Publications and Resources

Featured Publications

White Paper - April 24, 2019

Both energy efficiency and renewable energy can reduce greenhouse gas emissions and improve a home’s resilience during power outages. Cost effectiveness is another important consideration. Recent energy code changes have raised the question of whether renewable sources like rooftop solar...

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 U1808 - October 04, 2018

The twelfth edition of the ACEEE State Energy Efficiency Scorecard gives a progress report on state energy efficiency policies and programs that save energy and produce environmental and economic benefits. The Scorecard uses data vetted by state energy officials to rank states...

Research Report H1801 - February 21, 2018

Pollution from power plants harms public health, contributing to heart attacks, respiratory conditions, asthma attacks, and premature death. Energy efficiency can benefit health by reducing power plant pollution. This report estimates the health and environmental benefits that would come from a...

Research Report - December 06, 2017

Regional transmission organizations use capacity auctions to ensure energy resources are available to meet future demand. This report synthesizes and analyzes data on energy efficiency in two annual capacity auctions: PJM and ISO New England. Focusing on results since the inception of both...

Research Report - November 27, 2017

In this report, we discuss how information technologies and communication networks are enabling new ways of tracking and analyzing the many benefits of saving energy. When stakeholders can quantify the coincident benefits of energy savings and put monetary value on them, they improve the...

Fact Sheet - November 08, 2017

Millions of people work to save energy in the United States. They work in every state, across industries and technologies. To show the diverse arc of this growing workforce, we visited North Carolina. This fact sheet tells the stories of some of these workers—from manufacturers to builders,...

Fact Sheet - October 25, 2017

This fact sheet summarizes and illustrates the findings of a more detailed ACEEE study that looks at 13 packages of energy efficiency measures that together can reduce US 2040 energy use by 34% and US carbon emissions by 35%, putting us on a path to 50% savings by 2050. The packages cover...

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...

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