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 case study addresses multifamily energy upgrade experiences by two members of the Better Buildings Residential Network—Elevate Energy and the International Center for Appropriate and Sustainable Technology (ICAST).