LME Aluminum Stockpiles Sink to Lowest Level Since 1990

Market Intelligence Analysis

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Why This Matters

Aluminum prices surged to a seven-week high in London after Norsk Hydro's Alunorte plant in Brazil reduced output by 50% due to natural gas disruptions, with aluminum rising nearly 2% and alumina futures gaining 1% in Shanghai. This development has significant implications for the aluminum market, potentially leading to supply chain pressures and price increases. The reduction in output from one of the world's largest alumina refineries could lead to a tightening of global aluminum supplies, supporting higher prices.

Market Context

The reduction in aluminum output from Norsk Hydro's Alunorte plant has led to a direct price increase in aluminum, with prices rising nearly 2% in London to $3,373 a metric ton, and alumina futures gaining 1% in Shanghai. This supply disruption could lead to a broader impact on the metals sector, potentially benefiting companies with more stable supply chains.

Sentiment
Bullish
AI Confidence
80%
Time Horizon
Short Term

Article Context

Note: This is a brief excerpt for context. Click below to read the full article on the original source.

Norwegian aluminum producer Norsk Hydro's Alunorte plant in Brazil, one of the world's largest alumina refineries, reduced output by 50% following disruptions to natural gas availability. Bloomberg reports that disruptions to NatGas availability at Alunorte forced a 50% reduction in output and sent aluminum prices in London to a seven-week high. Hydro said production would return to full capacity once gas supplies normalize. Aluminum rose nearly 2% in London and traded at $3,373 a metric ton. Alumina futures gained 1% in Shanghai. NatGas is critical…

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AI Breakdown

Summary

Aluminum prices surged to a seven-week high in London after Norsk Hydro's Alunorte plant in Brazil reduced output by 50% due to natural gas disruptions, with aluminum rising nearly 2% and alumina futures gaining 1% in Shanghai. This development has significant implications for the aluminum market, potentially leading to supply chain pressures and price increases. The reduction in output from one of the world's largest alumina refineries could lead to a tightening of global aluminum supplies, supporting higher prices.

Market Context

The reduction in aluminum output from Norsk Hydro's Alunorte plant has led to a direct price increase in aluminum, with prices rising nearly 2% in London to $3,373 a metric ton, and alumina futures gaining 1% in Shanghai. This supply disruption could lead to a broader impact on the metals sector, potentially benefiting companies with more stable supply chains.

Key Drivers

  • 50% reduction in output at Norsk Hydro's Alunorte plant
  • Disruptions to natural gas availability
  • Tightening of global aluminum supplies

Risks

  • Normalization of gas supplies could lead to a reversal of price gains
  • Potential for other aluminum producers to increase output and offset supply shortages

Time Horizon

Short Term

Original article published by OilPrice.com on August 12, 2026.
Analysis and insights provided by AnalystMarkets AI.