digester, gasification unit and wind turbine.

Renewable Energy - About.com - An index to renewable energy information on the internet.

Solutions for the Environment - Interactive, multimedia information resource tools covering all areas of renewable energy technologies. Some information content is available free on website.

REGA - Renewable Energy Generators of Australia Ltd - Consortium supporting the development of generation of electricity from renewable resources, including wind and hydroelectric.

Renewable Energy Multimedia System - Data bank from European renewable energy programs on photovoltaics, biomass, wind energy and solar thermal energy. Hosted by Ireland's ICT research centre.

On-site Solar and Wind Power - Tutorial explaining how to estimate power and energy yields of building-integral on-site solar and wind power conversion installations.

Australian Renewable Energy - This site is published by the Australian Greenhouse Office to promote the use of renewable energy and develop the Australian Renewable Energy Industry.

Renewables in India - Information on the renewable energy sector in India, including present status and future potential of various technologies.

Planetary Engineering Group Earth - An eclectic collection of information and advocacy materials related to solar power, other renewable energy sources, and concepts for reducing energy use.

Wind From The Sun - Information about a new technology using the sun's energy to generate wind power.

Energy Ideas Clearinghouse - information resource - Offers content-rich databases for technical information on renewable energy regarding solar, biomass, geothermal, distributed generation, wind, hydro and other renewable resources.

The G8 Renewable Energy Task Force - Established to identify the main barriers to the use of renewable sources of energy, particularly in developing countries where 2 billion people do not have access to reliable sources of energy.

ABS Alaskan - General background and basic technical information about a variety of renewable energy sources, from solar panels to fuel cells.

Interstate Renewable Energy Council - U.S. non-profit organization committed to accelerating the sustainable utilization of renewable energy. Information about incentives and other programs to encourage use of solar and other renewable energy.

Renewables Fuel Page - A site by the Energy Information Administration of DOE. Provides information on renewable fuels in the farm of data, charts and tables.

Database of State Incentives for Renewable Energy - Information on U.S. state and federal tax incentives for solar electric and other renewables, alternative-fuels vehicles, and energy conservation. Searchable database.

Mark Snyder Electric - Design your own alternative energy system. Informational resources on solar, hydro and wind energy systems.

Planet247 - This site exists to promote the use of renewable power and distributed generation technologies.

EUROISLAS - New and Renewable Energy Sources for Islands and Remote Regions - European project that studies sustainable energy scenarios.

solarenergy.com - Everything Under The Sun - Solar snergy, wind turbines, PV power panels, water & swimming pool heating, photovoltaics, batteries, inverters and complete systems.

Otherpower.com - Information on wind, solar, and other alternative energy sources - This web site is devoted to alternative energy, including solar, wind, water, internal combustion, efficient lighting and energy conservation.

SolarFest - SolarFest is a solar powered music festival and renewable energy fair located in Vermont.

Sustainable Energy Development - The Research Group on Sustainable Energy Development of Instituto Superior Técnico (Technical University of Lisbon) comprises specialists in the areas of convective and radiative heat transfer, combustion and energy. This group has large experience in the field of mathematical modelling of combustion chambers and its application to industrial sectors, such as glass, ceramic, cement, baking, steel and electricity producers.

Redjellyfish.com: Clean Energy - News, feature stories, and web links (mostly to commercial sites) related to renewable energy technologies.

Alternative Fuels - Overview of several types of alternative energies, detailing their physical structures, uses, availability, efficiencies, and disadvantages.

Atlas of Renewable Energy - Geographical maps and other information about renewable energy generation all over the world. The atlas is in three languages: English, French and German.

Sandia National Laboratories - Renewable Energy Technologies - The purpose of the Renewable Energy Technologies Division at Sandia National Laboratory is to develop commercially viable energy technologies based on solar, wind, and geothermal resources that become significant domestic and international energy supplies, with a primary focus on the utility sector.

Green Energy News - Recent business and technology developments in clean, efficient and renewable energy for transportation, industry, government and home.

REFOCUS - The international renewable energy magazine of the International Solar Energy Society.

Institute of Electrical Power Engineering - Renewable Energy Section - Renewable energy education using the Interactive Learning System for Renewable Energy (ILSE). Technical University of Berlin site in English.

Renewable Energy News - News from all over the world about wind, solar and water power, and links to renewable energy organizations.

Altogether Energy - An e-zine for anyone and everyone with an interest in energy and renewable energy.

Renewable Energy - The Infinite Power of Texas - Site dedicated to educating Texans about the potential and the benefits of renewable energy. Contains information about renewable energy technologies, economics, and Texas projects.