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Office of Energy & Sustainable Development (OESD)
Office of Energy & Sustainable Development (OESD)

Revised BESO Phase-In Schedule

BESO compliance is required on a phase-in schedule for all buildings except houses (1-4 units). The timing, frequency, and specific type of energy assessment required depends on the type and size of the building, per the revised BESO ordinance, effective July 21, 2016. See table below for the schedule.

 Building Size (sq ft) 

 Due  Date 

 

 Reporting Cycle 

Large buildings: 50,000 or more

7/1/2018

Energy Assessment every 5 years
AND
ENERGY STAR Performance Report annually

 Large buildings: 25,000- 49,999

7/1/2019

Medium/Small buildings:15,000-24,999

7/1/2020

Energy Assessment every 10 years

 Medium/Small buildings: 5,000-14,999

 7/1/2021

 Small buildings: Less than 5,000 (excluding 1-4 unit homes)

7/1/2022

BESO Compliance Documents

For more information on BESO, see: www.cityofberkeley.info/BESO  

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