Producer
Norsk Hydro
Norwegian state-controlled industrial company; operates Alunorte (Barcarena, Brazil) — the world's largest alumina refinery (6.3 Mt/yr capacity); also Paragominas bauxite mine (Brazil) and Norwegian aluminum smelters; 2018 Alunorte environmental shutdown caused global alumina price to spike 60%
4
Inputs supplied
2
Goods downstream
2
Facilities
0
Stories
What they make
4 inputs Norsk Hydro supplies
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Where it shows up
Goods downstream
Essential goods that depend on something Norsk Hydro makes, pick one to see the full supply chain.
Where they make it
2 facilities
Alunorte – Barcarena, Brazil →
BRPara State
World's largest alumina refinery (6.3 Mt/yr nameplate capacity); located in Barcarena, Para State; supplies Albras aluminum smelter and global export market; shut down 50-100% from March 2018 to June 2019 (15 months) after Brazilian environmental regulators cited flooding/pollution; alumina prices spiked 60% during shutdown
Norsk Hydro Karmøy Technology Pilot →
NOKarmøy, Norway · primary aluminum smelting (pilot)
Technology pilot for world's most energy-efficient Hall-Héroult cell (12.3 kWh/kg vs. 14.1 kWh/kg global average). Demonstrates path to 15% energy reduction. Powered by Norwegian hydroelectric grid.
What else they do
Business segments
The company's full revenue map, where this supply-chain role fits within their broader business.
Alumina Refining — Alunorte (Brazil)
20%Bauxite Mining (Paragominas + MRN, Brazil)
8%Primary Aluminum Smelting (Norway)
22%Hydro Extrusions (Global Business)
35%Recycled Aluminum (CIRCAL)
15%
Intelligence
What's known
Sourced claims about this company's role in supply chains, chokepoints, concentration, incidents, dual-use connections.
Incident2018
In 2018, Alunorte — the world's largest alumina refinery (6.3 Mt/yr, ~4% of global supply) — was ordered to cut production 50-100% by Brazilian environmental regulators after flooding exposed a clandestine waste pipe. The shutdown lasted 15 months. Combined with RUSAL US sanctions, global alumina prices spiked 60% to a record $650/tonne, pushing the market toward a 10% deficit. One facility — in one country — caused a global commodities crisis.
FACE – Federation of Aluminium Consumers in Europe ↗Did you know2018
Norsk Hydro — a Norwegian aluminum company known for low-carbon Scandinavian metal — owns the world's largest alumina refinery (Alunorte) in Barcarena, Pará, Brazil. In March 2018, heavy rainfall caused tailings pond overflow at Alunorte. Brazilian regulators from SEMAS and IBAMA imposed a 50% capacity reduction lasting 8+ months. The result: global alumina spot prices spiked 60% (from ~$400/MT to ~$650/MT) — the largest alumina price move in seven years. Aluminum prices followed. A Norwegian company's Brazilian refinery — due to rainfall and a tailings pond compliance failure — moved global aluminum supply chains and caused cost increases for aluminum manufacturers worldwide. The Alunorte crisis was the clearest demonstration since Hurricane Katrina that single-facility aluminum supply chain concentration has global commodity price consequences.
Norsk Hydro ASA ↗Capacity2023
Hydro CIRCAL — Norsk Hydro's certified recycled aluminum product line — achieves minimum 75% post-consumer scrap content with a verified carbon footprint of <2.3 kg CO₂e per kg aluminum, compared to the global average primary aluminum footprint of ~16 kg CO₂e/kg. Apple specifies Hydro CIRCAL for MacBook Pro housings and iPhone frames in its sustainability disclosures. Mercedes-Benz and BMW use CIRCAL for select body components. Hydro pioneered the post-consumer scrap certification system that audits the entire recycling chain — enabling premium pricing for low-carbon aluminum. Recycled aluminum requires only ~5% of the energy of primary aluminum smelting. Hydro's CIRCAL program is simultaneously a product, a supply chain certification system, and a template for how manufacturing supply chains can monetize carbon reduction.
Norsk Hydro ASA ↗Origin2023
Norsk Hydro was founded in 1905 as a nitrogen fertilizer company, using Norwegian waterfalls to generate electricity for atmospheric nitrogen fixation (the Birkeland-Eyde process) — before the Haber-Bosch process displaced it. Hydro pivoted to aluminum in the 1960s, leveraging the same Norwegian hydroelectric advantage for aluminum smelting instead of fertilizer. Hydro became one of the world's leading integrated aluminum companies through organic growth and acquisitions, including the 2002 acquisition of VAW (German aluminum) and the 2017 acquisition of Sapa (Swedish extrusions, JV partner). Hydro's Brazilian operations (Alunorte + Paragominas) came largely through the 2011 acquisition of Vale's aluminum assets for $4.9B — creating an integrated bauxite-to-alumina supply chain in Brazil to feed Norwegian smelters.
Norsk Hydro ASA ↗