BP Castellon refinery, phase 1
Overview
StatusFID / ConstructionInternational Energy Agency · as of 2026
Country · regionSpainIberdrola España
TechnologyPEM
ProductH2International Energy Agency · as of 2026
Capacity25 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)Iberdrola España
Project Groupbp and Iberdrola España green hydrogen projects at Castellón refinery (initial 25 MW project)Iberdrola España
Project Typehydrogen production facilityIberdrola España
Capacity & economics
FinancingEUR 15 million awarded to the Castellón initiative, including ITE participation, through Spain's Recovery, Transformation and Resilience Plan, funded by NextGenerationEU (September 2024 announcement)
Status & timeline
Date online (tracker field)2026 (meaning under review)International Energy Agency · as of 2026
Location & names
Site Namebp's Castellón refineryIberdrola España
AliasBP Castellon refinery, phase 1Iberdrola España
Official NameCastellón Green HydrogenIberdrola España
Additional project information
Administrative AreaBP oil refinery CastellonInternational Energy Agency · as of 2026
CountrySpainInternational Energy Agency · as of 2026
TechnologyPEMInternational Energy Agency · as of 2026
Capacity (Announced Size)25 MWInternational Energy Agency · as of 2026
Capacity (kt H2/y)3.75 kt H2/yInternational Energy Agency · as of 2026
Capacity (Nm³ H₂/h)4,808 Nm³ H₂/hInternational Energy Agency · as of 2026
Timeline
- Construction start : 2025-02-07Iberdrola
- Commissioning start : 2026-06-25Iberdrola España
- Target start of operation : before the end of this yearIberdrola España
Sources & record history
Sources
- Cinco Días Iberdrola, BP y Enagás planean invertir 90 millones en Castellón para producir hidrógeno verde | Empresas | Cinco Días
- Iberdrola España Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain)
- H2Prism earlier record (SRC-C-P200)
- International Energy Agency IEA Hydrogen Projects dataset Shared by 10 fields: Snapshot 2026-06-18 · Confidence: reported · Older value (2026)
- www.bp.com bp and Iberdrola announce final investment decision for largest green hydrogen plant in Spain Shared by 2 fields: Current
- Iberdrola Iberdrola (https://www.iberdrola.com/documents/20125/4939713/250207-the-joint-venture-between-bp-and-iberdrola-espana-starts-construction-work-on-spains-largest-green-hydrogen-plant.pdf)
- Iberdrola España Iberdrola España (https://www.iberdrolaespana.com/press-room/news/opportunities-green-hydrogen-production-castellon)
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 | BP Castellon refinery, phase 1 | View exact valueBP Castellon refinery, phase 1 | Iberdrola, BP y Enagás planean invertir 90 millones en Castellón para producir hidrógeno verde | Empresas | Cinco Días | Current | |
| Site Name | bp's Castellón refinery | View exact valuebp's Castellón refinery | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Alias | BP Castellon refinery, phase 1 | View exact value[{"kind":"source_label","name":"BP Castellon refinery, phase 1"}] | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Country | Spain | View exact valueESP | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Official Name | Castellón Green Hydrogen | View exact value[{"lang":"en","name":"Castellón Green Hydrogen","evidence":["E-02"]}] | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); 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":"5 modules of 5 MW containerized proton exchange membrane (PEM) technology","component_id":"CMP-1"} | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); 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 | bp and Iberdrola España green hydrogen projects at Castellón refinery (initial 25 MW project) | View exact value{"exists":true,"evidence":["E-02"],"group_name":"bp and Iberdrola España green hydrogen projects at Castellón refinery","phase_name":"initial 25 MW project","phase_order":1} | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Project Type | hydrogen production facility | View exact valuehydrogen_production_facility | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); Iberdrola España (https://www.iberdrolaespana.com/press-room/news/detail/240912-bp-iberdrola-announce-final-investment-decision-for-largest-green-hydrogen-plant-in-spain); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Technology | PEM | View exact valuePEM | bp and Iberdrola announce final investment decision for largest green hydrogen plant in Spain | — | |
| Capacity | 25 MW | View exact value25 MW | IEA Hydrogen Projects dataset | — | — |
| Financing | EUR 15 million awarded to the Castellón initiative, including ITE participation, through Spain's Recovery, Transformation and Resilience Plan, funded by NextGenerationEU (September 2024 announcement) | View exact valueEUR 15 million awarded to the Castellón initiative, including ITE participation, through Spain's Recovery, Transformation and Resilience Plan, funded by NextGenerationEU (September 2024 announcement) | bp and Iberdrola announce final investment decision for largest green hydrogen plant in Spain | — | |
| Event | Construction start : 2025-02-07 | View exact value{"date":"2025-02-07","tags":{"as_of":"2025-02-07","source":"Iberdrola","evidence":["E-06"],"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":"7 February 2025","date_precision":"day"} | Iberdrola (https://www.iberdrola.com/documents/20125/4939713/250207-the-joint-venture-between-bp-and-iberdrola-espana-starts-construction-work-on-spains-largest-green-hydrogen-plant.pdf); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Commissioning start : 2026-06-25 | View exact value{"date":"2026-06-25","tags":{"as_of":"2026-06-25","source":"Iberdrola España","evidence":["E-05"],"judged_by":"worker_review","confidence":"high","accessed_at":"2026-08-18T06:20:00+09:00"},"ev_type":"EV-11","event_id":"V-03","raw_date_text":"25/06/2026","date_precision":"day"} | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/opportunities-green-hydrogen-production-castellon); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200) | Older value | |
| Event | Target start of operation : before the end of this year | View exact value{"date":"before the end of this year","tags":{"as_of":"2026-06-25","source":"Iberdrola España","evidence":["E-05"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T06:20:00+09:00"},"ev_type":"EV-14","event_id":"V-04","raw_date_text":"before the end of this year","date_precision":"range"} | Iberdrola España (https://www.iberdrolaespana.com/press-room/news/opportunities-green-hydrogen-production-castellon); 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 | BP oil refinery Castellon | View exact valueBP oil refinery Castellon | IEA Hydrogen Projects dataset | — | — |
| Country | Spain | View exact valueSpain | IEA Hydrogen Projects dataset | — | — |
| Technology | PEM | View exact valuePEM | IEA Hydrogen Projects dataset | — | — |
| Capacity (Announced Size) | 25 MW | View exact value25 MW | IEA Hydrogen Projects dataset | — | — |
| Capacity (kt H2/y) | 3.75 kt H2/y | View exact value3.7482692307692305 kt H2/y | IEA Hydrogen Projects dataset | — | — |
| Capacity (Nm³ H₂/h) | 4,808 Nm³ H₂/h | View exact value4807.692307692308 Nm³ H₂/h | IEA Hydrogen Projects dataset | — | — |
Record history
2 current sourced values · 14 older values · Record updated