54% of the World's Copper Mines Face 'Drought Shock'

Anglo American Copper Mining

More than half of the world’s copper mines are exposed to 'drought risk'. Other major metal raw materials such as iron ore, lithium, and cobalt are also facing potential supply disruptions due to abnormal weather conditions.

Metalnomist stated in a report published on the 24th, “Climate anomalies caused by global warming will adversely affect the supply and demand of international raw materials.” The center cited data from the global consulting firm PricewaterhouseCoopers (PwC), predicting that by 2050, 54% of the world's copper mines and 74% of lithium and cobalt mines will experience reduced production due to drought. Water is essential for crushing mineral ores, separating impurities, and cleaning equipment. McKinsey highlighted that “copper, gold, iron ore, and zinc are particularly vulnerable to drought, as 30-50% of these mines are located in areas with insufficient water resources.”

Chile, which produced over 30% of the world's copper in 2020, is already suffering from severe drought. Chilean state-owned mining company Codelco produced only 1,325,000 tons of copper last year, the lowest in 25 years, due to water shortages and other impacts.

15 Years of Water Shortage in the World’s Largest Copper Reserve: "If Mining Halts, Prices Could Quadruple"

Metalnomist warned on the 24th, “Mining items heavily dependent on production from specific countries are at risk of global supply disruptions due to abnormal weather conditions.”

According to Metalnomist, 47% of the world's copper reserves are concentrated in three countries : Chile, Peru, and the Congo. 74% of iron ore is concentrated in China, Australia, and Brazil, while 80.8% of bauxite is concentrated in Guinea, China, and Brazil. Copper demand has recently surged due to the AI boom, raising concerns that any supply disruption could significantly impact the industry. Global infrastructure asset manager Macquarie Group predicts that the annual copper demand could increase by 2 million tons by 2030 due to the surge in AI data centers. Copper is crucial for the construction of both data centers and power grids.

Northern Antofagasta, Chile's largest copper and lithium deposit, is a prime example of a region unable to increase production due to water shortages. Reuters recently reported that local mining company Antofagasta PLC has been struggling to secure water supply as reservoirs have dried up due to a 15-year-long drought. In the first quarter of this year, Antofagasta PLC’s copper production decreased by 11% compared to the same period last year.

Limited water resources are also causing conflicts with local communities. Antofagasta PLC and Australian mining company BHP were sued by Chile’s National Defense Commission (CDE) in 2022 for environmental pollution. The CDE claimed that mining companies extracted water volumes exceeding regulations, causing severe damage to the local ecosystem and indigenous communities.

Seawater desalination plants are being considered as a solution to these issues. However, the high investment costs and long construction periods limit their ability to solve water problems immediately.

Due to structural constraints on copper supply, it is predicted that copper prices could skyrocket in the coming years. Goldman Sachs projected that the average copper price next year would be $15,000 per ton. Pierre Andurand, founder of hedge fund Andurand Capital, analyzed that the global copper supply shortage could drive prices up to $40,000 per ton by 2028. Copper traded at a record high of $10,857 per ton on the London Metal Exchange (LME) on the 21st of last month, before falling to $9,563 on the 21st of this month.

The increasing demand for electricity for cooling due to heatwaves is also expected to raise the demand for fossil fuels such as coal and natural gas. Metalnomist noted, “Europe is in a situation where it is inevitable to expand thermal power generation to meet the increasing electricity demand in summer,” and added, “In Asian countries such as Thailand, India, and Bangladesh, the demand for natural gas for power generation has increased.”