Most utility programs that support the financing of energy efficiency projects focus on using the utility bill as a way to finance the project. This is usually referred to as on-bill repayment or on-bill financing. Such programs address the major obstacle of access to up-front capital for making energy efficiency investments. This fact sheet describes what on-bill financing is and how it can help city governments enable more energy efficiency investments.

This resource is part of the City Energy Project Resource Library. Launched in 2019, the library is the culmination of 6+ years of work on the ground in 20 U.S. cities to reduce energy use in large buildings. The City Energy Project is a joint project of IMT and the Natural Resources Defense Council (NRDC). For more information, visit

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