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.

The catalog is a compilation of state and local energy efficiency potential studies to serve as a resource for energy planners and as a baseline for future analyses.

This report provides a comprehensive review and analysis of home energy upgrade programs with proven track records, focusing on those with robustly verified savings and constituting good examples for replication. This meta-analysis describes program models and implementation strategies for direct install upgrades; heating, HVAC replacement and early retirement; and comprehensive, whole-home upgrades.

This summary from a Better Buildings Residential Network peer exchange call focused on evaluation, measurement, and verification of predicted/modeled savings from home energy upgrades.

This summary from a Better Buildings Residential Network peer exchange call focused on strategies in building interest in and introducing energy efficiency to affordable housing.

This summary from a Better Buildings Residential Network peer exchange call focused on gathering and communicating loan performance data.

Highlights the EcoHouse Project Loan Program, which provides fixed interest rate loans as a tool for enabling energy improvements among households that are otherwise unlikely to be able to access affordable financing at market rates.

This report provides state and local policymakers with information on successful approaches to the design and implementation of residential efficiency programs for households ineligible for low-income programs.

This report provides an overview of evaluation, measurement, and verification approaches used to estimate the load impacts and effectiveness of energy efficiency programs.

This report describes the effects of utility spending on efficiency programs, how those effects could constitute barriers to investment in energy efficiency, and how policy mechanisms can reduce these barriers.