Distributed Generation Market Demand Model (dGen): Documentation

Benjamin Sigrin, Robert Preus, Edward Baring-Gould, Robert Margolis, Michael Gleason

Research output: NRELTechnical Report


The Distributed Generation Market Demand model (dGen) is a geospatially rich, bottom-up, market-penetration model that simulates the potential adoption of distributed energy resources (DERs) for residential, commercial, and industrial entities in the continental United States through 2050. The National Renewable Energy Laboratory (NREL) developed dGen to analyze the key factors that will affect future market demand for distributed solar, wind, storage, and other DER technologies in the United States. The new model builds off, extends, and replaces NREL's SolarDS model (Denholm et al. 2009a), which simulates the market penetration of distributed PV only. Unlike the SolarDS model, dGen can model various DER technologies under one platform--it currently can simulate the adoption of distributed solar (the dSolar module) and distributed wind (the dWind module) and link with the ReEDS capacity expansion model (Appendix C). The underlying algorithms and datasets in dGen, which improve the representation of customer decision making as well as the spatial resolution of analyses (Figure ES-1), also are improvements over SolarDS.
Original languageAmerican English
Number of pages74
StatePublished - 2016

NREL Publication Number

  • NREL/TP-6A20-65231


  • DERS
  • dGen
  • distributed energy resources (DER)
  • documentation
  • technology adoption


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