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Husnes aluminium plant

Aluminium Smelter in Norway. Approximate location 59.8679, 5.76906.

Aluminium SmelterNorwayCO₂ reported

Husnes aluminium plant is an aluminium smelter in Norway with a reported capacity of 200,000 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 #4 of 7 aluminium smelters tracked in Norway. It emits about 432,548 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 100,827 cars.

200,000t of alumina/aluminum
432,548t CO₂e / yr (Climate TRACE)
#9CO₂ rank in Norway
2.16t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3673110.

文脈内で:この施設がどのように比較されるか

200,000 t of alumina/aluminumで、Husnes aluminium plantはNorwayのaluminium smelterの中央値約 200,000 t of alumina/aluminumです。 サブセクター:aluminum。 aluminium smelterとして、その中核的な産業操業に対して激しいプロセス熱(通常600–900°C)が必要です。この熱はボイラー、炉、または直接燃焼によって供給される必要があり、未断熱容器および配管からの損失は無駄な燃料を表します。モジュール式脱着可能な断熱は、これらの損失を80~96%削減でき、表面を≤45°Cに冷却でき、回収期間は通常2年未満です。 アルミニウム製錬所は大きな電流を使用して、900°C以上の溶融アルミニウムにアルミナを精製し、高温金属は坩堝および鋳造装置を通じて流れなければなりません。

容量およびCO₂強度の比較はClimate TRACEの産業施設データから計算されました。セクターの役割は工学リファレンスに基づいています。

What 432,548 t CO₂e a year looks like

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

100,827cars driven for a year
56,409homes' annual energy use
7,209,133tree seedlings grown 10 years

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

Capacity vs largest aluminium smelters in Norway

Sunndalsora aluminium plant: 400,000 t of alumina/aluminum400kSunndalsor…Karmoy aluminium plant: 270,000 t of alumina/aluminum270kKarmoy alu…Aardal aluminium plant: 204,000 t of alumina/aluminum204kAardal alu…Husnes aluminium plant: 200,000 t of alumina/aluminum200kHusnes alu…Mosjoen aluminium plant: 200,000 t of alumina/aluminum200kMosjoen al…Hoyanger aluminium plant: 65,000 t of alumina/aluminum65kHoyanger a…Lista aluminium plant: 64,000 t of alumina/aluminum64kLista alum…

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

Husnes aluminium plant sits in a temperate oceanic climate zone (Köppen Cfb), at 59.9°N in the northern hemisphere.

~11°Ctypical annual mean
~18°Ctypical warm-season
Temperate oceanic: long cold winters and short, cool summers

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

How it compares & nearby sites

The #4 largest of 7 aluminium smelters in Norway by reported capacity.

Nearby industrial sites

Location

Coordinates 59.8679, 5.76906. View on OpenStreetMap.

Heat loss & insulation profile

A aluminium smelter like this runs hot equipment that sheds heat continuously: alumina calciner, casthouse furnaces, hot ducting (electrolysis itself is electric) (surface/process temperatures around 150–1,000 °C). These surfaces lose energy to the air year-round; removable modular insulation cuts that loss, brings outer surfaces to ≤45 °C, and unclips for inspection.

electrolysis is mostly electricity (Scope 2) + anode process; on-site combustion small - insulation mainly relevant to alumina refining/casthouse.

Indicative recoverable energy

On an already-insulated site (pipes & valves in cladding / jackets), closing the remaining gaps, flanges and damaged sections and switching to removable covers indicatively recovers about 2,000 MWh/yr (≈ 410 t CO₂/yr) — scaled to this site's reported CO₂ within its sector. Bare or damaged surfaces recover several times more.

See Inzonex insulation → Estimate your site →

Indicative, not a measurement. Conservative floor for an already-insulated plant; a TIPCHECK on-site audit gives a measured figure. Industry context: EiiF TIPCHECK — industrial insulation can save ~14 Mtoe/yr in EU, payback typically <2 years.

Safety & the no-regret first step

Bare hot surfaces here exceed the touch-safe limit (EN ISO 13732-1); insulation to ≤45 °C is a worker-safety and compliance win. And before electrification, fuel-switching or CCS, eliminating surface heat loss is the cheapest, fastest, lowest-risk step — audit the bare spots first, rip-and-replace later.

External climate finance your country can access

Domestic energy-efficiency grants are limited here; industrial decarbonisation is mainly funded externally:

Routed via national development banks / accredited entities — not a direct factory grant. Verified 2026.

Frequently asked questions

What type of facility is Husnes aluminium plant?

Husnes aluminium plant is a aluminium smelter in Norway. It smelts alumina into primary aluminium by high-current electrolysis.

What is the capacity of Husnes aluminium plant?

Husnes aluminium plant has a reported capacity of 200,000 t of alumina/aluminum.

How much CO₂ does Husnes aluminium plant emit?

Husnes aluminium plant emits about 432,548 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 100,827 cars. That ranks #9 among tracked facilities in Norway.

Where is Husnes aluminium plant located?

Husnes aluminium plant is in Norway, near coordinates 59.8679, 5.76906.

Who operates Husnes aluminium plant?

Husnes aluminium plant is operated by Norsk Hydro ASA.

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