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Software

See the table below for our open-source software offerings. 

For the most current listing of NREL-developed open-source software, see U.S. Department of Energy Office of Scientific and Technical Information's DOE CODE database.

Commercial Licensing

Explore more than 250 copyrighted software tools available for licensing via the Department of Energy's Lab Partnering Service.


OpenStudio Energy Rating Index Workflow

Feb 26, 2019, 17:00 PM
This tool calculates an energy rating index via an OpenStudio/EnergyPlus-based workflow. Building information is provided through an HPXML file. Third-party, private sector software tools can connect to this open-source software workflow from their user interface to provide residential energy ratings.
Title : OpenStudio Energy Rating Index Workflow
Url : https://github.com/NREL/OpenStudio-ERI
Software Id : 23683
Categories :
  • Buildings
  • Software Categories

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Last Updated July 8, 2025