REopt: A Platform for Energy System Integration and Optimization: Preprint

Travis Simpkins, Dylan Cutler, Katherine Anderson, Daniel Olis, Emma Elgqvist, Michael Callahan, H. Walker

Research output: Contribution to conferencePaper


REopt is NREL's energy planning platform offering concurrent, multi-technology integration and optimization capabilities to help clients meet their cost savings and energy performance goals. The REopt platform provides techno-economic decision-support analysis throughout the energy planning process, from agency-level screening and macro planning to project development to energy asset operation.REopt employs an integrated approach to optimizing a site's energy costs by considering electricity and thermal consumption, resource availability, complex tariff structures including time-of-use, demand and sell-back rates, incentives, net-metering, and interconnection limits. Formulated as a mixed integer linear program, REopt recommends an optimally-sized mix of conventional and renewableenergy, and energy storage technologies; estimates the net present value associated with implementing those technologies; and provides the cost-optimal dispatch strategy for operating them at maximum economic efficiency. The REopt platform can be customized to address a variety of energy optimization scenarios including policy, microgrid, and operational energy applications. This paper presentsthe REopt techno-economic model along with two examples of recently completed analysis projects.
Original languageAmerican English
Number of pages10
StatePublished - 2014
Event8th International Conference on Energy and Sustainability (ES2014) - Boston, Massachusetts
Duration: 30 Jun 20142 Jul 2014


Conference8th International Conference on Energy and Sustainability (ES2014)
CityBoston, Massachusetts

NREL Publication Number

  • NREL/CP-7A40-61783


  • decision support
  • energy planning platform
  • energy system integration and optimization
  • renewable energy optimization
  • REopt


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