
Collahuasi is a reminder that copper supply depends on more than ore in the ground
MiningWeekly reported today that Anglo American and Glencore are seeking clarification after Chile’s Second Environmental Tribunal issued a ruling connected to environmental authorization for a Collahuasi copper mine infrastructure and production-capacity improvement project. Collahuasi is one of the world’s largest copper mines in northern Chile, with Anglo American and Glencore each holding 44 percent and a Japanese consortium led by Mitsui holding the remaining 12 percent.
The project includes a water desalination plant for Collahuasi, which Anglo said is almost complete. The tribunal ruling is tied to specific review points involving effects on a local community and the marine environment. Anglo said it does not currently expect an immediate production impact, based on available information and alternative water sources, while the companies seek more clarity from the tribunal and Chile’s environmental authorities.
The metal is needed everywhere, but large copper mines are becoming harder to sustain, expand and permit. It is not enough to have a big deposit. Operators need water, power, tailings capacity, local approvals, marine permits, consultation processes, processing routes and long-term infrastructure that can survive legal review.
Chile is still the center of the copper world, but even there, the operating environment keeps getting more complex. Collahuasi is already a major mine. It already has global-scale owners. It already operates in a country with deep copper mining experience. Even then, a production-capacity improvement project can get pulled back into environmental and permitting questions.
Copper demand gets discussed constantly because of electrification, grid expansion, renewable energy, industrial systems and data infrastructure. The supply side moves on a slower clock. A mine expansion can take years. A new project can take much longer. Water access alone can decide whether an asset can grow, especially in dry mining regions.
Desalination has become part of the copper equation for a reason. Mines in northern Chile cannot keep relying on old water assumptions. More operators are being pushed toward seawater systems, pipelines and infrastructure-heavy solutions. Those can unlock production, but they also bring more permitting layers and more capital intensity.
The market can want more metal, but the actual tonnes have to come through geology, engineering, permitting and infrastructure. Any bottleneck in that chain can slow down production growth. Collahuasi is a good example because it is not some speculative project trying to get noticed. It is a major copper operation dealing with the kind of constraints that shape real supply. This is where smaller copper exploration names become more understandable to me.
A lot of the future copper pipeline has to start with exploration work being done now. The industry needs more projects in established belts, especially in jurisdictions where infrastructure, mining knowledge and geological databases already exist. Early-stage projects are not producing copper today, but the pipeline starts there. I have been looking at NovaRed Mining in that context.
The company is focused on copper-gold porphyry exploration in British Columbia. Its Wilmac copper-gold project sits in the Quesnel porphyry belt in the Similkameen Mining Division, southwest of Princeton and around 10 km west of Hudbay’s producing Copper Mountain Mine. NovaRed says the Wilmac project comprises 11,504 hectares and is interpreted as having potential for copper-gold alkalic porphyry occurrences similar in age and deposit type to the systems associated with Copper Mountain.
The recent Plume tenure registration also adds a more concrete exploration angle. NovaRed said the 2,062.64-hectare Plume tenure secures access to two iron carbonate-silica alteration zones that are among its priority exploration targets. The company also said a planned 3D IP and AMT survey over the Plume grid received No Permit Required authorization from British Columbia for the 2026 field program.