Nomi Prins — The Race to Make America (Make) Aluminum Again (Prinsights, Aug 2026)

One-line take: the setup post for the next day's Pulse Premium pick — aluminum has gone from a January "darkhorse commodity" call to a national-security problem and the flashpoint of the U.S.–Canada tariff fight. The gap: the U.S. makes about 680,000 tonnes of primary aluminum a year against China's 43 million. The dependency: Canada supplies 56% of U.S. aluminum imports (UAE a distant second at 8%) — which is why, when the deal to cut the Canadian steel/aluminum tariff from 50% to about 25% collapsed on Friday, the 50% rate took effect Saturday morning, the U.S. threatened new auto tariffs by Monday, and on Tuesday Canada announced tariffs of up to 50% on nearly 700 products starting September 8. The perverse mechanic: a tariff is supposed to shield a domestic industry, "but the reality is that the U.S. smelts almost none of its own" — so there is little industry to protect, and the duty mostly raises input costs from automakers to beer cans. What actually worries Washington: a two-day Pentagon war-game last summer stress-tested the aluminum supply chain against a major war and exposed high-purity aluminum — the ultra-refined grade (almost no iron or silicon) that skins a fighter jet and plates a combat vehicle — as the weak point: the defense sector has no real domestic source and roughly 90% of what it imports comes from the UAE, so "one major disruption in the Gulf could cut off the exact metal the American military depends on most." The Iran war then drained precision-missile and interceptor stockpiles and the Pentagon's 2027 budget asks to lift missile procurement by 188% — more than the defense industry can build at today's supply, and every one of those weapons needs aluminum. The fix, and its timeline: the Energy Department has backed the first new U.S. primary aluminum smelter since 1980 near Tulsa (Inola), Oklahoma with up to $500 million in federal support — the largest primary plant ever built in the country at >500,000 tons/yr including ~20,000 tons of high-purity metal set aside for defense — but smelting devours power (one plant ≈ a small city), rebuilding is "a decade-long project," and the plant is still years from producing. The trade that falls out of it: until then, the handful of U.S. smelters still running are the only domestic source, the tariff holds the U.S. price well above the global price so "a domestic smelter now earns more on what it sells than it did before the duty took hold in 2025," and Washington is reinforcing that disparity with cash (new plants) and the Defense Production Act — "the same tools deployed across copper, rare earths, and other critical minerals earlier this year." Aluminum trades over $3,200/tonne (peak over $3,700 this year). No securities are named — the closing tease points at the next day's August Pulse Premium issue on "one of the few companies still smelting primary aluminum in the U.S.," following a prior aluminum position closed at a more-than-double return in eight months. That pick is captured in the 2026-AUG-27 page.

1. Key points

A policy/macro post: no individual securities are named, so there is no stock table. The actors are governments and agencies — the White House, the Pentagon, the Energy Department, the Canadian government. The teased pick is the next day's Pulse Premium issue, captured separately at 2026-AUG-27. The "read ↗" link opens the article.

The size of the hole — 680,000 tonnes vs 43 million

"The United States makes about 680,000 tonnes of primary aluminum a year. To get a sense of how small that is, consider that China makes 43 million."
That gap is why Prinsights "placed aluminum at the top of our Darkhorse commodities to watch in 2026." Nine months on, "it has now become a national-security problem, and last week it became a pivotal flashpoint of tariff talks with Canada."

Canada holds the stronger hand — and the talks collapsed

Canada "supplies 56% of the aluminum the United States imports, with the United Arab Emirates a distant second at 8%" — the leverage in the negotiation runs the other way from the tariff.
Earlier in the week both sides had worked on a deal to cut the tariff on Canadian aluminum and steel "from 50% to about 25%." Those negotiations "officially collapsed on Friday," so the 50% tariffs took effect early Saturday morning, and Canada announced retaliation.
By Monday the U.S. threatened new auto tariffs; on Tuesday Canada said it would "officially begin collecting tariffs of up to 50% on nearly 700 products beginning on September 8."

