Under Secretary of Energy for Infrastructure

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Under Secretary of Energy
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Seal of the U. S. Department of Energy
Incumbent Preston Wells Griffith III since July 10, 2025
United States Department of Energy
Style	Mr. Under Secretary
Member of	Department of Energy
Reports to	Deputy Secretary of Energy
Seat	Washington, D.C., United States
Appointer	The president with advice and confirmation from the Senate
Term length	Appointed
Deputy	Associate Under Secretary
Website	Official website

The Under Secretary of Energy oversees the Department's energy and environment programs. The Under Secretary plays an instrumental role in the development of energy related research and development necessary to meet the United States' growing energy need and work to advance the nations energy and electricity security.

The Under Secretary of Energy is appointed by the President with the advice and consent of the Senate. The current under secretary is Preston Wells Griffith III, who was sworn in on July 10, 2025.^{[citation needed]}

No.	Portrait	Under secretary	Took office	Left office	Refs.
1		Robert G. Card	June 5, 2001	2004	[1]
2		David K. Garman	June 15, 2005	February 2007	[2][3]
acting		Dennis Spurgeon	May 2007	July 2007	[4][5]
3		Clarence H. Albright	August 3, 2007	January 20, 2009	[6][7]
4		Kristina M. Johnson	May 2009	October 2010	[8][9][10]
acting		Cathy Zoi	December 2010	2011	[11][12]
acting		David B. Sandalow	June 2012	January 20, 2013	[13][14][15]
5		Mark Menezes	November 6, 2017	August 4, 2020	[16][17][18]
acting		Kathleen Hogan	July 2022	June 13, 2023	[19][20][21]
6		David W. Crane	June 14, 2023	January 20, 2025	[22][23][24][25][26]
acting		Kathleen Hogan	January 20, 2025	July 10, 2025
7		Preston Wells Griffith III	July 10, 2025	Present	[27]

1. ^ "Robert G. Card - Under Secretary". DOE. Archived from the original on 2001-11-21.
2. ^ "David K. Garman". DOE. Archived from the original on 2005-09-17.
3. ^ "Leadership". DOE. Archived from the original on 2007-02-06.
4. ^ "Leadership". DOE. Archived from the original on 2007-05-10.
5. ^ "Leadership". DOE. Archived from the original on 2007-07-11.
6. ^ "C.H. "Bud" Albright, Jr". DOE. Archived from the original on January 9, 2009.
7. ^ "Leadership". DOE. Archived from the original on January 19, 2009.
8. ^ "Kristina M. Johnson". HuffPost.
9. ^ "Kristina M. Johnson, Under Secretary of Energy". DOE. Archived from the original on May 31, 2009.
10. ^ "Leadership". DOE. Archived from the original on May 27, 2010.
11. ^ "Cathy Zoi". DOE. Archived from the original on December 6, 2010.
12. ^ "Leadership". DOE. Archived from the original on December 15, 2010.
13. ^ "David Sandalow - Acting Under Secretary of Energy and Assistant Secretary for Policy & International Affairs". DOE. Archived from the original on June 1, 2012.
14. ^ "Leadership". DOE. Archived from the original on 2012-08-02.
15. ^ "Leadership". DOE. Archived from the original on January 19, 2013.
16. ^ "Mark W. Menezes". DOE. Archived from the original on December 8, 2017.
17. ^ "Leadership". DOE. Archived from the original on December 8, 2017.
18. ^ "Leadership". DOE. Archived from the original on January 20, 2021.
19. ^ "Kathleen Hogan". DOE. Archived from the original on July 30, 2022.
20. ^ "About Us". DOE. Archived from the original on July 30, 2022.
21. ^ "About Us". DOE. Archived from the original on July 1, 2023.
22. ^ "David Crane". DOE. Archived from the original on July 10, 2023.
23. ^ "About Us". DOE. Archived from the original on July 14, 2023.
24. ^ "About Us". DOE. Archived from the original on January 18, 2025.
25. ^ "David Crane Sworn in as Under Secretary for Infrastructure at the U.S. Department of Energy". OCED Updates. June 2023.
26. ^ Crane, David (January 21, 2025). "Exclusive: Former NRG CEO David Crane's farewell letter to his DOE colleagues". Trellis.
27. ^ Jordan, David (July 9, 2025). "Senate confirms Griffith as Energy undersecretary". Roll Call.

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