Karmoy aluminium plant

Karmoy aluminium plant is an aluminium smelter in Norway with a reported capacity of 270,000 t of alumina/aluminum. It smelts alumina into primary aluminium by high-current electrolysis. It is operated by Norsk Hydro ASA. By capacity it ranks #2 of 7 aluminium smelters tracked in Norway. It emits about 583,940 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 136,117 cars.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3673113.

Im Kontext: wie sich diese Anlage vergleicht

Bei 270,000 t of alumina/aluminum ist Karmoy aluminium plant deutlich über dem Medianwert von aluminium smelter in Norway (200,000 t of alumina/aluminum). Untersektor: aluminum. Als aluminium smelter benötigt es intensive Prozesswärme (typischerweise 600–900°C) für seinen Kernbetrieb — Wärme, die durch Dampfkessel, Öfen oder direkte Verbrennung geliefert werden muss, und Verluste durch ungedämmte Behälter und Rohrleitungen stellen verschwendeten Brennstoff dar. Modulare abnehmbare Dämmung kann diese Verluste um 80–96% senken, Oberflächen auf ≤45°C kühlen, mit Amortisationszeiten oft unter 2 Jahren. Aluminiumhütten nutzen große Elektroströme, um Tonerde in geschmolzenes Aluminium über 900°C zu raffinieren, und das heiße Metall muss durch Tiegel und Gießausrüstung fließen.

Vergleich von Kapazität und CO₂-Intensität berechnet aus Climate TRACE Industrieanlagendaten; Sektorrolle basierend auf Ingenieurreferenz.

What 583,940 t CO₂e a year looks like

This facility's reported annual CO₂e in the everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest aluminium smelters in Norway

Reported capacity (t of alumina/aluminum), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Norsk Hydro ASA. All facilities by this operator →

Local climate

Karmoy aluminium plant sits in a temperate oceanic climate zone (Köppen Cfb), at 59.3°N in the northern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

How it compares & nearby sites

The #2 largest of 7 aluminium smelters in Norway by reported capacity.

Nearby industrial sites

• Hydro Aluminium, Karmøy · Metals Plant · 336,000 t CO₂
• Husnes aluminium plant · Aluminium Smelter · 432,548 t CO₂
• Sør-Norge Aluminium · Metals Plant · 142,000 t CO₂
• ERAMET NORWAY AS, Sauda · Metals Plant · 320,000 t CO₂
• ELKEM ASA AVD BJØLVEFOSSEN · Metals Plant · 174,000 t CO₂
• Elkem Bjølvefossen · Metals Plant · 172,000 t CO₂

Location

Coordinates 59.31429, 5.30969. View on OpenStreetMap.

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Frequently asked questions