Department of Energy

American  

noun

1. the department of the U.S. federal government that sets forth and maintains the national energy policy, including energy conservation, environmental protection, etc. DOE

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Department of Energy Cultural  

1. A department of the federal executive branch responsible for developing policies for effective use of the nation's energy resources. The Department of Energy is involved in energy conservation, regulating oil pipelines, and encouraging research on new sources of energy.

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Example Sentences

The research was supported by the Department of Energy and the National Science Foundation.

From Science Daily • May 29, 2026

The Department of Energy thinks we need 7,500 miles of incremental grid by the end of this decade.

From Barron's • May 15, 2026

The Department of Energy ordered utility company CenterPoint Energy to keep open an old Indiana coal plant open.

From The Wall Street Journal • Apr. 23, 2026

That assistance arrived on March 13 from the Department of Energy, which invoked the Cold War-era Defense Production Act in ordering oil production from Sable’s offshore platforms and its pipelines to resume immediately.

From Los Angeles Times • Apr. 21, 2026

Flying covertly for the Department of Energy, the plane carried some of the most technologically advanced infrared cameras.

From "Mountain of Fire" by Rebecca E. F. Barone