The U.S. Department of Energy (DOE) Geothermal Technologies Office (GTO) researches, develops, and validates innovative and cost-competitive technologies and tools to locate, access, and develop geothermal resources in the United States.
The National Renewable Energy Laboratory (NREL) develops renewable energy and energy efficiency technologies and practices, advances related science and engineering, and transfers knowledge and innovations to address the nation's energy and environmental goals.
The NREL website includes tools such as Geothermal Prospector which will guide you through the geothermal development process, and System Advisor Model which will estimate your project cost based on fluid flow, temperature, etc.
The U.S. Department of Energy Information Administration (EIA) has a vast amount of data, reports, forecasts, analytical content, and documentation to assist researchers working on energy topics.
The Geothermal Energy Association (GEA) is a trade association composed of U.S. companies who support the expanded use of geothermal energy and are developing geothermal Resources worldwide for electrical power generation and direct-heat uses.
Geothermal Resources Council (GRC) is a professional educational association for the international geothermal community. Included on their website is the Geothermal Library.
The Geothermal Resources Council (GRC), Geothermal Energy Association (GEA), and Geothermal Exchange Organization (GEO) have started releasing State-by-State Guides to Geothermal Energy Potential.
The Oregon Institute of Technology Geo-Heat Center provides technical assistance and information to those interested in geothermal energy systems.
The Energy Story is a twenty-chapter story about different energy types and their uses. It effectively introduces every kind of alternative fuel source.
The Union of Concerned Scientists (USC) is a non-profit association of over 100,000 scientists and citizens with concerns about the environment and world.
International Geothermal Association website contains extensive information about geothermal energy around the world. A great source for finding publications, photographs, and data about geothermal efforts world-wide.
The International Heat Flow Commission has a Global Heat Flow Database.
Canadian Geothermal Energy Association (CanGEA) is the collective voice of Canada’s geothermal energy industry with a focus on the power generation from geothermal energy resources and industry-scale direct use.
European Geosciences Union (EGU) is dedicated to the pursuit of excellence in the geosciences and the planetary and space sciences for the benefit of humanity, worldwide.