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 presents the process evaluation results on the statewide Home Upgrade Program and includes findings on program operations, participant engagement, non-energy impacts, contractor characteristics, and contractor-customer interactions.

This presentation discusses how Energy Upgrade California streamlined its program through improvements in its HPXML and IT software.

The MF HERCC Recommendations Report 2015 Update expands the 2011 publication, and delivers explicit and refined recommendations for multifamily energy efficiency program administrators and implementers.

Quick summaries of strategies various programs have used to improve the efficiency of delivering efficiency.

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 presentation talks about Energy Upgrade California's Flex Path pilot program which offers a menu of upgrade options for homeowners to select. Its flexible approach has been popular with middle-income homeowners interested in upgrades.

As part of its "intentional learning" process, Charleston WISE collects information from homeowners that helps the program systematically test assumptions and implement continuous improvement.

This presentation describes California property owners' specific interest, awareness, and perceptions regarding energy use, energy efficiency, home energy upgrades, and related topics.

This report describes California property owners' specific interest, awareness, and perceptions regarding energy use, energy efficiency, home energy upgrades, and related topics. The study results were used for program design and to design and support marketing and outreach campaigns that encouraged energy upgrades