How new energy codes are affecting greenhouse growers

Added on 07 October 2022

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How new energy codes are affecting greenhouse growers

In the past few years, energy codes have been updated to address the performance of greenhouses. Growers in California are not the only ones who should be aware of impacts to changing state codes. Cannabis cultivators and other growers in states with emerging commercial markets should prepare for the potential impact of future regulations.

Changes to the California Energy Code (Title 24, Part 6) for Controlled Environment Horticulture were proposed in 2020, adopted in 2021, and will go into effect at the beginning of 2023. Included in the new 2022 Energy Code are requirements for greenhouses and indoor cultivation facilities to meet minimum standards for horticultural lighting efficacy, dehumidification system efficiency, and greenhouse envelope thermal performance. The requirements affect facilities growing any crop. Newly constructed greenhouses, greenhouses being converted from unconditioned to conditioned, and additions to conditioned greenhouses with permits pulled after Jan. 1, 2023, may need to meet minimum efficiency requirements. Existing buildings are not affected unless a facility alteration triggers requirements in the Energy Code. California growers can use the Energy Code Ace website to access helpful resources for compliance with the California Energy Code.