Britannica AI Icon
Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

U.S. Department of Energy

United States government
Also known as: DOE

News •

New Mexico officials push feds to move faster to clean up Los Alamos chromium plume • Nov. 6, 2026, 1:35 AM ET (Sante Fe New Mexican)
SRS emergency resolved, shift workers should report as usual • Oct. 28, 2026, 10:00 PM ET (The Charleston Post and Courier)
DOE approves Savannah River plutonium project construction • Oct. 20, 2026, 1:15 AM ET (Sante Fe New Mexican)

U.S. Department of Energy (DOE), executive division of the U.S. federal government responsible for administering national energy policy. Established in 1977, it promotes energy efficiency and the use of renewable energy. Its national security programs serve to develop and oversee nuclear-energy resources. Its Office of Environmental Management oversees waste management and cleanup activities at inactive facilities. The Fossil Energy Office develops policies and regulations concerning the use of natural gas, coal, and electric energy. Its regional power administrations transmit electric power produced at federal hydroelectric projects.

The Editors of Encyclopaedia Britannica This article was most recently revised and updated by Tracy Grant.