H2Prism
Hydrogen calculators & data

OX2 Neptunus Hub

Sweden

Overview

StatusConceptInternational Energy Agency · as of 2026
Country · regionSwedenInternational Energy Agency · as of 2026
TechnologyOther ElectrolysisInternational Energy Agency · as of 2026
ProductH2International Energy Agency · as of 2026
Capacity2,361 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

Configuration DetailUnknown PtXInternational Energy Agency · as of 2026

Capacity & economics

Production VolumeApplied-for maximum hydrogen production of 370,000 tonnes annually (16 January 2024 permit-application announcement).

Status & timeline

Date online (tracker field)2030 (meaning under review)International Energy Agency · as of 2026

Additional project information

Administrative AreaAprox location in the mapInternational Energy Agency · as of 2026
Capacity (Announced Size)225 kt H2/y (production)International Energy Agency · as of 2026
Capacity (Nm³ H₂/h)524,718 Nm³ H₂/hInternational Energy Agency · as of 2026
Capacity (kt H2/y)409 kt H2/yInternational 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
NameOX2 Neptunus Hub
View exact valueOX2 Neptunus Hub
IEA Hydrogen Projects dataset——
CountrySweden
View exact valueSweden
IEA Hydrogen Projects dataset——
Configuration DetailUnknown PtX
View exact valueUnknown PtX
IEA Hydrogen Projects dataset——
ProductH2
View exact valueH2
IEA Hydrogen Projects dataset——
TechnologyOther Electrolysis
View exact valueOther Electrolysis
IEA Hydrogen Projects dataset——
Capacity2,361 MW
View exact value2361.229658443757 MW
IEA Hydrogen Projects dataset——
Production VolumeApplied-for maximum hydrogen production of 370,000 tonnes annually (16 January 2024 permit-application announcement).
View exact valueApplied-for maximum hydrogen production of 370,000 tonnes annually (16 January 2024 permit-application announcement).
OX2 and Ingka Investments apply for permit to construct the offshore energy hub NeptunusCurrent
EventDate online : 2030
View exact value{"date":"2030","date_precision":"year","event":"Date online","basis":"iea_hydrogen_projects_raw.csv"}
IEA Hydrogen Projects dataset——
Progress StatusConcept
View exact valueConcept
IEA Hydrogen Projects dataset——
Administrative AreaAprox location in the map
View exact valueAprox location in the map
IEA Hydrogen Projects dataset——
Capacity (Announced Size)225 kt H2/y (production)
View exact value225 kt H2/y (production)
IEA Hydrogen Projects dataset——
Capacity (Nm³ H₂/h)524,718 Nm³ H₂/h
View exact value524717.7018763905 Nm³ H₂/h
IEA Hydrogen Projects dataset——
Capacity (kt H2/y)409 kt H2/y
View exact value409.09090909090907 kt H2/y
IEA Hydrogen Projects dataset——

Record history

1 current sourced value · 7 older values · 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.