I am currently pursuing LEED certification for a building and have been tracking various items that have been purchased during the last 6 months. I am under the impression that performance periods generally must be a minimum of 3 months and 24 months max (excluding the two EA 1-yr PP). While entering the recent purchases on the form, I noticed that it states "purchasing periods may not exceed 3 months." Is this true and where is this stated in the reference guide? I hope that this is some kind of mistake or typo. Help!
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Jason Franken
Sustainability ProfessionalLEEDuser Expert
608 thumbs up
September 7, 2012 - 5:02 pm
Jessica, this absolutely not true. If you're seeing this statement somewhere on a LEED User document, could you please provide the specific location so that it can be corrected?
Performance periods must be a minimum of 3 months and can be extended to 24 months at your discretion. The only exception is EAp2/EAc1 which must use at least 12 months of recent, continuous data for energy benchmarking.
Another important item to keep in mind is that all of your performance period end dates for individual credits must fall within a shared 30-day window.