Onsite Energy Techno-Economic Analysis Using REopt

Research output: NRELPoster


Since 2019, the National Renewable Energy Laboratory (NREL) has collaborated with IEDO's Combined Heat and Power (CHP) Deployment Program and the CHP Technical Assistance Partnerships (TAPs) to expand the capabilities of NREL's publicly available REopt® tool for techno-economic analysis of on-site energy. As a result, capabilities to analyze heating and cooling loads and serve those loads with CHP were added to the REopt tool in 2021. Currently, NREL is using REopt to evaluate the economics and feasibility of deploying distributed energy resources at sites of 3-5 manufacturers. The analysis is based on location, site-specific load data, customized utility bill analysis, and other criteria such as resilience needs and decarbonization targets. The objectives of the current effort are to (1) assist manufacturers with analyzing on-site energy options, including CHP, solar photovoltaics (PV), wind, and battery storage, (2) validate the capabilities and use of REopt to provide technical assistance to manufacturers, and (3) publish case studies showcasing the engagement, key takeaways, and lessons learned. Future work is expected to include additional REopt capabilities for evaluating other technologies to reduce scope 1 emissions, such as electrifying process heating loads, using carbon-free fuels, and other clean heat strategies.
Original languageAmerican English
StatePublished - 2023

Publication series

NamePresented at the Joint Peer Review of the Advanced Materials & Manufacturing Technologies Office (AMMTO) and Industrial Efficiency & Decarbonization Office (IEDO), 16-18 May 2023, Washington, D.C.

NREL Publication Number

  • NREL/PO-7A40-86091


  • industrial decarbonization
  • onsite energy
  • REopt
  • techno-economic analysis


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