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...

Topic Brief - January 07, 2019

Many local governments have adopted community-wide goals for increasing energy efficiency and reducing greenhouse gas emissions. This set of briefs examines three high-impact energy efficiency policies that can help cities meet these goals. The briefs cover (1) residential energy disclosure...

Topic Brief - January 07, 2019

While governors across the country are setting innovative energy policies, energy efficiency can help them go even farther toward meeting state goals. Saving energy creates jobs, develops the workforce, grows state economies, improves public health, promotes technological innovation, protects...

White Paper - January 02, 2019

Efforts to put a price on greenhouse gas emissions are increasing, with approaches including carbon taxes and cap-and-trade programs currently in effect in 15 states and provinces plus one city. Several other states and provinces are also considering putting a price on emissions. This paper...

Topic Brief - December 13, 2018

The value of utility demand-side energy efficiency programs extends beyond energy savings. Yet when states evaluate cost effectiveness, they undervalue or fail to include many nonenergy benefits that accrue to utilities, participants, and society. Some of the most significant omissions are the...

Regulatory Filing - December 12, 2018

These comments were submitted to the Arizona Corporation Commission, and relate to the Arizona Public Service Company's Self Direct Program. Docket E-01345A-17-0134.

Topic Brief - December 11, 2018

Performance incentive mechanisms (PIMs) can help make energy efficiency competitive with traditional utility infrastructure investments. This brief surveys current state approaches to PIMs and highlights two emerging trends in incentive design: multifactor incentives, and the growing use of...

Regulatory Filing - November 20, 2018

These comments were submitted to the Arizona Corporation Commission, and relate to the Arizona Public Service Company's 2018 Demand-Side Management Implementation Plan. Docket E-01345A-17-0134. 

Research Report - November 14, 2018

Municipal governments are increasingly using behavior change strategies to save energy in their communities. For this study we surveyed cities across North America and analyzed 50 behavior change programs offered by 40 local governments in 18 states and Canada. Our report provides an overview of...

Fact Sheet - October 30, 2018

Rural households across the country face high energy burdens, meaning they spend an outsized portion of their income on home energy bills. Energy efficiency upgrades can improve the efficiency of rural housing stock and reduce rural household energy burdens. Driving investment in these programs...

Research Report - October 29, 2018

Energy efficiency supports the reliability and resilience of our electricity system. However, these benefits are typically not included in electric system planning, decision making, and cost-effectiveness analysis. This report examines energy efficiency's contribution to reliability in terms of...

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