Hi
I'm confused about the Specific year which i should choose for performance data. Should i collect data for recent year or any Specific year?
For example we are now in year 2022, can i use 2018 as the specific year for performance data
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J.D. Lambert
Sustainable Design LeaderHKS
3 thumbs up
August 9, 2022 - 2:58 pm
Hi Amgad - Guessing this is for LEED O+M certification. While there's specific requirements depending on the scope of the certification, please see below guidance from USGBC's website on Performance Periods:
Performance Periods
If pursuing LEED 2009 or LEED v4 O+M for the first time, you may choose to extend the performance period for any prerequisite or credit to a maximum of 24 months preceding your certification application, in case you need more time to establish performance. All performance periods must overlap and come to a conclusion within one month of each other. If pursuing LEED v4.1 O+M for the first time, a 12-month reporting period must be used.
The LEED v4 O+M recertification performance period includes the entire time since the previous certification and must be at least a year in length but may be up to five years in length. You’ll need to track and record building performance data throughout the entire recertification performance period.
The LEED v4.1 O+M recertification reporting period is the one year prior to submitting for recertification. You’ll need to track and record building performance data throughout the entire recertification performance period of up to three years.
(Source: https://www.usgbc.org/tools/leed-certification/commercial)