Slagentangen Tønsberg Energy Hub

Norway

Overview

StatusFID / Construction

Country · regionNorway

TechnologyWater electrolysis

Capacity10 MW

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 (Other electrolysis)

Final UsePlanned maritime-sector use of hydrogen and ammonia at Esso Norge's Slagentangen terminal, including hydrogen bunkering directly from the plant (2022 joint study)

Power SourceNorwegian hydropower for planned hydrogen production by electrolysis (2022 joint study)

Project Typehydrogen production facility

Status & timeline

EventEsso Norge, Grieg Edge, North Ammonia and GreenH announced a letter of intent to study green hydrogen and ammonia production and distribution at Slagentangen (30 June 2022)

Location & names

Site NameSlagentangen outside Tønsberg

AliasSlagen Energy Hub; Slagentangen Tønsberg Energy Hub

Official NameSlagentangen – Tønsberg

Timeline

Investment agreement signed : 2022-06-24
Final investment decision (FID) : 2025-11-07

Sources & record history

Sources

European Hydrogen Observatory projects Dec2025 Shared by 3 fields: Snapshot 2025-12-01 · Confidence: reported · Older value (2025)
Nel ASA Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297) · 2025-11-10
GreenH GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/) · 2025-11-07
H2Prism earlier record (SRC-C-P200) · Publication date unknown · accessed 2026-08-17
GreenH Moving towards hydrogen production at Slagentangen · 2022-06-30 Shared by 3 fields: Source dated 2022-06-30 · Current
North Ammonia North Ammonia (https://northammonia.com/projects/slagenenergyhub) · Publication date unknown · accessed 2026-08-18

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	Slagentangen Tønsberg Energy Hub	View exact value `Slagentangen Tønsberg Energy Hub`	European Hydrogen Observatory projects Dec2025	—	—
Site Name	Slagentangen outside Tønsberg	View exact value `Slagentangen outside Tønsberg`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)
Alias	Slagen Energy Hub; Slagentangen Tønsberg Energy Hub	View exact value `[{"kind":"other_spelling","name":"Slagen Energy Hub"},{"kind":"source_label","name":"Slagentangen Tønsberg Energy Hub"}]`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)
Country	Norway	View exact value `NOR`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)
Official Name	Slagentangen – Tønsberg	View exact value `[{"lang":"en","name":"Slagentangen – Tønsberg","evidence":["E-01"]}]`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)
Components	Electrolyser (Other electrolysis)	View exact value `{"kind":"전해조","tech":"그 외 전해","tech_raw":"electrolyser equipment","component_id":"CMP-1"}`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)
Final Use	Planned maritime-sector use of hydrogen and ammonia at Esso Norge's Slagentangen terminal, including hydrogen bunkering directly from the plant (2022 joint study)	View exact value `Planned maritime-sector use of hydrogen and ammonia at Esso Norge's Slagentangen terminal, including hydrogen bunkering directly from the plant (2022 joint study)`	Moving towards hydrogen production at Slagentangen	—	—
Power Source	Norwegian hydropower for planned hydrogen production by electrolysis (2022 joint study)	View exact value `Norwegian hydropower for planned hydrogen production by electrolysis (2022 joint study)`	Moving towards hydrogen production at Slagentangen	—	—
Project Type	hydrogen production facility	View exact value `hydrogen_production_facility`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)
Technology	Water electrolysis	View exact value `Water electrolysis`	European Hydrogen Observatory projects Dec2025	—	—
Capacity	10 MW	View exact value `10 MW`	European Hydrogen Observatory projects Dec2025	—	—
Event	Investment agreement signed : 2022-06-24	View exact value `{"date":"2022-06-24","tags":{"as_of":"2022-06-24","source":"North Ammonia project page","evidence":["E-05"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-18T02:00:00Z"},"ev_type":"EV-04","event_id":"V-01","raw_date_text":"June 24th 2022","date_precision":"day"}`	North Ammonia (https://northammonia.com/projects/slagenenergyhub); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Publication date unknown · accessed 2026-08-18	Older value
Event	Final investment decision (FID) : 2025-11-07	View exact value `{"date":"2025-11-07","tags":{"as_of":"2025-11-07","source":"GreenH announcement","evidence":["E-04"],"judged_by":"worker_review","confidence":"high","accessed_at":"2026-08-18T02:00:00Z"},"ev_type":"EV-05","event_id":"V-02","raw_date_text":"November 7, 2025","date_precision":"day"}`	GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-07	Older value (2025)
Event	Esso Norge, Grieg Edge, North Ammonia and GreenH announced a letter of intent to study green hydrogen and ammonia production and distribution at Slagentangen (30 June 2022)	View exact value `Esso Norge, Grieg Edge, North Ammonia and GreenH announced a letter of intent to study green hydrogen and ammonia production and distribution at Slagentangen (30 June 2022)`	Moving towards hydrogen production at Slagentangen	—	—
Progress Status	FID / Construction	View exact value `FID/Construction`	Nel ASA (https://news.cision.com/nel-asa/r/nel-asa--technology-provider-for-greenh-hydrogen-projects-in-kristiansund-and-slagentangen%2Cc4264297); GreenH (https://greenh.no/en/greenh-meets-enovas-criteria-for-the-allocation-of-support-and-is-moving-forward-with-projects-in-kristiansund-and-slagentangen-in-addition-to-bodo/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)	Source dated 2025-11-10	Older value (2025)

Record history

3 current sourced values · 11 older values · Record updated 7 Oct 2026