Publications and Resources

Research Report - July 19, 2016

The 2016 International Energy Efficiency Scorecard examines the energy efficiency policies and performance of 23 of the world’s top energy-consuming countries. Together these nations represent 75% of all the energy consumed on the planet and in 2013 accounted for over 80% of the world’s...

Research Report - May 10, 2016

The multifamily sector can be hard to reach when it comes to energy efficiency programs. Besides being diverse and complex, the sector presents a unique set of challenges to efficiency investments. The result is that multifamily customers are often underserved by energy efficiency programs....

Research Report - May 04, 2016

Electric resistance heat, including electric furnaces and baseboard heaters can be inexpensive to install but often expensive to run. Homeowners with these systems can save substantial energy at a moderate cost by installing a heat pump at the time as they replace a central air conditioner. Even...

Research Report - May 04, 2016

This paper explores the question of whether we should be encouraging or discouraging natural gas use in residential space-heating and water-heating applications based on relative source energy use. Our analysis finds that electric heat pumps generally use less energy in warm states and have...

Research Report - April 20, 2016

Energy burden is the percentage of household income spent on home energy bills. In this report, ACEEE, along with the Energy Efficiency for All coalition, measures the energy burden of households in 48 of the largest American cities. We find that low-income, African-American, Latino, low-income...

Research Report - April 07, 2016

Energy efficiency savings have grown substantially in the past ten years, and national leaders in program administration have emerged as savings levels have increased. This report reviews annual program performance for 14 leading energy efficiency program administrators, with a focus on costs,...

Research Report - March 10, 2016

Of the total spending on residential energy efficiency programs in 2014, 18% of electric efficiency expenditures and 34% of natural gas efficiency spending went toward low-income programs. Particularly for electricity expenditures, there is a need for more equitable spending on efficiency...

Research Report - January 19, 2016

Updated February 1st. If you've already downloaded SUPR 2, please download this updated version.

EPA’s Clean Power Plan allows states to pick from many pollution-reducing technologies and policies—including energy efficiency—when designing their compliance plans. What are...

Research Report - December 17, 2015

This new 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 2015 City Scorecard. The brief user guide shows you how to use the application to evaluate community-wide initiatives,...

Research Report - December 16, 2015

Information and communications technologies (ICT) can automate and transform the evaluation, measurement, and verification (EM&V) of energy efficiency programs. In both the residential and the commercial and industrial sectors, ICT enables the remote monitoring and sophisticated analysis of...

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