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Sunndalsora aluminium plant

Aluminium Smelter in Norway. Approximate location 62.67784, 8.55466.

Aluminium SmelterNorwayCO₂ reported

Sunndalsora aluminium plant is an aluminium smelter in Norway with a reported capacity of 400,000 t of alumina/aluminum. It smelts alumina into primary aluminium by high-current electrolysis. It is operated by Sunndal Primary Production . By capacity it ranks #1 of 7 aluminium smelters tracked in Norway. It emits about 865,096 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 201,654 cars.

400,000t of alumina/aluminum
865,096t CO₂e / yr (Climate TRACE)
#2CO₂ rank in Norway
2.16t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3673109.

在上下文中:该设施如何比较

在400,000 t of alumina/aluminum时,Sunndalsora aluminium plant是Norway中aluminium smelter的中位数远高于 200,000 t of alumina/aluminum。 子部门:aluminum。 作为aluminium smelter,它需要强烈的工艺热量(通常600–900°C)来进行其核心工业操作——必须通过锅炉、炉或直接燃烧供应的热量,通过未隔热的容器和管道的损失代表浪费的燃料。可拆卸模块化绝缘可以将这些损失减少80-96%,将表面冷却至≤45°C,投资回收期通常不到2年。 铝冶炼厂使用大电流将氧化铝精炼成900°C以上的熔融铝,热金属必须通过坩埚和铸造设备流动。

容量和CO₂强度比较从Climate TRACE工业设施数据计算得出;部门角色基于工程参考。

What 865,096 t CO₂e a year looks like

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

201,654cars driven for a year
112,819homes' annual energy use
14,418,267tree 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 Sunndal Primary Production .

Local climate

Sunndalsora aluminium plant sits in a polar tundra climate zone (Köppen ET), at 62.7°N in the northern hemisphere.

~-5°Ctypical annual mean
~6°Ctypical warm-season
Polar tundra: 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 #1 largest of 7 aluminium smelters in Norway by reported capacity.

Nearby industrial sites

Location

Coordinates 62.67784, 8.55466. 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 2,400 MWh/yr (≈ 470 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 Sunndalsora aluminium plant?

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

What is the capacity of Sunndalsora aluminium plant?

Sunndalsora aluminium plant has a reported capacity of 400,000 t of alumina/aluminum.

How much CO₂ does Sunndalsora aluminium plant emit?

Sunndalsora aluminium plant emits about 865,096 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 201,654 cars. That ranks #2 among tracked facilities in Norway.

Where is Sunndalsora aluminium plant located?

Sunndalsora aluminium plant is in Norway, near coordinates 62.67784, 8.55466.

Who operates Sunndalsora aluminium plant?

Sunndalsora aluminium plant is operated by Sunndal Primary Production .

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