Owner · Company
Hydro Aluminium AS
Hydro Aluminium AS operates 4 CO2 emitters in Norway. It is a subsidiary of Norsk Hydro ASA. It has one subsidiary in the data, linked to 1 asset or right.
Portfolio
The 4 assets and rights Hydro Aluminium AS owns, operates or holds, by class, with its role in each. Sizes are the whole asset's, so they are not added up: the sources give no share for this owner.
CO2 emitters 4
| CO2 emitter | Location | Role | Verified emissions in 2025 |
|---|---|---|---|
| Hydro Aluminium AS Sunndal aluminiumsverk | Norway | Operator | 655,392 tCO2e |
| Hydro Aluminium AS Karmøy aluminiumsverk | Norway | Operator | 373,314 tCO2e |
| Hydro Aluminium AS Årdal metallverk | Norway | Operator | 330,986 tCO2e |
| Hydro Aluminium AS Husnes Aluminiumsverk | Norway | Operator | 253,516 tCO2e |
By country
Where the assets and rights are.
- Norway4 CO2 emitters
Group
Parent companies
From Hydro Aluminium AS up to its ultimate parent in the data.
- Hydro Aluminium AS
- Norsk Hydro ASA
Subsidiaries
1 company under Hydro Aluminium AS, direct and through other subsidiaries.
| Subsidiary | Held through | Share | Assets and rights |
|---|---|---|---|
| Slovalco, a.s. | Direct | — | 1 |
Subsidiaries' portfolio
1 asset or right across the subsidiaries, each counted once. This total is apart from the portfolio above; together, the group links to 5.
- Processing plant1
Facts
| Fact | Value | Source |
|---|---|---|
| Location | Norway | EU Union Registry public data · CC BY 4.0 · checked 24 Oct 2026 |
| LEI | 5493000Q2TIZWJ140748 | EU Union Registry public data · CC BY 4.0 · checked 24 Oct 2026 |
| LEI | 5493000Q2TIZWJ140748 | Rare Context entity resolution · record · CC0 1.0 · checked 24 Oct 2026 |
| Company number | 917537534 | EU Union Registry public data · CC BY 4.0 · checked 24 Oct 2026 |
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Data on this page
- European Commission, Union Registry. EU Union Registry public data, CC BY 4.0.
- GLEIF LEI. GLEIF LEI, CC0 1.0.
- Rare Context entity resolution. Rare Context entity resolution, CC0 1.0.