ELYgator
Overview
StatusFID / ConstructionAir Liquide
Country · regionNetherlandsAir Liquide
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity200 MWInternational 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. “Other Electrolysis” and “Unknown PtX” are recorded classifications, not a specific electrolyzer design or power-to-X route.
Details
Technology & product
Componentselectrolysis (Hybrid alk pem)Air Liquide
Configuration DetailPEM+ALKInternational Energy Agency · as of 2026
Final Useserving industrial and heavy-duty mobility customersAir Liquide
Project Typehydrogen production facilityAir Liquide
Status & timeline
Date online (tracker field)2027 (meaning under review)International Energy Agency · as of 2026
Location & names
Site NameMaasvlakte, Port of RotterdamAir Liquide
Official NameELYgatorAir Liquide
Additional project information
Administrative AreaMaasvlakteInternational Energy Agency · as of 2026
CountryNetherlandsInternational Energy Agency · as of 2026
Progress StatusFID / ConstructionInternational Energy Agency · as of 2026
Capacity (kt H2/y)34.7 kt H2/yInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)44,444 Nm³ H₂/hInternational Energy Agency · as of 2026
Capacity (Announced Size)200 MWInternational Energy Agency · as of 2026
Timeline
- Construction start : 2025Air Liquide
- Final investment decision (FID) : 2025-07-23Air Liquide
- Target start of operation : 2027Air Liquide
Sources & record history
Sources
- Air Liquide Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands)
- Air Liquide Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands)
- H2Prism earlier record (SRC-C-P200)
- International Energy Agency IEA Hydrogen Projects dataset Shared by 11 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 | ELYgator | View exact valueELYgator | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Site Name | Maasvlakte, Port of Rotterdam | View exact value{"text":"Maasvlakte, Port of Rotterdam"} | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Country | Netherlands | View exact valueNLD | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | ELYgator | View exact value[{"lang":"en","name":"ELYgator","evidence":["E-01","E-04"]}] | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Components | electrolysis (Hybrid alk pem) | View exact value{"kind":"electrolysis","tech":"HYBRID_ALK_PEM","tech_raw":"Proton Exchange Membrane and Alkaline technologies","component_id":"CMP-1"} | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Configuration Detail | PEM+ALK | View exact valuePEM+ALK | IEA Hydrogen Projects dataset | — | — |
| Final Use | serving industrial and heavy-duty mobility customers | View exact value{"value":"기타","raw_text":"serving industrial and heavy-duty mobility customers"} | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Product | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Project Type | hydrogen production facility | View exact valuehydrogen_production_facility | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Technology | Other Electrolysis | View exact valueOther Electrolysis | IEA Hydrogen Projects dataset | — | — |
| Capacity | 200 MW | View exact value200 MW | IEA Hydrogen Projects dataset | — | — |
| Event | Final investment decision (FID) : 2025-07-23 | View exact value{"date":"2025-07-23","tags":{"as_of":"2025-07","source":"Air Liquide","evidence":["E-01"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-05","event_id":"V-01","raw_date_text":"Air Liquide takes a major step forward in European decarbonization efforts with the final investment decision to launch the construction of ELYgator","date_precision":"day"} | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Construction start : 2025 | View exact value{"date":"2025","tags":{"as_of":"2025","source":"Air Liquide","evidence":["E-04"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-10","event_id":"V-02","raw_date_text":"In 2025, Air Liquide started construction of the ELYgator electrolyzer in Maasvlakte, within the Port of Rotterdam.","date_precision":"year"} | Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Target start of operation : 2027 | View exact value{"date":"2027","tags":{"as_of":"2025-07","source":"Air Liquide","evidence":["E-03"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-14","event_id":"V-03","raw_date_text":"The project aims to be operational by the end of 2027.","date_precision":"year"} | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Date online : 2027 | View exact value{"date":"2027","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"} | IEA Hydrogen Projects dataset | — | — |
| Progress Status | FID / Construction | View exact valueFID/Construction | Air Liquide (https://www.airliquide.com/group/press-releases-news/2025-07-23/air-liquide-takes-final-investment-decision-build-elygator-large-scale-electrolyzer-netherlands); Air Liquide (https://www.airliquide.com/elygator-large-scale-electrolyzer-netherlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Administrative Area | Maasvlakte | View exact valueMaasvlakte | IEA Hydrogen Projects dataset | — | — |
| Country | Netherlands | View exact valueNetherlands | IEA Hydrogen Projects dataset | — | — |
| Progress Status | FID / Construction | View exact valueFID/Construction | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 34.7 kt H2/y | View exact value34.650666666666666 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 44,444 Nm³ H₂/h | View exact value44444.444444444445 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 200 MW | View exact value200MW | IEA Hydrogen Projects dataset | — | — |
Record history
0 current sourced values · 15 older values · Record updated