Our Impact

February 12, 2021

“By convening conversations, conducting policy analyses, sharing our research, advising policymakers, and educating consumers and businesses, ACEEE commits to serve as a catalyst and agent for the systemic transformation necessary to address climate change.”

ACEEE’s Call to Action for Energy Efficiency

View our Call to Action

Through energy efficiency, the United States can halve domestic energy use and associated greenhouse gas emissions by 2050. This ambition, vital to preventing the worst effects of climate change, will not be realized without bold mobilization of efficient technologies and strategies. ACEEE is committed to meeting this urgent challenge. Our Call to Action lays out our vision for tackling climate change and the milestones we aim to reach by 2030. We document our progress to meeting those objectives in our annual report and other impacts highlighted here.


Recent Highlights

  • Federal legislation

    In 2021, ACEEE developed new proposals, analyzed impacts, and worked with committees and members in both the House and the Senate to include major investments in energy efficiency in federal legislation.

    ACEEE helped enact policies on low-income weatherization, smart manufacturing, worker training and small business assistance, charging infrastructure for electric vehicles, and improved freight efficiency in the bipartisan Infrastructure Investment and Jobs Act.

    The pending Build Back Better Act also features major ACEEE priorities, from decarbonization of manufacturing technologies to home energy retrofits and zero-energy buildings to tax credits for medium- and heavy-duty electric vehicles. 

  • Energy equity

    U.S. Representative Sarbanes (D-MD) cited our research on energy burdens to call for clean energy investments to help consumers lower energy costs amid the COVID-19 pandemic and recession.

    We testified before the Subcommittee on Energy of the U.S. House Committee on Energy and Commerce on the findings of our report How High are Household Energy Burdens?.

  • Buildings

    Nora Wang Esram, ACEEE's senior director for research, addressed a House panel on expanding the research and development of energy-efficient building technologies. Read her testimony.

  • Appliance standards

    The Appliance Standards Awareness Project (ASAP), based at ACEEE, helped push through state bills that set energy-saving standards for appliances recently in Massachusetts, Nevada, Oregon, Rhode Island, Maine, New Jersey, Maryland, and Washington.

    Andrew deLaski, executive director of ASAP, recently testified before Congress in support of bills to add flexibility to the Weatherization Assistance Program and to clarify water heater standards while authorizing demand response requirements. 

ACEEE in the News

A few of our favorite media highlights from the past month:

  • ACEEE’s response to the historic climate bill was cited by Bloomberg News and USA Today.
  • The Washington Post quoted Steven Nadel in an article on demand response programs.
  • Senior transportation research analyst Peter Huether’s analysis of the importance of efficiency in electric vehicles was published by GreenBiz and cited by Jalopnik.


ACEEE is needed more than ever on our carbon-challenged planet, so let’s do everything we can to make its next 40 years even more productive.”

—Dan Reicher, executive director of Stanford University’s Steyer-Taylor Center for Energy Policy and Finance

 ACEEE has played an indispensable role in tracking [efficiency] progress, pointing to challenges and opportunities and keeping our eye on the prize: getting the biggest bang out of every dollar spent on energy.”

—Susan Tierney, senior advisor, Analysis Group

“For more than 10 years, ACEEE has been my go-to source for in-depth research, thought leadership, and industry connections for all things energy efficiency.”

—Pete Curtice, CEO, American Efficient

“For new energy approaches to thrive, it’s vital to have strong policy and technical analysis, credible research, and collaborative outreach. ACEEE provides that support and much more.”

—James J. Judge, chairman, president, and chief executive officer, Eversource Energy

“We're really, really proud of ACEEE for this increased emphasis on equity and how important it is.”

—Maribeth DeLorenzo, sustainability director of the District of Columbia


2021 Annual Report

Congressional Testimony

View ACEEE Testimony

Where We've Been

  • 2010–2019
    • Helped set new U.S. product efficiency standards, which will avoid three billion metric tons of carbon dioxide emissions by 2030 and save hundreds of billions of dollars.
    • Led efforts to hike heavy-duty vehicle fuel economy standards, which will reduce average fuel consumption and greenhouse gas emissions of new trucks and buses by 37% from 2010 levels.
  • 2000–2009
    • Led efforts to establish CAFE provisions (2007) and heavy-duty fuel economy standards, spurring an increase in the average new car’s fuel economy from 20.6 miles per gallon in 2007 to 24.9 mpg in 2017, to a projected 36.0 mpg in 2025.
    • Led efforts to expand appliance standards to 23 additional products, including light bulbs, through 2005 and 2007 U.S. legislation.
  • 1990–1999
    • Helped launch the voluntary ENERGY STAR® program, which helps consumers find energy-efficient products and improves the efficiency of buildings and homes.
    • Led efforts to include lamp, motor, and HVAC standards in the Energy Policy Act of 1992, which will achieve cumulative energy bill savings of $340 billion by 2035.
  • 1980–1989
    • Led efforts to develop and adopt U.S. energy efficiency appliance standards, which now save a typical household about $500 each year on utility bills.
    • Played key role in defending and expanding the Department of Energy’s energy R&D programs.
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