H2-Wyhlen (Phase 2)
Overview
StatusFirst hydrogen produced at end of July; components being tested and ramped up; commercial operation planned for early 2027 (1 October 2026 announcement)
Country · regionGermanyEnBW Energie Baden-Württemberg AG · as of 2025 · Grenzach-WyhlenFederal Ministry for Economic Affairs and Climate Action / energieforschung.de · as of 2024
TechnologyPEM electrolysis in the new 5 MW plantwater electrolysis / power-to-gasFederal Ministry for Economic Affairs and Climate Action / energieforschung.de · as of 2024
ProductHydrogen
Capacity5 MW electrical capacity of the new PEM electrolyser (1 October 2026 announcement)
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
Componentssecond 5 MW power-to-gas plant, H₂ pressure-storage expansion, ZSW test facility up to 1 MWEnBW Energie Baden-Württemberg AG
Configuration Detailnew 5 MW power-to-gas plant; H₂ storage +3.8 t at 500 bar; ZSW test facility up to 1 MWEnBW Energie Baden-Württemberg AG
Final Useindustrial use at DSM site for chemical vitamin productionEnBW Energie Baden-Württemberg AGPlanned supply to industrial and mobility customers in the Germany-Switzerland-France border region
Power Sourcerenewable electricity from neighbouring hydropower plantFederal Ministry for Economic Affairs and Climate Action / energieforschung.de · as of 2024Electricity from the adjacent Wyhlen hydropower station
Project Typeliving lab for the energy transition / demonstration projectFederal Ministry for Economic Affairs and Climate Action / energieforschung.de · as of 2024
Capacity & economics
FinancingFederal subsidy: €7.5 millionEnBW Energie Baden-Württemberg AG · as of 2025
Total Capexca. 40 Mio. €EnBW Energie Baden-Württemberg AG
Status & timeline
Lifecycle StageTechnical commissioning and testing following inauguration (as of 1 October 2026); trial operation still planned
Phase Sequencesecond production plant; alongside first production plant of 2019EnBW Energie Baden-Württemberg AG · as of 2025
Location & names
Site NameWasserkraftwerk WyhlenEnBW Energie Baden-Württemberg AG · as of 2025
Additional project information
Progress StatusConceptEuropean Clean Hydrogen Partnership · as of 2025
TechnologyWater electrolysisEuropean Clean Hydrogen Partnership · as of 2025
Timeline
- symbolic ground-breaking / construction start : 2024-06-12Federal Ministry for Economic Affairs and Climate Action / energieforschung.de · as of 2024
Sources & record history
Sources
- European Hydrogen Observatory projects Dec2025 Shared by 3 fields: Snapshot 2025-12-01 · Confidence: reported · Older value (2025)
- EnBW Energie Baden-Württemberg AG Reallabor H2-Wyhlen: Energiewende-Projekt erreicht nächsten Meilenstein · 2025-06-30 Shared by 4 fields: Source dated 2025-06-30 · Older value (2025)
- Federal Ministry for Economic Affairs and Climate Action / energieforschung.de H2-Wyhlen: Ground-breaking ceremony for second power-to-gas plant · 2024-06-12 Shared by 5 fields: Source dated 2024-06-12 · Older value (2024)
- EnBW Energie Baden-Württemberg AG Reallabor H₂-Wyhlen · Publication date unknown · accessed 2026-08-28 Shared by 4 fields: Publication date unknown · accessed 2026-08-28 · Older value
- EnBW Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein · 2026-10-01 Shared by 7 fields: Source dated 2026-10-01 · 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 | H2-Wyhlen (Phase 2) | View exact valueH2-Wyhlen (Phase 2) | European Hydrogen Observatory projects Dec2025 | — | — |
| Site Name | Wasserkraftwerk Wyhlen | View exact valueWasserkraftwerk Wyhlen | Reallabor H2-Wyhlen: Energiewende-Projekt erreicht nächsten Meilenstein | — | — |
| Administrative Area | Grenzach-Wyhlen | View exact valueGrenzach-Wyhlen | H2-Wyhlen: Ground-breaking ceremony for second power-to-gas plant | — | — |
| Country | Germany | View exact valueGermany | Reallabor H2-Wyhlen: Energiewende-Projekt erreicht nächsten Meilenstein | — | — |
| Components | second 5 MW power-to-gas plant, H₂ pressure-storage expansion, ZSW test facility up to 1 MW | View exact value["second 5 MW power-to-gas plant","H₂ pressure-storage expansion","ZSW test facility up to 1 MW"] | Reallabor H₂-Wyhlen | — | — |
