Facility of the U.S. Department of Energy (DOE) for renewable energy and energy efficiency research, development and deployment.

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

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

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

Provides information on several types of renewable energy resources in the United States, in the form of publications, data, and maps. An extensive dictionary of renewable energy related terms is also provided.

Information about research 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.

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

Research, consulting and teaching group of the De Montfort University, U.K. Includes teaching aspects and research activities.

Discusses the environmental factors and benefits of wind turbines and solar panels compared to solar cells.

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.