U.S. Department of Energy web site for information on energy efficiency and renewable energy technologies.

Devoted to alternative energy, including solar, wind, water, internal combustion, efficient lighting and energy conservation.

U.S. DOE facility for renewable energy and energy efficiency research, development, and deployment. (Solar, wind, water power, geothermal, energy from plants.)

Articles and questions and answers on wood stoves, gas stoves, fireplaces, pellet stoves and heating.

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

Information, pictures, links and many plans for building different kinds of solar ovens.

Canadian site on Wind Energy; in French

The joys of wood heat.

Hands-on journal of home-made power, with articles about people living off-grid, how-to resources on solar, wind, and other renewable technologies, and related content. Payment required for access to archived articles.

Research, training programs, and information about photovoltaic technology, other solar applications, energy-efficient building strategies, and related topics.

Independent and timely information on solar energy; including industry statistics, monthly solar product price surveys, technologies, and world wide listing of companies.

Information about the scientific, technical, economic, social, and environmental effects of completing the Three Gorges dam in China, as well as the alternatives to the dam.

Biodiesel (mono alkyl esters) is a cleaner-burning diesel fuel made from natural, renewable sources such as vegetable oils.

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

Established and supported under the Australian Research Council`s Research Centres Program. Includes information files, especially on the more technical issues of solar. (formerly the Centre for Photovoltaic Devices and Systems)

Independent information on solar systems: products, prices, sales outlets, DIY design and sizing, solar electricity and solar hot water systems world wide.

Information about Canadian government initiatives to investigate and promote renewable energy technologies.

Information on the DOE wind and hydro energy program, wind power projects, wind turbine technology and research, and wind energy basics.

The largest, oldest, and most comprehensive technical body dealing with the technology and implementation of renewable energy. Promotes research and advocacy on solar electric technologies.

Ethanol fuels, ethanol from wastes, and biodiesel.

Edinburgh company planning to install two 375kw Pelamis devices which are semi-submerged, articulated structures composed of cylindrical sections linked by hinged joints in Machir Bay, Islay for power generation.