This report consists of a literature review and in-depth interviews with subject matter experts in the Home Performance with ENERGY STAR (HPwES) program area. The goal was to compare Delaware Sustainable Energy Utility (DESEU) HPwES Programs with peer-programs across the United States. The report also identifies key metrics and emerging trends regarding program design.

This report documents findings and recommendations from an impact evaluation of the California Energy Commission’s California Comprehensive Residential Retrofit program, a statewide energy upgrade program funded by the American Recovery and Reinvestment Act of 2009. The program funded local and regional subrecipients to develop and test initiatives aimed at transforming the residential energy upgrade market and building an infrastructure for whole-building energy upgrades. These local and regional governments collaborated with California’s major utilities to jointly conduct the statewide Energy Upgrade California program.

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

This report provides results, lessons learned and recommendations for driving energy efficiency in existing building on an urban scale based on the second year of the Energize Phoenix energy efficiency program.

This report provides results, lessons learned and recommendations for driving energy efficiency in existing building on an urban scale based on the first year of the Energize Phoenix energy efficiency program.

This presentation outlines the techniques for collecting and evaluating energy efficiency program evaluation data, including data related to marketing efforts.

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