Nautilus
Overview
StatusPreliminary feasibility study (reported 3 May 2022)
Country · regionGermanyInternational Energy Agency · as of 2026 · Lower Saxony
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductMeOHInternational Energy Agency · as of 2026
CapacityInitial electrolyser capacity: 75 MW (announced 3 May 2022)
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. “Other Electrolysis” and “Unknown PtX” are recorded classifications, not a specific electrolyzer design or power-to-X route.
Details
Technology & product
Configuration DetailUnknown PtXInternational Energy Agency · as of 2026
Final UsePlanned green hydrogen and e-methanol production mainly for maritime use (announced 3 May 2022)
Status & timeline
Lifecycle StagePreliminary feasibility study (reported 3 May 2022)
EventIn May 2022, HY2GEN announced an initial electrolyzer capacity of 75 MW for Nautilus.
Date online (tracker field)2028 (meaning under review)International Energy Agency · as of 2026
Location & names
Site NameFriesoythe
Additional project information
Administrative AreaRandom location in NiedersachsenInternational Energy Agency · as of 2026
Progress StatusConceptInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)18,889 Nm³ H₂/hInternational Energy Agency · as of 2026
Capacity (kt H2/y)14.7 kt H2/yInternational Energy Agency · as of 2026
Capacity (Announced Size)85 Mwel - 60 kt MeOH/y productionInternational Energy Agency · as of 2026
Capacity (MWel)85 MWelInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- IEA Hydrogen Projects dataset Shared by 12 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- HY2GEN Hydrogen strategy in Lower Saxony: HY2GEN and revis bioenergy plan green e-methanol plant in Friesoythe Shared by 3 fields: Current
- HY2GEN HYDROGEN STRATEGY IN LOWER SAXONY Shared by 4 fields: Current
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 | Nautilus | View exact valueNautilus | IEA Hydrogen Projects dataset | — | — |
| Site Name | Friesoythe | View exact valueFriesoythe | Hydrogen strategy in Lower Saxony: HY2GEN and revis bioenergy plan green e-methanol plant in Friesoythe | — | |
| Administrative Area | Lower Saxony | View exact valueLower Saxony | Hydrogen strategy in Lower Saxony: HY2GEN and revis bioenergy plan green e-methanol plant in Friesoythe | — | |
| Country | Germany | View exact valueGermany | IEA Hydrogen Projects dataset | — | — |
| Configuration Detail | Unknown PtX | View exact valueUnknown PtX | IEA Hydrogen Projects dataset | — | — |
| Final Use | Planned green hydrogen and e-methanol production mainly for maritime use (announced 3 May 2022) | View exact valuePlanned green hydrogen and e-methanol production mainly for maritime use (announced 3 May 2022) | HYDROGEN STRATEGY IN LOWER SAXONY | — | |
| Product | MeOH | View exact valueMeOH | IEA Hydrogen Projects dataset | — | — |
| Technology | Other Electrolysis | View exact valueOther Electrolysis | IEA Hydrogen Projects dataset | — | — |
| Capacity | Initial electrolyser capacity: 75 MW (announced 3 May 2022) | View exact valueInitial electrolyser capacity: 75 MW (announced 3 May 2022) | HYDROGEN STRATEGY IN LOWER SAXONY | — | |
| Event | In May 2022, HY2GEN announced an initial electrolyzer capacity of 75 MW for Nautilus. | View exact valueIn May 2022, HY2GEN announced an initial electrolyzer capacity of 75 MW for Nautilus. | Hydrogen strategy in Lower Saxony: HY2GEN and revis bioenergy plan green e-methanol plant in Friesoythe | — | |
| Event | Date online : 2028 | View exact value{"date":"2028","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"} | IEA Hydrogen Projects dataset | — | — |
| Lifecycle Stage | Preliminary feasibility study (reported 3 May 2022) | View exact valuePreliminary feasibility study (reported 3 May 2022) | HYDROGEN STRATEGY IN LOWER SAXONY | — | |
| Progress Status | Preliminary feasibility study (reported 3 May 2022) | View exact valuePreliminary feasibility study (reported 3 May 2022) | HYDROGEN STRATEGY IN LOWER SAXONY | — | |
| Administrative Area | Random location in Niedersachsen | View exact valueRandom location in Niedersachsen | IEA Hydrogen Projects dataset | — | — |
| Progress Status | Concept | View exact valueConcept | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 18,889 Nm³ H₂/h | View exact value18888.88888888889 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 14.7 kt H2/y | View exact value14.726533333333334 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 85 Mwel - 60 kt MeOH/y production | View exact value85 Mwel - 60 kt MeOH/y production | IEA Hydrogen Projects dataset | — | — |
| Capacity (MWel) | 85 MWel | View exact value85 MWel | IEA Hydrogen Projects dataset | — | — |
Record history
7 current sourced values · 5 older values · Record updated