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    • TABLE E-1

    Hydrogen Supply Chain Pathways Examined

     

    Primary Energy Source

    Scale

    Natural Gas

    Coal

    Nuclear

    Biomass

    Grid-Based Electricity (from any source)

    Wind

    Photovoltaics

    Central station

    CN: CS NG-C

    CN: CS Coal-C

     

     

     

     

     

     

    FN: CS NG-F

    FN: CS Coal-F

    F: CS Nu-F

     

     

     

     

     

    CY: CS NG-C-Seq

    CY: CS Coal-C-Seq

     

     

     

     

     

     

    FY: CS NG-F-Seq

    FY: CS Coal-F-Seq

     

     

     

     

     

    Midsize

     

     

     

    CN: MS Bio-C

     

     

     

     

     

     

     

    FN: MS Bio-F

     

     

     

     

     

     

     

    CY: MS Bio-C-Seq

     

     

     

     

     

     

     

    FY: MS Bio-F-Seq

     

     

     

    Distributed

    C: Dist NG-C

     

     

     

    C: Dist Elec-C

    C: Dist WT-Gr Elec-C

    C: Dist PV-Gr Elec-C

     

    F: Dist NG-F

     

     

     

    F: Dist Elec-F

    F: Dist WT-Gr Elec-F

    F: Dist PV-Gr-Elec-F

    NOTES: C= current technology; Y= sequestration (hydrocarbon feedstock in central station and midsize plants only); F= future technology; N= no sequestration. The abbreviations for the hydrogen supply chain pathways (e.g., CS NG-C) are from the detailed spreadsheets that follow.


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