Publications and Resources

Featured Publications

Research Report U1907 - September 18, 2019

Energy efficiency can slash US energy use and greenhouse gas emissions by about 50% by 2050, getting us halfway to our national climate goals. We can achieve almost all these savings, worth more than $700 billion in 2050, by dramatically scaling up government policies and programs. This report...

Research Report U1904 - July 24, 2019

The City Clean Energy Scorecard measures the progress of city policies and programs that save energy, promote renewable energy, and reduce greenhouse gas emissions. It also focuses on efforts to embed equity in policymaking. We ranked 75 large US cities for their energy efficiency and...

Research Report U1902 - February 20, 2019

The lifetime of energy efficiency programs and measures ranges from a few months to several decades. Nevertheless, most energy efficiency policies are designed around the first year of savings. This report describes recent policy changes in some states and Canadian provinces to measure the value...

Research Report - October 24, 2017

Energy efficiency is a powerful tool for lowering the disproportionate energy costs faced by low-income customers. Unfortunately, lack of capital, lack of credit, and aging housing stock that may need health and safety improvements often prevent these consumers from taking advantage of low-...

Research Report - October 18, 2017

EM&V (evaluation, measurement, and verification) plays many critical roles in planning, developing, and deploying energy efficiency utility system resources—and those resources are evolving. This report identifies the states that are showing policy and institutional leadership in EM&V...

Research Report - October 11, 2017

How can home energy assessments lead to more energy efficiency upgrades? Using a behavioral science approach to answer this question, we conducted an online experiment with nearly 2,000 American homeowners and explored the latest research on motivators and barriers to investment. We learned that...

Fact Sheet - October 11, 2017

Do you do home energy assessments? This one-page tips sheet is designed to help you communicate with homeowners to maximize the effectiveness of the assessment. It is based on a behavioral sciences perspective and summarizes the conclusions of the report,...

Regulatory Filing - October 05, 2017

The comments are filed in response to EPA Reconsideration of the Final Determination of the Mid-Term Evaluation of Greenhouse Gas Emissions Standards for Model Year 2022–2025 Light-Duty Vehicles and the Appropriateness of Model Year 2021 Greenhouse Gas Standards. Docket ID Number EPA-HQ-OAR-2015...

Research Report - October 02, 2017

Since 2012, Maryland’s Department of Housing and Community Development (DHCD) has administered the state’s limited-income energy efficiency programs. The programs have been effective in delivering substantial energy savings for each participating household, but overall participation has been low...

Research Report - September 27, 2017

This eleventh edition of the ACEEE State Energy Efficiency Scorecard again benchmarks state progress on efficiency policies and programs that save energy while benefiting the environment and promoting growth. We use data vetted by state energy officials to rank states in six categories—...

Research Report - August 23, 2017

This updated version of the Local Energy Efficiency Self-Scoring Tool lets you score any community’s energy efficiency efforts using the metrics from ACEEE's 2017 City Energy Efficiency Scorecard. The brief user guide shows you how to use the application to evaluate community-wide...

Fact Sheet - August 14, 2017

Low-income households in the Southeast spend an outsized portion of their income on home energy bills, including electricity, natural gas, and other heating fuels. Utility energy efficiency programs targeted at low-income households can reduce their energy burden, however, Southeastern utilities...

White Paper - August 02, 2017

This paper deals with the interconnection of community resilience and various aspects of energy supply and consumption—what we call local energy resilience. We discuss nine dimensions of local energy resilience (for example, transportation connectivity and thermal performance of buildings) and...

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