This case study discusses Efficiency Maine's successful statewide Residential Direct Install (RDI) program that was established in 2012 to help create demand for home energy assessments and upgrades.

This case study highlights a 20-unit apartment building that gained energy savings and comfort through Efficiency Maine.

This case study highlights the first project completed under Efficiency Maine's Multifamily Efficiency Program.

This report highlights program and policy attributes that enable successful on-bill programs based on analysis of four program case studies.

This case study explains how Efficiency Maine provided contractor sales training to boost upgrade conversions.

This case study describes Efficiency Maine's Home Energy Savings Program (HESP), one of the few large residential energy efficiency programs that has attempted to navigate the transition from rebate-focused offerings to financing focused offerings that better align with its limited budget.

This case study discusses how Clean Energy Works Oregon (now Enhabit) used performance-based incentives, limited-time bonus rebates, early financing approvals, and seasonal advantages to broaden its program reach and increase home upgrade completions.

This case study discusses the strategies Clean Energy Works Oregon's (now Enhabit's) used to actively engage contractors to make the program successful (e.g., balancing contractors' work priorities, enforcing quality standards).