NREL Tools Help Identify and Evaluate Renewable Energy Projects

Emma Elgqvist

Research output: NRELFact Sheet


NREL offers no-cost, publicly available web tools that can be used throughout the development of behind-the-meter renewable energy projects. These tools help gauge initial project potential, optimize system sizing, and refine project economics. This flyer compares four tools that can be used at various stages of project development: Economic Site Analysis (ESA) Tool, PVWatts Calculator, REopt (TM) Lite, and System Advisor Model (SAM).
Original languageAmerican English
StatePublished - 2018

NREL Publication Number

  • NREL/FS-7A40-71817


  • behind-the-meter
  • development tools
  • Economic Site Analysis
  • ESA
  • optimize
  • project potential
  • PVWatts
  • renewable energy
  • REopt Lite
  • SAM
  • System Advisor Model
  • system sizing
  • web tools


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