A tariff protecting an industry that barely exists

"Tariffs are supposed to shield a domestic industry from the competition imposed by cheaper imports but the reality is that the U.S. smelts almost none of its own. So, regardless of the intention, there is little domestic industry for the duty to protect."
Instead it "makes the imported metal that American manufacturers must buy more expensive, raising costs for everyone ranging from automakers to canned beverages (hitting products from beer to non-perishable goods)."
"But the exposure that worries Washington most is military" — the pivot that turns a trade story into a procurement story.

The Pentagon war-game — high-purity aluminum is the single point of failure

Last summer the Pentagon ran the U.S. aluminum supply chain through a two-day exercise testing "how it would hold up in a major war."
The weak point: high-purity aluminum — "the ultra-refined grade with almost no iron or silicon that forms the skin of a fighter jet and the plating on a combat vehicle." Its lack of impurities "is what lets engineers build alloys strong enough for the aerodynamic stress on a supersonic airframe used by jets and drones."
"Similar to the U.S. economy, the American defense sector has no real domestic source of it, and about 90% of what it imports comes from the United Arab Emirates. One major disruption in the Gulf could cut off the exact metal the American military depends on most."

The demand shock behind it — a 188% missile-procurement ask

"Months later, the Iran war heavily depleted American stockpiles of precision missiles and interceptors, and the Pentagon's 2027 budget asks to lift missile procurement by 188%, more than the defense industry can build at today's supply."
"Every one of those weapons needs aluminum, and the highest-performance ones need the precise grade the simulation flagged. Suppliers of that metal are already scrambling to lock down what they can."
Beyond the high-purity grade, "aluminum is the most-used structural metal in a modern weapons platform" — missile bodies, drone frames, ammunition casings all share "a common aluminum thread."

Why the smelters left — power, not ore

"Every grade of aluminum, high-purity included, comes out of a smelter, where alumina is turned into metal in giant electric furnaces." Domestically, "the U.S. has almost none of that smelting capacity left."
"The process devours electricity, about as much for one plant as a small city uses." As American power grew more expensive relative to Canada, the Gulf and China, "plant after plant shuttered its doors."
The constraint is therefore an energy-cost constraint, not a resource one — which is why the fix requires subsidised power, not exploration.

The first new U.S. smelter since 1980 — Inola, Oklahoma

"The Energy Department has backed the first new U.S. primary aluminum smelter since 1980, a plant now being developed near Tulsa, Oklahoma with up to $500 million in federal support."
"When it opens, it would be the largest primary aluminum plant ever built in the country, making more than 500,000 tons a year, including about 20,000 tons of the high-purity metal set aside for defense" — i.e. the defense gap is being closed by an explicitly ring-fenced allocation.

The tariff as a domestic-smelter subsidy

"For the handful of companies that are still smelting aluminum in the U.S., that tariff has provided a tailwind. It serves to hold the U.S. price of the metal well above the global price. That means a domestic smelter now earns more on what it sells than it did before the duty took hold in 2025."
The White House "is working to reinforce that disparity with cash, by funding new plants like the one in Oklahoma, and leveraging the Defense Production Act." Her framing: "The playbook is using the same tools deployed across copper, rare earths, and other critical minerals earlier this year."

The long game — hold the price until the capacity exists

"While the talks with Canada and ongoing negotiations by the U.S. neighbor to the north might buy time, the long-game is keeping enough metal coming so prices hold until that new capacity exists."
"Rebuilding this supply is a decade-long project. The Oklahoma plant is still years from producing, and even at full output it would replace only a fraction of what the country imports."
Until then "the few American smelters operating today are the only domestic source, selling into a market where aluminum trades over $3,200 a tonne (with a peak over $3,700 this year) and Washington is paying to build the supply chain at home."

The tease — tomorrow's Pulse Premium pick

"Our August Pulse Premium monthly issue features one of the few companies still smelting primary aluminum in the U.S. The company is a producer that sits at the center of the supply shift we have been tracking and building analysis on all month."
Track-record framing: "Following our Pulse Premium Semi Annual Update, when we closed another aluminum position at a more than double return in an 8-month period, we're tracking another leader that is showing all the right signals."
That pick — Century Aluminum (CENX) — is captured on the 2026-AUG-27 page; the closed position was Constellium (CSTM).

Summary derived from the Prinsights free post for personal study. Not investment advice. © Nomi Prins / Prinsights for source material.

🇺🇸 The Race to Make America (Make) Aluminum Again