Mountaineer Gigasystem (WV) Phase 4
Overview
StatusConceptInternational Energy Agency · as of 2026
Country · regionUnited StatesInternational Energy Agency · as of 2026
TechnologyNG w CCUSInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity values retain their recorded units and scope. MW, kt H₂/y and Nm³ H₂/h are different measures; this page does not convert or add them without a shared operating basis.
Details
Technology & product
Configuration DetailUnknown technologyInternational Energy Agency · as of 2026
Additional project information
Administrative AreaMason County (WV)International Energy Agency · as of 2026
Capacity (Announced Size)2000 t H2/d - 6.8 Mt CO2/y (phase 4: 500 t H2/d - 1.7 Mt CO2/y)International Energy Agency · as of 2026
Capacity (t CO₂ capt/y)1,700,000 t CO₂ capt/yInternational Energy Agency · as of 2026
Capacity (kt H2/y)183 kt H2/yInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- IEA Hydrogen Projects dataset Shared by 10 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
Field sources
Shared date, confidence and value status appear once with their source above; a dash in the table refers to that source context.
| Field | Shown value | Original value | Source | Date basis | Meaning |
|---|---|---|---|---|---|
| Name | Mountaineer Gigasystem (WV) Phase 4 | View exact valueMountaineer Gigasystem (WV) Phase 4 | IEA Hydrogen Projects dataset | — | — |
| Country | United States | View exact valueUnited States | IEA Hydrogen Projects dataset | — | — |
| Configuration Detail | Unknown technology | View exact valueUnknown technology | IEA Hydrogen Projects dataset | — | — |
| Product | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Technology | NG w CCUS | View exact valueNG w CCUS | IEA Hydrogen Projects dataset | — | — |
| Progress Status | Concept | View exact valueConcept | IEA Hydrogen Projects dataset | — | — |
| Administrative Area | Mason County (WV) | View exact valueMason County (WV) | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 2000 t H2/d - 6.8 Mt CO2/y (phase 4: 500 t H2/d - 1.7 Mt CO2/y) | View exact value2000 t H2/d - 6.8 Mt CO2/y (phase 4: 500 t H2/d - 1.7 Mt CO2/y) | IEA Hydrogen Projects dataset | — | — |
| Capacity (t CO₂ capt/y) | 1,700,000 t CO₂ capt/y | View exact value1700000 t CO₂ capt/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 183 kt H2/y | View exact value182.5 kt H2/y | IEA Hydrogen Projects dataset | — | — |
Record history
0 current sourced values · 5 older values · Record updated