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, electricity savings, cost effectiveness, and portfolio design.

This report, informed by leading research and real-world examples, highlights practical online and in-person tactics that contractors can use to promote social interaction and social comparison among homeowners to make energy upgrades a "must-have" in U.S. homes.

This paper first details industry best practices for contest administration, including tips for developing an overall contest plan and timeline, product sponsor recruitment, building a dynamic informational website, maximizing customer participation, selecting the winning home, seamless installation management, capturing and documenting project results, conducting a high profile media open house and facilitating customer workshops that educate homeowners and strengthen trade ally relationships. This paper then presents results and key lessons learned from more than 20 contests supported with funds from local community sustainability programs, utility energy efficiency programs, and U.S. Recovery and Reinvestment Act funds between 2008 and 2012.

This report presents the results of ACEEE's third national review or utility-funded energy efficiency programs, completed in 2013. The report identifies and profiles 63 leading programs that span the wide array of program types offered to utility customers, and highlights key trends and observations that emerged from reviewing these programs.

This U.S. Environmental Protection Agency resource is intended to help state and local governments design finance programs for their jurisdiction. It describes financing program options, key components of these programs, and factors to consider as they make decisions about getting started or updating their programs.

This report describes different approaches to energy efficiency finance taken by utilities.

Outlines five public-private financing mechanism options for energy efficiency upgrades programs, including on-bill financing, PACE financing, and loan loss reserve funds.

This paper describes a wide variety of behavior change insights potentially applicable to the energy efficiency program context, provides examples of efficiency programs that have applied these insights, and explores some untapped opportunities to achieve energy savings through behavior change.