This guide is designed to assist city leadership and their building departments in working together to implement an effective strategy to achieve high levels of energy code compliance for new and renovated buildings. This document introduces the factors responsible for low compliance rates, followed by the process for implementing an improvement plan, and finally the details of the challenges and effective strategies for addressing each challenge. In an effort to provide solutions for varying administrative structures, a wide range of strategies and recommendations are presented.

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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