This report is a guide to all customer-facing financing products—products offered by a lender directly to a borrower—used to pay for energy efficiency. Intended for state and local governments that are deciding whether to start a new program, tune up and existing program, or create a Green Bank, it provides information on the full range of financing product options for target participants, the tradeoffs of various products, and potential advantages and disadvantages for different types of customers.

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.

This report describes different approaches to energy efficiency finance taken by utilities.