Modeling and Optimization of a Nuclear Integrated Energy System for the Remote Microgrid on El Hierro

Williams, Logan; Doster, J. Michael; Mikkelson, Daniel

doi:10.3390/en17235826

Modeling and Optimization of a Nuclear Integrated Energy System for the Remote Microgrid on El Hierro

Journal Article · Thu Nov 21 00:00:00 EST 2024 · Energies

DOI:https://doi.org/10.3390/en17235826· OSTI ID:2479460

^[1]; Doster, J. Michael ^[2]; ^[3]

Idaho National Laboratory (INL), Idaho Falls, ID (United States); North Carolina State University, Raleigh, NC (United States)
North Carolina State University, Raleigh, NC (United States)
Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Nuclear microreactors are a potential technology to provide heat and electricity for remote microgrids. There is potential for the microgrid on the island of El Hierro to use a microreactor, within an integrated energy system (IES), to generate electricity and provide desalinated water. This work proposes a workflow for optimizing and analyzing IESs for microgrids. In this study, an IES incorporating a microreactor, thermal energy storage (TES) system, combined heat and power plant, and a thermal desalination plant was designed, optimized, and analyzed using Idaho National Laboratory’s Framework for Optimization of Resources and Economics (FORCE) toolset. The optimization tool, Holistic Energy Resource Optimization Network (HERON), was used to determine the optimal capacity sizes and dispatch for the reactor and thermal energy storage systems to meet demand. The optimized reactor and TES sizes were found to be 11.61 MWth and 58.47 MWhth, respectively, when optimizing the IES to replace 95% of the island’s existing diesel generation needs. A dynamic model of the system was created in the Modelica language, using models from the HYBRID repository, to analyze and verify the dispatch from the optimizer. The dynamic model was able to meet the ramp rates while maintaining reactor power with minimal control adjustments.

View Accepted Manuscript (DOE)

Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE Office of Nuclear Energy (NE)

Grant/Contract Number:: AC07-05ID14517

OSTI ID:: 2479460

Report Number(s):: INL/JOU-24-79785-Rev000

Journal Information:: Energies, Vol. 17, Issue 23; ISSN 1996-1073

Publisher:: MDPICopyright Statement

Country of Publication:: United States

Language:: English

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22 GENERAL STUDIES OF NUCLEAR REACTORS
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Modeling and Optimization of a Nuclear Integrated Energy System for the Remote Microgrid on El Hierro

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