State Energy Offices can use the information below to design and implement high-impact revolving loan funds (RLF) programs that leverage private capital, expand access to financing for historically underserved communities, and achieve other state priorities. 

Foundational Resources

Additional Resources

  • Credit Enhancement Overview Guide - Provides considerations for state and local policymakers and energy efficiency program administrators designing and implementing successful credit enhancement strategies for residential and commercial buildings.
  • Long-Term Performance of Energy Efficiency Loan Portfolios - A first-of-its-kind study that shows financial institutions can lend money to their customers for energy efficiency improvements at low risk, in support of a more efficient building stock. 
  • Energy Efficiency Financing Program Implementation Primer - Provides key considerations for policymakers, energy efficiency program administrators, and program partners on implementing successful energy efficiency financing programs for existing buildings.

Contact Us

The Energy Efficiency Revolving Loan Fund Program is now providing limited-time and limited-scope direct technical assistance to states eligible to receive funding under the RLF program. Submit a technical assistance request using the Revolving Loan Fund Program – Technical Assistance Request Form which will be open through December 2023.

For questions, comments, or other requests, please contact the RLF inbox at