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 builds and expands off of previous research by collecting and evaluating data from 800 Illinois Home Performance (IHP) retrofits. This study investigates homeowner measure package choices in the Illinois Home Performance with ENERGY STAR® (IHP) program compared to cost-optimal choices determined through Building Energy Optimization (BEopt™) modeling software.

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.

This report presents impact evaluation results for the Energy Savers program for large multi-family buildings. The Energy Savers program is run by CNT Energy and Community Investment Corporation. Initiated in January 2008 and now in its fifth year of existence, the Energy Savers program involves a variety of services to promote energy efficiency improvements for multi-family residential buildings of 5-50 units in the affordable housing market segment.

Form used by the Colorado Public Utilities Commission for consent to disclose utility customer data.

Homeowner survey created by the utility to inform their whole home upgrade program.

EnergySmart Colorado uses surveys and a customer database to get feedback from homeowners that helps fine-tune program services and operations.

Survey form used by Energy Upgrade California to assess open house tour attendee interest in obtaining further information about upgrade opportunities.

Sample script Los Angeles County used to survey homeowners about energy issues.

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