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Headshot of Daniel Simmons, Assistant Secretary for the Office of Renewable Energy and Energy Efficiency.
U.S. Department of Energy

In his role as Assistant Secretary for the Office of Energy Efficiency and Renewable Energy (EERE), Daniel R Simmons leads EERE to promote affordable and reliable energy to enhance America’s economic growth and energy security. He oversees technology development in the energy efficiency, renewable power and sustainable transportation sectors.

Before joining the U.S. Department of Energy, Daniel served as the Institute for Energy Research’s Vice President for Policy, overseeing its energy and climate policy work at the state and federal level.

He previously served as the director of the Natural Resources Task Force of the American Legislative Exchange Council, was a research fellow at the Mercatus Center and worked as professional staff on the Committee on Resources of the U.S. House of Representatives.

He is a graduate of Utah State University and George Mason University School of Law.

Most Recent

Why Manufacturing Matters: Driving American Manufacturing through Energy Innovation
October 2, 2020
On the first Friday of October, we at the Department of Energy join millions of Americans throughout the nation in celebrating Manufacturing Day.
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USGS and EERE: Collaborating to Strengthen America’s Energy and Resource Independence
September 16, 2020
EERE and USGS are improving energy integration, affordability, and diversity, and providing Americans with reliable energy and mineral resources.
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All the Benefits, None of the Waste
April 22, 2020
Through a DOE initiative, top researchers are pursuing a continuous lifecycle for plastics that will help put an end to plastic waste one day.
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Energy Department Manufacturing Traineeship Develops and Scales Protective Equipment Production for Local Medical Community
April 20, 2020
America is working together to support the healthcare professionals on the front lines of the coronavirus response.
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Helping Drive Domestic Manufacturing
April 7, 2020
A top priority for EERE is supporting game-changing manufacturing innovations across multiple sectors, including American solar panel manufacturing.
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Prizes Powered by the Ocean
February 19, 2020
Last fall I participated in the White House Summit on Ocean Science and Technology, where leaders discussed advancing ocean energy technologies.
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American-Made Network: Launching Innovations
December 9, 2019
One of the ways the Energy Department is driving innovation in the solar technologies is through prizes such as the American-Made Challenges.
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Manufacturing Water: The Next Big Challenge
October 31, 2019
EERE has launched a number of efforts to increase access to clean and affordable water
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Advancing U.S. Battery Manufacturing and a Domestic Critical Minerals Supply Chains
October 4, 2019
Advancing U.S. Battery Manufacturing and a Domestic Critical Minerals Supply Chains
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