Dolphyn 1, phase 3
Overview
StatusConceptInternational Energy Agency · as of 2026
Country · regionUnited KingdomERM
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity3,900 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
ComponentsElectrolyser (Other electrolysis)ERM
Configuration DetailUnknown PtXInternational Energy Agency · as of 2026
Project GroupDolphyn (Phase 3)ERM
Project Typehydrogen production facilityERM
Status & timeline
Date online (tracker field)2034 (meaning under review)International Energy Agency · as of 2026
Location & names
AliasDolphyn 1, phase 3ERM
Official NameDolphyn Commercial Scale Demonstrator (CSD)ERM
Additional project information
Administrative Area15 km Southeast AberdeenInternational Energy Agency · as of 2026
CountryUnited KingdomInternational Energy Agency · as of 2026
Capacity (Announced Size)4000 MW (phase 3: 3900 MW)International Energy Agency · as of 2026
Capacity (kt H2/y)676 kt H2/yInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)866,667 Nm³ H₂/hInternational Energy Agency · as of 2026
Timeline
No recorded project events.
Sources & record history
Sources
- IEA Hydrogen Projects dataset Shared by 12 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- ERM ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.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 | Dolphyn 1, phase 3 | View exact valueDolphyn 1, phase 3 | IEA Hydrogen Projects dataset | — | — |
| Alias | Dolphyn 1, phase 3 | View exact value[{"kind":"source_label","name":"Dolphyn 1, phase 3"}] | ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Country | United Kingdom | View exact valueGBR | ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | Dolphyn Commercial Scale Demonstrator (CSD) | View exact value[{"lang":"en","name":"Dolphyn Commercial Scale Demonstrator (CSD)","evidence":["E-01"]}] | ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Components | Electrolyser (Other electrolysis) | View exact value{"kind":"전해조","tech":"그 외 전해","tech_raw":"electrolysis","component_id":"CMP-1"} | ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.pdf); 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 | H2 | View exact valueH2 | IEA Hydrogen Projects dataset | — | — |
| Project Group | Dolphyn (Phase 3) | View exact value{"exists":true,"evidence":["E-01"],"group_name":"Dolphyn","phase_name":"Phase 3","phase_order":3} | ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.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 | ERM (https://assets.publishing.service.gov.uk/media/68da8b24ef1c2f72bc1e4b8c/low-carbon-ERM-dolphyn-report.pdf); 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 | 3,900 MW | View exact value3900 MW | IEA Hydrogen Projects dataset | — | — |
| Event | Date online : 2034 | View exact value{"date":"2034","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"} | IEA Hydrogen Projects dataset | — | — |
| Progress Status | Concept | View exact valueConcept | IEA Hydrogen Projects dataset | — | — |
| Administrative Area | 15 km Southeast Aberdeen | View exact value15 km Southeast Aberdeen | IEA Hydrogen Projects dataset | — | — |
| Country | United Kingdom | View exact valueUnited Kingdom | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 4000 MW (phase 3: 3900 MW) | View exact value4000MW (phase 3: 3900MW) | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 676 kt H2/y | View exact value675.6880000000001 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 866,667 Nm³ H₂/h | View exact value866666.6666666667 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
Record history
0 current sourced values · 12 older values · Record updated