Energy efficiency program administrators and policymakers are exploring ways to increase their reliance on financing with the aim of amplifying the impact of limited program monies. In this context, offering programs that enable consumers to finance energy efficiency improvements on their utility bills are receiving increasing attention. The primary objectives of this report are to provide an updated review and analysis of existing on-bill programs, and to offer actionable insights on key program design issues for consideration by state policymakers, utility regulators and program administrators.