H2Prism
Hydrogen calculators & data

Bahía H2 Offshore

Spain · Cantabria, Spain

Bahía H2 Offshore is a hydrogen project in Cantabria, Spain, Spain; recorded capacity: 500 (unit not recorded).

Overview

Status2025 report: progress, technical incidents/solutions and next installation/commissioning steps; completion not established
Country · regionSpain · Cantabria, Spain
Technologyalkaline electrolysis, Haber-Bosch process simulation, nanofiltration/CDI seawater treatment
Productgreen hydrogen, green ammonia (NH3)
Capacity500 (unit not recorded)

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

Componentsfloating barge/platform, seawater capture and treatment, alkaline electrolyzer, Haber-Bosch ammonia simulation, ammonia equipment/storage planned, software/energy-management platform
Final Useintended maritime-vessel fuel supply; not demonstrated offtake
Power Sourcefloating offshore wind, floating solar photovoltaic
Project GroupSupercluster Atlantic Wind (SAW); SICC, FAEN-Ainer and Asime
Project Typepilot research and development project

Capacity & economics

Awarded Price5.7 EUR million (provisional financing grant)
FinancingPERTE ERHA / IDAE incentive programme under Recovery, Transformation and Resilience Plan; provisional 5.7 million EUR grant

Status & timeline

Lifecycle Stagepilot R&D; phase-1 design/construction/installation/monitoring stated; operation not established
Phase SequencePhase: 1; Scope: prototype barge at Port of Santander; 500 kW electrolyzer; hydrogen production and ammonia simulation; Period: 2023-2026; Phase: 2; Scope: planned barge expansion and BiMEP tests; Period: 2027-2029; Phase: 3; Scope: planned commercial scale-up; Period: from 2030
Eventwork stated as beginning : 2023; project presentation in Santander : 2025-10-03
Date online (tracker field)2027 (meaning under review)International Energy Agency · as of 2026

Location & names

Site NamePort of Santander; public-domain space of Santander Port Authority
AliasBahía H2, BAHIA H2, Bahia H2 Offshore

Additional project information

Administrative AreaPort of SantanderInternational Energy Agency · as of 2026
Progress StatusFeasibilityInternational Energy Agency · as of 2026
ProductAmmoniaInternational Energy Agency · as of 2026
TechnologyPEMInternational Energy Agency · as of 2026

Timeline

No recorded project events.

Sources & record history

Sources

Field sources

Shared date, confidence and value status appear once with their source above; a dash in the table refers to that source context.

