Latest / The Commodities Economy with Fexingo: Oil, Gold, Wheat, and Raw Material Markets / The Aluminum Shortage Squeezing Global Manufacturing
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- Lucas: If you look at the commodity desk right now on October twenty-first, two things stand out immediately. Brent crude is sitting near one hundred and nine dollars, up significantly over the last five days, while aluminum prices are quietly making new structural moves that have nothing to do with energy costs. Luna: Right, because usually when oil spikes, everything else follows. But aluminum seems to be ignoring that correlation entirely. Lucas: Exactly. And that decoupling is where the real story lives. We keep hearing about the green premium, but I think we’re mislabeling it. It’s not just a premium for being green; it’s a penalty for being stuck in an energy-intensive system that can’t scale fast enough to meet demand. The constraint isn’t political will anymore; it’s physical capacity. Luna: So you’re saying the bottleneck isn’t just electricity prices, but the actual smelters themselves? Lucas: Precisely. Let’s talk about China first, since they control roughly sixty percent of global primary aluminum production. Over the last eighteen months, Beijing has been enforcing strict caps on electrolytic aluminum capacity to hit carbon goals. But here is the kicker: they aren’t just shutting down old inefficient smelters. They are also delaying approvals for new ones because the grid infrastructure in key provinces simply cannot handle the surge in load without blackouts. Luna: That makes sense if you think about the sheer amount of power a single smelter needs. It’s basically a battery factory disguised as a metal plant. Lucas: It is. A typical modern smelter consumes more electricity than a small city. So when China freezes new capacity approvals, which they have effectively done since early 2025, you create a hard ceiling on supply. And yet, demand from automotive and packaging hasn’t dropped. It’s actually grown slightly year-over-year. So you have rigid supply meeting steady demand, and the price starts to bleed upward regardless of what Brent crude does. Luna: But wait, isn’t recycling supposed to solve this? Secondary aluminum shouldn’t need that much power. Lucas: Recycling is part of the answer, but it’s not the whole answer. Here is the data point that really surprises people: only about thirty-five percent of aluminum currently comes from recycled sources. The rest is primary, mined from bauxite and refined. And you cannot recycle aluminum infinitely without losing quality. Automotive manufacturers need virgin-grade aluminum for certain structural components because recycled batches have impurities that weaken the alloy. So even if we doubled our recycling rates tomorrow, we would still need new primary smelters to fill the gap. Luna: So the recycling loop is hitting a quality wall before it hits a quantity wall. Lucas: Exactly. And that brings us to the second half of the problem: the West. Europe and North America have seen massive closures of their own smelters over the last decade due to high natural gas and electricity prices. When those plants shut down, they don’t come back online quickly. It takes three to five years to permit and build a new smelter in the United States or Canada. We are looking at a supply deficit that won’t be resolved until at least 2028. Luna: Three to five years is a long time in manufacturing cycles. Does that mean carmakers are already feeling the pinch? Lucas: They are. Look at the cost structure for an electric vehicle manufacturer. Aluminum is used extensively in the chassis and body panels to offset battery weight. If aluminum prices rise by ten percent, that directly eats into margin. And because these contracts are often fixed for six to twelve months, manufacturers can’t pass the cost on to consumers immediately. They absorb it. But eventually, the absorption cap hits. Luna: So we see inflation creep in through the manufacturing sector, not just consumer goods. Lucas: Yes. And this is why the core PCE price index, which came in at one thirty point five in August, remains sticky. It’s not just services. It’s industrial inputs. You have raw materials like aluminum, copper, and nickel all facing similar structural constraints. Copper is having its own shortage issue due to declining ore grades in Chile. Nickel is tied up in battery supply chains. These aren’t cyclical dips; they are secular shifts in how we produce things. Luna: It feels like we’re moving away from a world where resources are abundant and cheap, toward one where they are scarce and expensive. Lucas: That is a very accurate way to put it. And investors are starting to price this in. Look at the energy sector ETFs. XLE and XOP are both showing strength, but that’s partly because energy companies are raising dividends and buying back stock, not just because oil is high. Meanwhile, industrial metals funds are outperforming broad market indices. Money is flowing into assets