Megaton Moon, phase 2
Overview
StatusConceptInternational Energy Agency · as of 2026
Country · regionMauritaniaGreenGo Energy
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductAmmoniaInternational Energy Agency · as of 2026
Capacity5,500 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
ComponentsElectrolyserGreenGo Energy
Configuration DetailUnknown PtXInternational Energy Agency · as of 2026
Project GroupMegaton Moon (Phase 2)GreenGo Energy
Project Typehydrogen production facilityGreenGo Energy
Capacity & economics
Production Volume1,700,000 metric tons/year green ammonia (target)GreenGo Energy
Location & names
Official NameMegaton MoonGreenGo Energy
Additional project information
Administrative AreaNouakchottInternational Energy Agency · as of 2026
CountryMauritaniaInternational Energy Agency · as of 2026
Capacity (Announced Size)6 GW (phase 2: 5500 MW(International Energy Agency · as of 2026
Capacity (kt H2/y)953 kt H2/yInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)1,222,222 Nm³ H₂/hInternational Energy Agency · as of 2026
Timeline
- Investment agreement signed : 2025-02-17GreenGo Energy
- Announcement : 2025-11-12GreenGo Energy
Sources & record history
Sources
- IEA Hydrogen Projects dataset Shared by 11 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- GreenGo Energy GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117)
- H2Prism earlier record (SRC-C-P200)
- GreenGo Energy GreenGo Energy (https://www.greengoenergy.com/news/megaton-moon-concession-250217)
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 | Megaton Moon, phase 2 | View exact valueMegaton Moon, phase 2 | IEA Hydrogen Projects dataset | — | — |
| Country | Mauritania | View exact valueMRT | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | Megaton Moon | View exact value[{"lang":"en","name":"Megaton Moon","evidence":["E-01"]}] | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Components | Electrolyser | View exact value{"kind":"전해조","tech":"기타","tech_raw":"electrolyser capacity","component_id":"CMP-1"} | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Configuration Detail | Unknown PtX | View exact valueUnknown PtX | IEA Hydrogen Projects dataset | — | — |
| Product | Ammonia | View exact valueAmmonia | IEA Hydrogen Projects dataset | — | — |
| Project Group | Megaton Moon (Phase 2) | View exact value{"exists":true,"evidence":["E-01"],"group_name":"Megaton Moon","phase_name":"Phase 2","phase_order":2} | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Project Type | hydrogen production facility | View exact valuehydrogen_production_facility | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); 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 | 5,500 MW | View exact value5500 MW | IEA Hydrogen Projects dataset | — | — |
| Production Volume | 1,700,000 metric tons/year green ammonia (target) | View exact value{"unit":"metric tons/year","basis":"불명","nature":"목표","number":1700000,"of_what":"green ammonia","raw_text":"Expansion to a total capacity of up to 1.7 million metric tons annually."} | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Announcement : 2025-11-12 | View exact value{"date":"2025-11-12","tags":{"as_of":"2025-11-12","source":"GreenGo Energy press release","evidence":["E-01"],"judged_by":"worker_review","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-01","event_id":"V-01","raw_date_text":"12 Nov 2025","date_precision":"day"} | GreenGo Energy (https://www.greengoenergy.com/news/gge-mauritania-251117); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Investment agreement signed : 2025-02-17 | View exact value{"date":"2025-02-17","tags":{"as_of":"2025-02-17","source":"GreenGo Energy press release","evidence":["E-03"],"judged_by":"worker_review","confidence":"high","accessed_at":"2026-08-18T00:00:00Z"},"ev_type":"EV-04","event_id":"V-02","raw_date_text":"Feb 17","date_precision":"day"} | GreenGo Energy (https://www.greengoenergy.com/news/megaton-moon-concession-250217); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Progress Status | Concept | View exact valueConcept | IEA Hydrogen Projects dataset | — | — |
| Administrative Area | Nouakchott | View exact valueNouakchott | IEA Hydrogen Projects dataset | — | — |
| Country | Mauritania | View exact valueMauritania | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 6 GW (phase 2: 5500 MW( | View exact value6 GW (phase 2: 5500 MW( | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 953 kt H2/y | View exact value952.8933333333333 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 1,222,222 Nm³ H₂/h | View exact value1222222.2222222222 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
Record history
0 current sourced values · 13 older values · Record updated