EWE - Clean Hydrogen Coastline, project Emdem
Overview
StatusFID / ConstructionInternational Energy Agency · as of 2026
Country · regionGermanyEWE AG
TechnologyPEMInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity280 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 (PEM)EWE AG
Project GroupClean Hydrogen Coastline (Clean Hydrogen Coastline – Electrolysis East Frisia)EWE AG
Project Typehydrogen production facilityEWE AG
Status & timeline
Date online (tracker field)2027 (meaning under review)International Energy Agency · as of 2026
Location & names
Site NameEmdenEWE AG
AliasEWE - Clean Hydrogen Coastline, project EmdemEWE AG
Official NameClean Hydrogen Coastline – Electrolysis East FrisiaEWE AG
Additional project information
Administrative AreaEmden, Lower Saxony, GermanyInternational Energy Agency · as of 2026
CountryGermanyInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)53,846 Nm³ H₂/hInternational Energy Agency · as of 2026
Capacity (Announced Size)280 MWInternational Energy Agency · as of 2026
Capacity (kt H2/y)42 kt H2/yInternational Energy Agency · as of 2026
Timeline
- Equipment ordered : 2024-07-25Siemens Energy AG
- Construction start : 2025-11-28EWE AG
- Target start of operation : end of 2027EWE AG
Sources & record history
Sources
- IEA Hydrogen Projects dataset Shared by 11 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- EWE AG EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag)
- Siemens Energy AG Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf)
- H2Prism earlier record (SRC-C-P200)
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 | EWE - Clean Hydrogen Coastline, project Emdem | View exact valueEWE - Clean Hydrogen Coastline, project Emdem | IEA Hydrogen Projects dataset | — | — |
| Site Name | Emden | View exact valueEmden | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Alias | EWE - Clean Hydrogen Coastline, project Emdem | View exact value[{"kind":"source_label","name":"EWE - Clean Hydrogen Coastline, project Emdem"}] | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Country | Germany | View exact valueDEU | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | Clean Hydrogen Coastline – Electrolysis East Frisia | View exact value[{"lang":"en","name":"Clean Hydrogen Coastline – Electrolysis East Frisia","evidence":["E-01"]}] | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Components | Electrolyser (PEM) | View exact value{"kind":"전해조","tech":"PEM","tech_raw":"The electrolyzer from Siemens Energy is based on PEM technology","component_id":"CMP-1"} | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Product | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Project Group | Clean Hydrogen Coastline (Clean Hydrogen Coastline – Electrolysis East Frisia) | View exact value{"exists":true,"evidence":["E-01"],"group_name":"Clean Hydrogen Coastline","phase_name":"Clean Hydrogen Coastline – Electrolysis East Frisia","phase_order":1} | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Project Type | hydrogen production facility | View exact valuehydrogen_production_facility | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Technology | PEM | View exact valuePEM | IEA Hydrogen Projects dataset | — | — |
| Capacity | 280 MW | View exact value280 MW | IEA Hydrogen Projects dataset | — | — |
| Event | Equipment ordered : 2024-07-25 | View exact value{"date":"2024-07-25","tags":{"as_of":"2024-07-25","source":"Siemens Energy press release","evidence":["E-02"],"judged_by":"worker_review","confidence":"high","accessed_at":"2026-08-18T06:20:00+09:00"},"ev_type":"EV-08","event_id":"V-01","raw_date_text":"July 25, 2024","date_precision":"day"} | Siemens Energy AG (https://assets.siemens-energy.com/dam/7faf459a-ad29-4471-8684-b1b8008afe91/PR_Elektrolyzer-EWE_en-pdf_Original%20file.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Construction start : 2025-11-28 | View exact value{"date":"2025-11-28","tags":{"as_of":"2025-11-28","source":"EWE AG","evidence":["E-05"],"judged_by":"worker_review","confidence":"high","accessed_at":"2026-08-18T06:20:00+09:00"},"ev_type":"EV-10","event_id":"V-02","raw_date_text":"28.11.2025","date_precision":"day"} | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Target start of operation : end of 2027 | View exact value{"date":"end of 2027","tags":{"as_of":"2025-11-28","source":"EWE AG","evidence":["E-05"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T06:20:00+09:00"},"ev_type":"EV-14","event_id":"V-03","raw_date_text":"From the end of 2027","date_precision":"range"} | EWE AG (https://www.ewe.com/en/media-center/press-releases/2025/11/official-start-of-construction-of-320-megawatt-generation-plant-in-emdenewe-ag); 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 | IEA Hydrogen Projects dataset | — | — |
| Administrative Area | Emden, Lower Saxony, Germany | View exact valueEmden, Lower Saxony, Germany | IEA Hydrogen Projects dataset | — | — |
| Country | Germany | View exact valueGermany | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 53,846 Nm³ H₂/h | View exact value53846.15384615385 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 280 MW | View exact value280MW | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 42 kt H2/y | View exact value41.98061538461538 kt H2/y | IEA Hydrogen Projects dataset | — | — |
Record history
0 current sourced values · 15 older values · Record updated