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Head and shoulders shot of Alex Fitzsimmons, chief of staff in EERE.
U.S. Department of Energy

Alex Fitzsimmons is the Deputy Assistant Secretary for Energy Efficiency in the Office of Energy Efficiency and Renewable Energy (EERE). In this role, Alex leads a diverse energy efficiency program and R&D portfolio that includes advanced manufacturing, building technologies, federal energy management, low-income weatherization, and intergovernmental partnerships.

As part of senior leadership, Alex advances administration priorities and initiatives to improve the energy efficiency of America's homes and businesses and to strengthen the energy competitiveness of the U.S. manufacturing sector. In his capacity as DAS-EE, Alex is advancing key initiatives on energy storage, plastics recycling, critical minerals, water security, and field validation.

Prior to becoming Deputy Assistant Secretary for Energy Efficiency, Alex served as the Chief of Staff to the Assistant Secretary for Energy Efficiency and Renewable Energy.

Before joining the Department of Energy, Alex worked on energy policy for a variety of D.C.-based organizations, including the Institute for Energy Research, where he served as the Policy Director managing energy and environmental issues at the state and federal level.

Alex is a graduate of The George Washington University in Washington, D.C.

Most Recent

How Florida’s Premier University Strives to Improve our Energy Futures
October 29, 2020
Blog authored Deputy Assistant Secretary for Energy Efficiency, Alex Fitzsimmons.
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DOE Launches New Pilot Program to Validate Emerging Industrial Technologies
October 29, 2020
Blog authored by Alex Fitzsimmons, Deputy Assistant Secretary for Energy Efficiency.
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The Plastics Innovation Challenge: DOE’s Vision for American Leadership in Plastics Recycling
October 15, 2020
A by Alex Fitzsimmons, Deputy Assistant Secretary for Energy Efficiency, U.S. Department of Energy
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Can Connected Communities Solve Grid Challenges At-Scale? Let’s Find Out.
October 12, 2020
Deputy Assistant Secretary for Energy Efficiency Alex Fitzsimmons Blog on Connected Communities FOA
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The Faces of Modern Manufacturing
October 1, 2020
These new technologies are not just improving plants and processes—they are shaping modern manufacturing careers.
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DOE’s 50001 Ready Supports Energy Efficiency in the Automotive Industry
July 16, 2020
General Motors has attained the U.S. Department of Energy’s 50001 Ready status at twenty five of its U.S.-based plants.
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Beyond Efficiency: The Benefits of High-Impact Buildings Technologies in the Public Sector
June 26, 2020
EERE recently launched new initiatives focused on technology field validation, the testing of near-commercial-ready technologies.
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Grid-interactive and Efficient Buildings are Emerging as Dynamic Solutions to Many Energy Challenges
March 27, 2020
Grid-interactive and Efficient Buildings are Emerging as Dynamic Solutions to Many Energy Challenges
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2019 Federal Energy and Water Management Awards
November 18, 2019
2019 Federal Energy and Water Management Award winners will help federal agencies achieve their missions.
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