FieldShown valueOriginal valueSourceDate basisMeaning
NameBahía H2 Offshore
View exact valueBahía H2 Offshore
BAHÍA H2 OFFSHORECurrent
Site NamePort of Santander; public-domain space of Santander Port Authority
View exact valuePort of Santander; public-domain space of Santander Port Authority
Bahía H2 Offshore. Development of hydrogen and ammonia fuel generation system with offshore wind and photovoltaic energy—
Administrative AreaCantabria, Spain
View exact valueCantabria, Spain
El proyecto Bahía h2 offshore se presenta en Santander—
AliasBahía H2, BAHIA H2, Bahia H2 Offshore
View exact value["Bahía H2","BAHIA H2","Bahia H2 Offshore"]
El proyecto Bahía h2 offshore se presenta en Santander—
CountrySpain
View exact valueSpain
BAHÍA H2 – Bahia H2Current
Componentsfloating barge/platform, seawater capture and treatment, alkaline electrolyzer, Haber-Bosch ammonia simulation, ammonia equipment/storage planned, software/energy-management platform
View exact value["floating barge/platform","seawater capture and treatment","alkaline electrolyzer","Haber-Bosch ammonia simulation","ammonia equipment/storage planned","software/energy-management platform"]
BAHÍA H2 OFFSHORECurrent
Final Useintended maritime-vessel fuel supply; not demonstrated offtake
View exact valueintended maritime-vessel fuel supply; not demonstrated offtake
Bahía H2 Offshore obtains 5.7 million euros from PERTE ERHA to develop hydrogen and ammonia production technologies in harbor waters—
Power Sourcefloating offshore wind, floating solar photovoltaic
View exact value["floating offshore wind","floating solar photovoltaic"]
Bahía H2 Offshore obtains 5.7 million euros from PERTE ERHA to develop hydrogen and ammonia production technologies in harbor waters—
Productgreen hydrogen, green ammonia (NH3)
View exact value["green hydrogen","green ammonia (NH3)"]
Awarded the “Bahía H2 Offshore” Project to transform offshore wind into fuel—
Project GroupSupercluster Atlantic Wind (SAW); SICC, FAEN-Ainer and Asime
View exact valueSupercluster Atlantic Wind (SAW); SICC, FAEN-Ainer and Asime
Bahía H2 Offshore obtains 5.7 million euros from PERTE ERHA to develop hydrogen and ammonia production technologies in harbor waters—
Project Typepilot research and development project
View exact valuepilot research and development project
El proyecto Bahía h2 offshore se presenta en Santander—
Technologyalkaline electrolysis, Haber-Bosch process simulation, nanofiltration/CDI seawater treatment
View exact value["alkaline electrolysis","Haber-Bosch process simulation","nanofiltration/CDI seawater treatment"]
El proyecto Bahía h2 offshore se presenta en Santander—
Awarded Price5.7 EUR million (provisional financing grant)
View exact value{"amount":5.7,"currency":"EUR million","qualification":"provisional financing grant"}
Awarded the “Bahía H2 Offshore” Project to transform offshore wind into fuel—
Capacity500 (unit not recorded)
View exact value500
El proyecto Bahía h2 offshore se presenta en Santander—
FinancingPERTE ERHA / IDAE incentive programme under Recovery, Transformation and Resilience Plan; provisional 5.7 million EUR grant
View exact valuePERTE ERHA / IDAE incentive programme under Recovery, Transformation and Resilience Plan; provisional 5.7 million EUR grant
Bahía H2 Offshore. Development of hydrogen and ammonia fuel generation system with offshore wind and photovoltaic energy—
Eventwork stated as beginning : 2023; project presentation in Santander : 2025-10-03
View exact value[{"date":"2023","event":"work stated as beginning"},{"date":"2025-10-03","event":"project presentation in Santander"}]
El proyecto Bahía h2 offshore se presenta en Santander—
EventDate online : 2027
View exact value{"date":"2027","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"}
IEA Hydrogen Projects dataset——
Lifecycle Stagepilot R&D; phase-1 design/construction/installation/monitoring stated; operation not established
View exact valuepilot R&D; phase-1 design/construction/installation/monitoring stated; operation not established
El proyecto Bahía h2 offshore se presenta en Santander—
Phase SequencePhase: 1; Scope: prototype barge at Port of Santander; 500 kW electrolyzer; hydrogen production and ammonia simulation; Period: 2023-2026; Phase: 2; Scope: planned barge expansion and BiMEP tests; Period: 2027-2029; Phase: 3; Scope: planned commercial scale-up; Period: from 2030
View exact value[{"phase":1,"scope":"prototype barge at Port of Santander; 500 kW electrolyzer; hydrogen production and ammonia simulation","period":"2023-2026"},{"phase":2,"scope":"planned barge expansion and BiMEP tests","period":"2027-2029"},{"phase":3,"scope":"planned commercial scale-up","period":"from 2030"}]
El proyecto Bahía h2 offshore se presenta en Santander—
Progress Status2025 report: progress, technical incidents/solutions and next installation/commissioning steps; completion not established
View exact value2025 report: progress, technical incidents/solutions and next installation/commissioning steps; completion not established
El proyecto Bahía h2 offshore se presenta en Santander—
Administrative AreaPort of Santander
View exact valuePort of Santander
IEA Hydrogen Projects dataset——
Progress StatusFeasibility
View exact valueFeasibility study
IEA Hydrogen Projects dataset——
ProductAmmonia
View exact valueAmmonia
IEA Hydrogen Projects dataset——
TechnologyPEM
View exact valuePEM
IEA Hydrogen Projects dataset——

Record history

18 current sourced values · 1 older value · Record updated

H2Prism separates published values from estimates. Check the linked source before you use a value. · Back to Hydrogen projects

Records are compiled with AI assistance. Original source links are shown when available.