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Oregon Energy Efficiency Specialty Code

About the next edition of the code

The division is working with the Construction Industry Energy Board to adopt the next version of the OEESC. The Oregon Energy Efficiency Specialty Code (OEESC) adoption process starts with the publication of an updated ASHRAE Standard 90.1, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings.

Base model code: ASHRAE Standard 90.1-2022 published Jan. 25, 2023
Anticipated adoptive date: Jan. 1, 2024 with a 6-month phase-in period

Code adoption timeline

Throughout the code adoption process important notices and events will be posted here.