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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