Optimizing Design and Dispatch of a Renewable Energy System with Combined Heat and Power

Jusse Hirwa, Oluwaseun Ogunmodede, Alexander Zolan, Alexandra Newman

Research output: Contribution to journalArticlepeer-review

12 Scopus Citations


We embellish a mixed-integer program that prescribes a set of renewable energy, conventional generation, and storage technologies to procure, along with a corresponding dispatch strategy. Specifically, we add combined heat and power to this set. The model minimizes fixed and operational costs less incentives for the use of various technologies, subject to a series of component interoperability and system-wide constraints. The resulting mixed-integer linear program contains hundreds of thousands of variables and constraints. We demonstrate how to efficiently formulate and solve the corresponding instances such that we produce near-optimal solutions in minutes. A previous rendition of the model required hours of solution time for the same instances.

Original languageAmerican English
Pages (from-to)1-31
Number of pages31
JournalOptimization and Engineering
Issue number3
StatePublished - 2022

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

NREL Publication Number

  • NREL/JA-5700-79097


  • combined heat and power systems
  • efficient formulations
  • mixed-integer linear optimization
  • renewable energy


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