that have pricing power because they are scarce. Luna: So if you’re an investor, you’re less worried about interest rates and more worried about whether there’s enough metal in the ground. Lucas: Exactly. Interest rates matter, but they don’t dig bauxite out of the earth. If you have a shortage, no amount of rate cutting will lower the price of aluminum next month. You need new supply. And new supply is incredibly capital intensive. A new smelter can cost over two billion dollars to build. That’s a barrier to entry that most companies can’t cross easily. Luna: Two billion dollars for a single facility. That limits competition drastically. Lucas: It does. Which leads to oligopolistic pricing. The major producers—companies like Alcoa, Rio Tinto, and Rusal—they know they hold the cards. They can raise prices knowing that buyers have nowhere else to go. And because these materials are essential for everything from construction to aerospace, buyers have no choice but to pay. It’s a classic supplier-driven inflation scenario. Luna: I wonder if this changes how governments approach strategic reserves. Do we start treating aluminum like oil? Lucas: We absolutely should. The US Strategic Petroleum Reserve gets all the attention, but we don’t have a strategic aluminum reserve. And we probably should. In a geopolitical shock, or a sudden spike in demand from defense contractors, having buffer stock would stabilize markets. Right now, we are flying blind. If a conflict disrupted shipping lanes in the South China Sea, which carries a huge portion of refined aluminum, prices could double overnight. Luna: That’s a terrifying thought. One disruption and the price goes vertical. Lucas: Vertical. And then what? Manufacturers halt production. Projects get delayed. The entire supply chain shudders. This is why I think we are going to see more nationalization or state-backed investment in mining and smelting over the next five years. Governments realize that critical materials are national security issues. Luna: So the free market era for industrial metals might be coming to an end. Lucas: In many ways, it already has. Look at Indonesia. They banned exports of raw nickel ore to force domestic processing. That caused a massive shift in global nickel supply, but it also created environmental problems because the new processing methods were dirty. It’s a messy transition. But the direction is clear: countries want value-added industries, not just raw extraction. Luna: Which pushes costs higher again, because building refineries and smelters is expensive. Lucas: Always. And that cost gets passed down. So when you buy a car, or a window frame, or a soda can, you are paying for that scarcity premium. It’s baked into every single transaction. And unless we see a massive breakthrough in recycling technology or alternative materials, that premium is here to stay. Luna: Alternative materials? Like composites or advanced plastics? Lucas: Some substitution is happening. Carbon fiber is replacing aluminum in high-end automotive applications. But carbon fiber is even more expensive and harder to recycle. So it’s not a silver bullet. Aluminum remains king because it’s light, conductive, and recyclable. We are just running out of the easy capacity to make it. Luna: So the lesson is: watch the smelters, not just the miners. Lucas: Watch the smelters. Watch the electricity grids feeding them. And watch the regulatory approvals. Those are the true leading indicators for industrial metal prices. Oil is important, but aluminum tells you about the health of global manufacturing capacity. Luna: And right now, that capacity is tight. Lucas: Tight. Very tight. And if you’ve found value in digging into these structural shifts with us, supporting the show helps us keep doing this deep dive work ad-free. You can find us at buy me a coffee dot com slash fexingo — that's F. E. X. I. N. G. O. Luna: Yeah, it really helps sustain the research behind these episodes. Thanks for listening. Lucas: Let’s circle back to one final thought on the investment side. If you are holding industrial stocks, are you holding the miners or the processors? Luna: That’s a good question. Miners have pricing power on the raw material, but processors are squeezed by energy costs. Lucas: Exactly. The miners are winning the battle right now. But the processors who can secure cheap, stable energy—maybe through their own renewable contracts—are the ones who will survive the next decade. It’s a race between efficiency and scarcity. Luna: Efficiency wins. Scarcity just raises the stakes. Lucas: Precisely. And as we head into Q4, I think we’ll see that tension play out in every earnings call from automotive to construction. The question isn’t whether prices will rise, but who will have the margin to absorb it. Luna: A tough quarter ahead for manufacturers, then. Lucas: It will be. But for those who understand the mechanics of the supply chain, it’s also an opportunity to spot winners before the market fully adjusts. Keep watching the smelters, Luna. Luna: Always.