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...

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...

Regulatory Filing - August 24, 2018

Comments submitted to the Virginia Department of Mines, Minerals, and Energy on the topic of the Virginia Energy Plan. The comments recommend incorporating energy effiency into the plan in five specific ways. 

Fact Sheet - August 09, 2018

Energy efficiency holds significant pollution reduction potential for states. It can help states to manage air quality, protect public health, and keep electricity affordable, all while growing the local economy. The health benefits of reducing pollution through energy efficiency extend...

Topic Brief - August 07, 2018

These briefs describe how Fortune 500 companies use energy efficiency to meet sustainability and other planning goals, including C02 reduction, lowering the cost of energy-intensive inputs, and building brand image. The first brief describes efforts across the Fortune 500 as a whole....

Topic Brief - July 30, 2018

National light bulb efficiency standards are savings consumers billions of dollars annually and preventing millions of tons of carbon dioxide and other pollutants. Savings will dramatically increase after 2020 when stronger standards that apply to a wider range of bulbs kick in. But...

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