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NREL / EnergyPlus

EnergyPlus™ is a whole building energy simulation program that engineers, architects, and researchers use to model both energy consumption and water use in buildings.

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Update EPW design conditions to ASHRAE 2021

shorowit opened this issue · comments

commented

Issue overview

Current design conditions are based on ASHRAE 2013. ASHRAE 2013 CSVs can be found here.

Related issue: #7077
Related Unmet Hours post: https://unmethours.com/question/98904/energyplus-weather-program-still-uses-ashrae-2013-design-conditions-are-there-any-plans-to-update-that-to-current-ashrae-2021-weather-conditions/

Checklist

Add to this list or remove from it as applicable. This is a simple templated set of guidelines.

  • Defect file added (list location of defect file here)
  • Ticket added to Pivotal for defect (development team task)
  • Pull request created (the pull request will have additional tasks related to reviewing changes that fix this defect)
commented

I assume this file is generated by script based on the ASHRAE design day data from the HOF but I don't know who might have script.

commented

I did discover that the TMY3 EPWs posted on climate.onebuilding.org include ASHRAE 2021 design conditions (as well as updated precipitation values). For example, here's a diff for one TMY3 EPW (energyplus.net on the left, climate.onebuilding.org on the right):

image

commented

Last time this was touched I think: NREL/EnergyPlusBuildSupport@02a316a

If we want to pursue this, I suggest reaching out to Dru and Linda.