| Configuration Detail | new 5 MW power-to-gas plant; H₂ storage +3.8 t at 500 bar; ZSW test facility up to 1 MW | View exact valuenew 5 MW power-to-gas plant; H₂ storage +3.8 t at 500 bar; ZSW test facility up to 1 MW | Reallabor H₂-Wyhlen | — | — |
| Final Use | industrial use at DSM site for chemical vitamin production | View exact valueindustrial use at DSM site for chemical vitamin production | Reallabor H₂-Wyhlen | — | — |
| Final Use | Planned supply to industrial and mobility customers in the Germany-Switzerland-France border region | View exact valuePlanned supply to industrial and mobility customers in the Germany-Switzerland-France border region | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Power Source | renewable electricity from neighbouring hydropower plant | View exact valuerenewable electricity from neighbouring hydropower plant | H2-Wyhlen: Ground-breaking ceremony for second power-to-gas plant | — | — |
| Power Source | Electricity from the adjacent Wyhlen hydropower station | View exact valueElectricity from the adjacent Wyhlen hydropower station | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Product | Hydrogen | View exact valueHydrogen | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Project Type | living lab for the energy transition / demonstration project | View exact valueliving lab for the energy transition / demonstration project | H2-Wyhlen: Ground-breaking ceremony for second power-to-gas plant | — | — |
| Technology | PEM electrolysis in the new 5 MW plant | View exact valuePEM electrolysis in the new 5 MW plant | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Technology | water electrolysis / power-to-gas | View exact valuewater electrolysis / power-to-gas | H2-Wyhlen: Ground-breaking ceremony for second power-to-gas plant | — | — |
| Capacity | 5 MW electrical capacity of the new PEM electrolyser (1 October 2026 announcement) | View exact value5 MW electrical capacity of the new PEM electrolyser (1 October 2026 announcement) | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Financing | Federal subsidy: €7.5 million | View exact valueFederal subsidy: €7.5 million | Reallabor H2-Wyhlen: Energiewende-Projekt erreicht nächsten Meilenstein | — | — |
| Total Capex | ca. 40 Mio. € | View exact valueca. 40 Mio. € | Reallabor H₂-Wyhlen | — | — |
| Event | symbolic ground-breaking / construction start : 2024-06-12 | View exact value{"date":"2024-06-12","event":"symbolic ground-breaking / construction start"} | H2-Wyhlen: Ground-breaking ceremony for second power-to-gas plant | — | — |
| Lifecycle Stage | Technical commissioning and testing following inauguration (as of 1 October 2026); trial operation still planned | View exact valueTechnical commissioning and testing following inauguration (as of 1 October 2026); trial operation still planned | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Phase Sequence | second production plant; alongside first production plant of 2019 | View exact valuesecond production plant; alongside first production plant of 2019 | Reallabor H2-Wyhlen: Energiewende-Projekt erreicht nächsten Meilenstein | — | — |
| Progress Status | First hydrogen produced at end of July; components being tested and ramped up; commercial operation planned for early 2027 (1 October 2026 announcement) | View exact valueFirst hydrogen produced at end of July; components being tested and ramped up; commercial operation planned for early 2027 (1 October 2026 announcement) | Wasserstoff aus Wasserkraft: EnBW und naturenergie weihen zweite Produktionsanlage in Wyhlen ein | — | — |
| Progress Status | Concept | View exact valueannounced_or_planned | European Hydrogen Observatory projects Dec2025 | — | — |
| Technology | Water electrolysis | View exact valueWater electrolysis | European Hydrogen Observatory projects Dec2025 | — | — |
Record history
7 current sourced values · 13 older values · Record updated