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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.


REopt Lite

Apr 2, 2019, 18:00 PM
The REopt LiteĀ® Web Tool evaluates the economic viability of grid-connected solar PV, wind, and battery storage at a commercial site. It allows building owners to identify the system sizes and dispatch strategy that minimize the site's life cycle cost of energy. REopt Lite also estimates the time a PV or wind and battery system can sustain the site's critical load during a grid outage and allows the user to optimize for energy resilience.
Title : REopt Lite
Url : https://github.com/NREL/REopt-API-Analysis
Software Id : 29320
Categories :
  • Energy Systems Analysis
  • Software Categories

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Last Updated July 8, 2025