Cost Competitiveness of Electrolytic Hydrogen

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157 Scopus Citations

Abstract

Hydrogen is often considered an energy carrier of the future in part because of the costs to implement a hydrogen-based system. However, using 7,182 industrial and commercial US retail electric utility rates, this study dynamically simulates electrolyzer operations under different utility rate structures and shows that electrolysis units can already provide cost-competitive fuel in 20 states operating under 81 retail electricity rates. Our analysis shows that current hydrogen production costs range from US$2.6 to US$12.3 kg−1 and can be significantly reduced through flexible operation if dynamic tariffs are used. Hydrogen production costs for the 81 utility rates in 20 states are already less than US$4.0 kg−1 and competitive with the fuel cost of gasoline vehicles. Thus, under the right conditions, hydrogen fuel is already cost competitive in the US energy sector and has several interesting possible roles to play in future energy and transportation systems.

Original languageAmerican English
Pages (from-to)2425-2443
Number of pages19
JournalJoule
Volume3
Issue number10
DOIs
StatePublished - 16 Oct 2019

Bibliographical note

Publisher Copyright:
© 2019 Elsevier Inc.

NREL Publication Number

  • NREL/JA-5D00-70803

Keywords

  • electrolysis
  • energy carrier
  • fuel cost assessment
  • hydrogen
  • production cost
  • retail electric utility rates

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