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...

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...

White Paper - October 23, 2018

Zero energy buildings (ZEBs) produce at least as much energy as they consume. Whereas only a few thousand ZEBs have been constructed in the United States and Canada until now, it may be possible to improve building energy codes to the point where all new buildings are zero energy by 2030. This...

Regulatory Filing - October 22, 2018

The comments were delivered to the Pennsylvania Public Utilities Commission, docket # M-2015-2518883.

Research Report - 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...

Regulatory Filing - October 01, 2018

The comments refer to Docket No. E-01345A-17-0134 and make recommendations on the topic of cost-effectiveness testing. 

Regulatory Filing - September 26, 2018

The comments respond to dockets NHTSA–2018–0067 and EPA–HQ–OAR–2018–0283 and were delivered in person to EPA and NHTSA staff.

Research Report - September 19, 2018

Rural communities have unique energy needs that make it challenging for utilities, state energy offices, and other program implementers to deliver energy efficiency to customers. Infrastructure, energy use, and fuel mix in rural areas often differ from their metropolitan counterparts. Rural...

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