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Office of Energy Efficiency and Renewable Energy

Agency overview
Formed	1981; 45 years ago (1981)
Superseding agency	Office of Conservation and Renewable Energy
Jurisdiction	United States Government
Headquarters	Washington, D.C.
Agency executive	Kelly Speakes-Backman, Acting Assistant Secretary[1]
Parent department	United States Department of Energy
Website	energy.gov/eere

TheOffice of Critical Minerals and Energy Innovation (MESC) formerly known as theOffice of Energy Efficiency and Renewable Energy (EERE) is an office within theUnited States Department of Energy. Formed from other energy agencies after the1973 energy crisis, EERE is led by the Assistant Secretary of Energy Efficiency and Renewable Energy (Assistant Secretary), who is appointed by thepresident of the United States and confirmed by theU.S. Senate. Alejandro Moreno currently leads the office as the Acting Assistant Secretary.^[2]

EERE’s mission is to drive the research, development, demonstration, and deployment of innovative technologies, systems, and practices that will:

• Help transition Americans to a 100% clean energy economy no later than 2050 and
• Ensure the clean energy economy benefits all Americans.

EERE has been established from several previous agencies within the United States Executive branch following the1973 energy crisis. It has foundations in the former agenciesFederal Energy Administration, theEnergy Research and Development Administration, the Energy Resource Council, and theAtomic Energy Commission, all established prior to the establishment of Department of Energy (DOE) in 1977 (Pub. L. 95–91, 91 Stat. 565, enactedAugust 4, 1977).^[3] The 1978National Energy Act consolidated several of the former agencies into the DOE and created an office that focused onenergy efficiency and renewable fuels. Since 1978, the office has been renamed several times to reflect its changing scope, including the following:

• The Office of Conservation and Solar Applications (CSA)
• The Office of Conservation and Solar Energy (CSE)
• The Office of Conservation and Renewable Energy (CRE)
• The Office of Energy Efficiency and Renewable Energy (EERE), adopted in 1993.

In November 2025, the DOE under the Trump administration released an organizational chart replacing the EERE with the Office of Critical Minerals and Energy Innovation (CMEI).^[4][5] This renaming convention eliminates the phrase "renewable energy," mirroring therenaming of the National Renewable Energy Laboratory in December 2025. This word choice is in line with theTrump administration's documented censorship efforts.^[6]

The Assistant Secretary of Energy Efficiency and Renewable Energy oversees EERE's three technology sectors:

• Renewable energy,
• Sustainable transportation
• Energy efficiency

Within these sectors are 11 technology offices and programs that support research, development, and outreach efforts [EERE Organization Chart]. EERE also includes corporate support functions such as the Office of Principal Deputy Assistant Secretary and the Office of Operations.

EERE develops initiatives and programs and provides funding to advance clean energy technologies and integration strategies. EERE oversees the management and operation of theNational Renewable Energy Laboratory and provides funding to 12 of the U.S. Department of Energy’s national laboratories:

• Argonne National Laboratory
• Brookhaven National Laboratory
• Idaho National Laboratory
• Lawrence Berkeley National Laboratory
• Lawrence Livermore National Laboratory
• Los Alamos National Laboratory
• National Energy Technology Laboratory
• National Renewable Energy Laboratory
• Oak Ridge National Laboratory
• Pacific Northwest National Laboratory
• Sandia National Laboratories
• Savannah River National Laboratory

• TheVehicle Technologies Office supports the research, development, and deployment of efficienttransportation technologies such asplug-in electric vehicles,batteries, electric drive technologies, advanced combustion engines, lightweight materials,^[7] and alternative fuels, including natural gas and propane.^[8]
• TheBioenergy Technologies Office supports research, development, and deployment projects for advancedbiofuels.^[9]
• TheHydrogen and Fuel Cell Technologies Office conducts research, development, and deployment inhydrogen andfuel cell technologies.^[10]

• TheSolar Energy Technologies Office, also known as the SunShot Initiative, funds cooperative research, development, demonstration, and deployment projects by private companies, universities, state and local governments, nonprofit organizations, and national laboratories. It focuses onphotovoltaics,concentrating solar power, soft costs (the non-hardware costs of solar), commercializing technologies, and integrating solar with the grid.^[11]
• TheGeothermal Technologies Office supports research and development forgeothermal technologies.^[12]
• TheWind Energy Technologies Office conducts research and development activities in land-based andoffshore wind power and works with national laboratories, universities, laboratories, and industries.^[13]
• TheWater Power Technologies Office researches, tests, evaluates, and developshydropower andhydrokinetic energy technologies.^[14]

