Centrale Electrique de l’Ouest Guyanais (CEOG)
Overview
StatusFID / ConstructionInternational Energy Agency · as of 2026
Country · regionFranceHDF Energy · GuyaneHDF Energy
TechnologyALKInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity16 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.
Details
Technology & product
ComponentsElectrolyser (Alkaline)HDF Energy
Final UsePower generationHDF EnergyPlanned conversion of stored hydrogen to electricity for continuous local grid supply (April 2025 announcement)
Power SourceSolar photovoltaic power (April 2025 design)
Project Typehydrogen production facilityHDF Energy
Capacity & economics
Purchase Agreement DetailsTerm: 25 years; Buyer: EDF; Product: electricityHDF Energy
Status & timeline
Date online (tracker field)2026 (meaning under review)International Energy Agency · as of 2026
Location & names
Site Namelot crique St-Anne Est, 97360 MANAHDF Energy
AliasCEOG; CEOG Renewstable® Power PlantHDF Energy
Local NameCentrale Électrique de l’Ouest GuyanaisHDF Energy
Official NameCentrale Électrique de l’Ouest Guyanais; West Guiana Power PlantHDF Energy
Additional project information
Administrative AreaFrench GuianaInternational Energy Agency · as of 2026
CountryFranceInternational Energy Agency · as of 2026
Capacity (Announced Size)16 MWInternational Energy Agency · as of 2026
Capacity (kt H2/y)2.71 kt H2/yInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)3,478 Nm³ H₂/hInternational Energy Agency · as of 2026
Timeline
- Financial close : 2021-09-29HDF Energy
- Construction start : 2021-09-29HDF Energy
- Target start of operation : 2026HDF Energy
Sources & record history
Sources
- Actusnews Wire HYDROGENE DE FRANCE - HDF Energy Breaks Ground on World's Largest Green Hydrogen-Power Project - 29/09/2021 - 17H45 - Actusnews Wire
- HDF Energy HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf)
- McPhy Energy McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf)
- HDF Energy HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242)
- H2Prism earlier record (SRC-C-P200)
- HDF Energy Lettre aux actionnaires — avril 2025 Shared by 2 fields: Current
- International Energy Agency IEA Hydrogen Projects dataset Shared by 10 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- HDF Energy HDF Energy (https://hdf-energy.com/fr/investors/communiques-de-presse/?CLIENT=ACTUS-0-478&ID=ACTUS-0-94096)
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 | Centrale Electrique de l’Ouest Guyanais (CEOG) | View exact valueCentrale Electrique de l’Ouest Guyanais (CEOG) | HYDROGENE DE FRANCE - HDF Energy Breaks Ground on World's Largest Green Hydrogen-Power Project - 29/09/2021 - 17H45 - Actusnews Wire | Current | |
| Site Name | lot crique St-Anne Est, 97360 MANA | View exact valuelot crique St-Anne Est, 97360 MANA | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Administrative Area | Guyane | View exact valueGuyane | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Alias | CEOG; CEOG Renewstable® Power Plant | View exact value[{"kind":"source_label","name":"CEOG"},{"kind":"source_label","name":"CEOG Renewstable® Power Plant"}] | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Country | France | View exact valueFRA | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Local Name | Centrale Électrique de l’Ouest Guyanais | View exact valueCentrale Électrique de l’Ouest Guyanais | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | Centrale Électrique de l’Ouest Guyanais; West Guiana Power Plant | View exact value[{"lang":"fr","name":"Centrale Électrique de l’Ouest Guyanais","evidence":["E-07"]},{"lang":"en","name":"West Guiana Power Plant","evidence":["E-02"]}] | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Components | Electrolyser (Alkaline) | View exact value{"kind":"전해조","tech":"알칼라인","tech_raw":"high-pressure alkaline electrolysis (30 bar)","component_id":"CMP-1"} | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Final Use | Power generation | View exact value발전 | HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Final Use | Planned conversion of stored hydrogen to electricity for continuous local grid supply (April 2025 announcement) | View exact valuePlanned conversion of stored hydrogen to electricity for continuous local grid supply (April 2025 announcement) | Lettre aux actionnaires — avril 2025 | — | |
| Power Source | Solar photovoltaic power (April 2025 design) | View exact valueSolar photovoltaic power (April 2025 design) | Lettre aux actionnaires — avril 2025 | — | |
| Product | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Project Type | hydrogen production facility | View exact valuehydrogen_production_facility | HDF Energy (https://hdf-energy.com/site/assets/files/1653/shareholders_letter.pdf); McPhy Energy (https://mcphy-finance.com/images/PDF/cp/gb/2021/21.09.29.PR_McPhy_CEOG_EN.pdf); HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Technology | ALK | View exact valueALK | IEA Hydrogen Projects dataset | — | — |
| Capacity | 16 MW | View exact value16 MW | IEA Hydrogen Projects dataset | — | — |
| Purchase Agreement Details | Term: 25 years; Buyer: EDF; Product: electricity | View exact value{"term":"25 years","buyer":"EDF","binding":"불명","product":"electricity","raw_text":"25 years Power Purchase Agreement (PPA) signed with the French utility EDF"} | HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Financial close : 2021-09-29 | View exact value{"date":"2021-09-29","tags":{"as_of":"2021-09-29","source":"HDF Energy press release","evidence":["E-08"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-17T20:52:33Z"},"ev_type":"EV-06","event_id":"V-01","raw_date_text":"2021/09/29 5:45 PM; After successful financial close","date_precision":"day"} | HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Construction start : 2021-09-29 | View exact value{"date":"2021-09-29","tags":{"as_of":"2021-09-29","source":"HDF Energy press release","evidence":["E-08"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-17T20:52:33Z"},"ev_type":"EV-10","event_id":"V-02","raw_date_text":"2021/09/29 5:45 PM; HDF Energy starts construction of CEOG","date_precision":"day"} | HDF Energy (https://hdf-energy.com/en/investors/press-release/?CLIENT=ACTUS-0-478&ID=ACTUS-0-71242); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Target start of operation : 2026 | View exact value{"date":"2026","tags":{"as_of":"2025-09-22","source":"HDF Energy press release","evidence":["E-01"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-17T20:52:33Z"},"ev_type":"EV-14","event_id":"V-03","raw_date_text":"mise en service mi-2026","date_precision":"mid-year"} | HDF Energy (https://hdf-energy.com/fr/investors/communiques-de-presse/?CLIENT=ACTUS-0-478&ID=ACTUS-0-94096); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Date online : 2026 | View exact value{"date":"2026","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"} | IEA Hydrogen Projects dataset | — | — |
| Progress Status | FID / Construction | View exact valueFID/Construction | IEA Hydrogen Projects dataset | — | — |
| Administrative Area | French Guiana | View exact valueFrench Guiana | IEA Hydrogen Projects dataset | — | — |
| Country | France | View exact valueFrance | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 16 MW | View exact value16MW | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 2.71 kt H2/y | View exact value2.711791304347826 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 3,478 Nm³ H₂/h | View exact value3478.2608695652175 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
Record history
2 current sourced values · 18 older values · Record updated