REopt: A Platform for Energy System Integration and Optimization

Katherine Anderson, Dylan Cutler, Daniel Olis, Emma Elgqvist, Xiangkun Li, Nicholas Laws, H. Walker, Nicholas DiOrio

Research output: NRELTechnical Report


REopt is a techno-economic decision support model used to optimize energy systems for buildings, campuses, communities, and microgrids. The primary application of the model is for optimizing the integration and operation of behind-the-meter energy assets. This report provides an overview of the model, including its capabilities and typical applications; inputs and outputs; economic calculations; technology descriptions; and model parameters, variables, and equations. The model is highly flexible, and is continually evolving to meet the needs of each analysis. Therefore, this report is not an exhaustive description of all capabilities, but rather a summary of the core components of the model.
Original languageAmerican English
Number of pages75
StatePublished - 2017

NREL Publication Number

  • NREL/TP-7A40-70022


  • behind-the-meter energy assets
  • buildings
  • campuses
  • communities
  • energy optimization model
  • energy system optimization
  • microgrids
  • REopt
  • techno-economic decision support model


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