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.

Achieving energy savings goals and improving customer and contractor satisfaction while staying cost-effective makes managing home energy upgrade programs challenging. DOE's Home Upgrade Program Accelerator is working with program administrators to identify strategies that overcome challenges and achieve better results. The Arizona Home Performance with ENERGY STAR program completed process improvements that improved contractor satisfaction and deceased quality assurance labor.  Build It Green implemented software improvements to their utility program's online rebate applications portal to accelerate data processing.