EERE's Geothermal Technologies Program works in partnership with U.S. industry to establish geothermal energy as an economically competitive contributor to the U.S. energy supply.

For more information on the Geothermal Technologies Program's key activities, see the Program Fact Sheet (PDF 298 KB) Download Acrobat Reader.

What is Geothermal Energy?

The Mammoth Pacific geothermal power plant, in northern California.

• Geothermal basics, FAQs, history, glossary, etc.
• Links for homeowners, industry and education
• Energy systems, exploration and drilling, and geoscience
• GeoPowering the West
• Power plants, direct use, and heat pumps
• Environmental impacts
• Economic impacts
• Laws and standards

Printable Version

How an Enhanced Geothermal System Works

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View our animation to learn how enhanced geothermal systems can vastly increase geothermal resources used for power production.

Information on the US Navy's Geothermal Program, A GAO Report (PDF 1.8 MB) Download Arobat Reader.