Hydrogen as Part of a 100% Clean Energy System: Exploring Its Decarbonization Roles

Ken Dragoon, Antonio Iliceto, Magnus Korpas, Peter Markussen, Bryan Pivovar, Mark Ruth, Brittany Westlake, Elizabeth Endler

Research output: Contribution to journalArticlepeer-review

7 Scopus Citations


Today's energy system uses a variety of fuels and energy carriers in molecular forms, such as coal, oil, and natural gas, each contributing to CO2 emissions (Figure 1). As solar and wind levels grow and the energy system becomes more electrified, fossil molecular fuels will contribute a progressively smaller fraction of overall energy. As shown in Figure 2, hydroelectric storage and molecules, such as coal and natural gas, provide substantial storage and dispatch functionality today that will become increasingly critical for electricity operation and stability. Emerging low-carbon gases, such as hydrogen, can support the efficient integration of renewables in the transition from today's energy system to one that is 100% clean from a carbon emissions perspective.

Original languageAmerican English
Pages (from-to)85-95
Number of pages11
JournalIEEE Power and Energy Magazine
Issue number4
StatePublished - 2022

Bibliographical note

Publisher Copyright:
© 2003-2012 IEEE.

NREL Publication Number

  • NREL/JA-6A20-81935


  • clean energy system
  • decarbonization
  • H2@Scale
  • hydrogen


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