Economic Dispatch Model of Nuclear High-Temperature Reactor with Hydrogen Cogeneration in Electricity Market

James Richards, Cristian Rabiti, Hiroyuki Sato, Xing L. Yan and Nolan Anderson
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James Richards: Nuclear Science and Technology Directorate, Idaho National Laboratory, Idaho Falls, ID 83402, USA
Cristian Rabiti: Nuclear Science and Technology Directorate, Idaho National Laboratory, Idaho Falls, ID 83402, USA
Hiroyuki Sato: Sector of Fast Reactor and Advanced Reactor Research and Development, Japan Atomic Energy Agency, 2-4, Shirakata, Tokai 319-1195, Japan
Xing L. Yan: Sector of Fast Reactor and Advanced Reactor Research and Development, Japan Atomic Energy Agency, 2-4, Shirakata, Tokai 319-1195, Japan
Nolan Anderson: Nuclear Science and Technology Directorate, Idaho National Laboratory, Idaho Falls, ID 83402, USA

Energies, 2021, vol. 14, issue 24, 1-15

Abstract: Hydrogen produced without carbon emissions could be a useful fuel as nations look to decarbonize their electricity, transport, and industry sectors. Using the iodine–sulfur (IS) cycle coupled with a nuclear heat source is one method for producing hydrogen without the use of fossil fuels. An economic dispatch model was developed for a nuclear-driven IS system to determine hydrogen sale prices that would make such a system profitable. The system studied is the HTTR-GT/H 2 , a design for power and hydrogen cogeneration at the Japan Atomic Energy Agency’s High Temperature Engineering Test Reactor. This study focuses on the development of the economic model and the role that input data plays in the final calculated values. Using a historical price duration curve shows that the levelized cost of hydrogen (LCOH) or breakeven sale price of hydrogen would need to be 98.1 JPY/m 3 or greater. Synthetic time histories were also used and found the LCOH to be 67.5 JPY/m 3 . The price duration input was found to have a significant effect on the LCOH. As such, great care should be used in these economic dispatch analyses to select reasonable input assumptions.

Keywords: hydrogen; nuclear; economic dispatch; integrated energy systems; iodine–sulfur cycle; stochastic optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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