• TheBuilding Technologies Office supports research, development, and deployment activities to reduce energy use in U.S. buildings. The office's long-term objective is to reduce the energy use intensity of homes and commercial buildings by 50% or more.^[15]
• TheFederal Energy Management Program seeks methods and technology to reduce energy use and increase the use of renewable energy at federal agencies.^[16]
• TheAdvanced Manufacturing Office works with industry, small business, universities, and other stakeholders and supports research into energy-efficient technologies for industries.^[17]

TheWeatherization and Intergovernmental Programs Office is one of the primary forums for helping state and local governments implement cost-effective and productive energy systems for American homes, communities, businesses, and industries. The program's mission is to enable strategic investments in energy efficiency and renewable energy technologies and innovative practices across the U.S. by a wide range of government, community and business stakeholders, in partnership with state and local organizations and community-based nonprofits. WIP is made up of two programs focused on state and local governments and two teams that develop and deliver targeted technical assistance and strategic initiatives to state and local governments.^[18]

• The State Energy Program (SEP) provides funding and technical assistance to states, territories, and the District of Columbia to enhance energy security, advance state-led energy initiatives, and maximize the benefits of decreasing energy waste. SEP emphasizes each state's key role as the decision maker and administrator for program activities within the state that are tailored to their unique resources, delivery capacity, and energy goals.^[19]
• TheWeatherization Assistance Program (WAP) reduces energy costs for low-income households by increasing the energy efficiency of their homes, while ensuring their health and safety. The program provides funding to states and territories for locally-run weatherization services to approximately 35,000 homes every year. States contract with community action agencies, non-profits, and local governments that use in-house employees and private contractors to deliver services to low-income families. WAP has served more than 7 million families since program inception in 1976.^[20]
• The Partnerships and Technical Assistance Team (P&TA) serves as the nexus of state and local governments to catalyze lead-by-example programs by developing tools and solutions to barriers facing state and local governments; convening and creating peer exchanges to showcase public-sector leadership and effective public-private partnerships; and providing information from leading technical experts. P&TA cultivates diverse partnerships and provides technical assistance through initiatives that include the Better Buildings Challenge, Better Communities Alliance, and Better Buildings Accelerators.^[21]
• The Strategic and Interagency Initiatives team leads inter-organizational initiatives that provide states and local governments technical assistance to help underserved communities have access to more energy choices. DOE's Clean Energy for Low Income Communities Accelerator and Remote Alaskan Communities Energy Efficiency Competition initiatives demonstrate replicable, scalable models that address barriers to energy efficiency and renewable energy access in low and moderate income communities.^[22]

EERE manages the Energy Saver website that promotes energy-efficient technologies for heating, cooling, and weatherizing buildings and lists tips for saving electricity and fuel.^[23]

The Office of EERE sponsors several activities aimed at public outreach and engagement in energy efficiency and renewable energy technologies.

TheSolar Decathlon is a competition held every other year where collegiate teams design, build, and operate solar-powered houses. The competition winner is the team that best blends affordability, consumer appeal, and design with optimal energy production and maximum efficiency. These homes are judged in 10 contests.^[24]

In the EcoCAR 3 challenge, 16 university teams redesign a Chevrolet Camaro to reduce its environmental impact without reducing its performance. It is sponsored by DOE and General Motors and managed by Argonne National Laboratory.^[25]

The Race to Zero Student Design Competition teaches college students about the building science field by challenging them to design zero energy ready homes.^[26]

In the BioenergizeME Infographic Challenge, students in grades 9-12 use technology to research, interpret, apply, and then design an infographic that responds to one of four cross-curricular bioenergy topics.^[27]

The Collegiate Wind Competition is a contest where college teams are judged by their ability to design a wind turbine based on market research, develop a business plan to market the product, build and test the turbine against set requirements, and demonstrate knowledge of siting constraints and location challenges for product installation.^[28]

In partnership with the Center for Advanced Energy Studies and the Idaho National Laboratory, the Geothermal Technologies Offices hosts a competition for high school and university teams. Teams of two to three members research data, interpret information, and design an infographic that tells a compelling story about the future of geothermal energy.^[29]

The Hydrogen Student Design Contest "challenges undergraduate and graduate students worldwide to apply design, engineering, economic, environmental science, business and marketing skills to the hydrogen and fuel cell industries."^[30]

In the Georgetown University Energy Prize competition, cities and counties with populations between 5,000 and 250,000 compete for a multi-year $5 million prize for demonstrating energy use reduction over a two-year period.^[31]

The Cleantech University Prize provides competitive funding for business development and commercialization training to clean energy entrepreneurs.^[32]

The Wave Energy Prize is aims to increase the number of organizations involved inwave energy converter technology development.^[33] In 2016, 92 registered teams competed not only for the $1.5 million prize, but for opportunities at seed funding and access to testing facilities, experts in the field, and an online "marketplace" that connected teams, investors, and contributors.^[34]

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• 1973 oil crisis
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