Hybrid Power Plant Design for Low-Carbon Hydrogen in the United States: Article No. 082019

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In this study, we provide a nationwide techno-economic analysis of clean hydrogen production powered by a hybrid renewable energy plant for over 50,000 locations in the United States. We leverage the open-source Hybrid Optimization Performance Platform (HOPP) tool to simulate the hourly performance of an off-grid wind-solar plant integrated with a 1-GW polymer exchange membrane electrolyzer system. The levelized cost of hydrogen is calculated for varying technology costs, and tax credits to explore cost sensitivities independent of plant design, performance, and site selection. Our findings suggest that strategies for cost reduction include selecting sites with abundant wind resources, complementary wind and solar resources, and optimizing the sizing of wind and solar assets to maximize the hybrid plant capacity factor. These strategies are linked to increased hydrogen production and reduced electrolyzer stack replacements, thereby lowering the overall cost of hydrogen.
Original languageAmerican English
Number of pages11
JournalJournal of Physics: Conference Series
Issue number8
StatePublished - 2024

NREL Publication Number

  • NREL/JA-5000-88746


  • green hydrogen
  • hybrid plant design
  • hybrid renewable energy plant
  • national analysis
  • power-to-x


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