EnergyPlus™ is open source software. It is distributed under the terms of a permissive, BSD-style license. For more information, see the Licensing page.

Latest Release

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Windows (x64) Ubuntu 20.04 Mac

Current version


Release Notes

Supported Platforms

  • Windows 10
  • Ubuntu 18.04 and 20.04
  • Mac OSX 10.15

Installation Instructions

Recent Releases

Recent releases of EnergyPlus (version 8.2 to current) can be downloaded from the Github Repository.

NOTE: All Windows releases of version 8.6 and prior releases have been removed as they contained a vulnerability that was addressed starting with version 8.7. We apologize for any inconvenience.

Old Releases

Old releases of EnergyPlus (version 7.0.0 through 8.1.0) can be downloaded from the EnergyPlusRelease Github Repository.

View Old Releases

Transition utilities are available for updating older EnergyPlus input files to later versions. The files can be downloaded from the Helpdesk.

Older Transition Programs