The DOE Saw It Coming: Four Years After Washington’s Rare Earth Warning, Has America Really Changed?

Highlights

• In 2022, DOE's Argonne National Laboratory report identified seven critical vulnerabilities in America's NdFeB magnet supply chain, with China dominating every stage.
• Since the report, U.S. initiatives like MP Materials, Energy Fuels, and DOD funding have addressed gaps, but heavy rare earth refining and magnet manufacturing remain China-dominated.
• The DOE underestimated how quickly rare earth magnets would become a national security issue, now central to drone warfare, robotics, and great-power competition.
• America has entered the race with more processing capacity and policy support, yet China still holds approximately 90% of rare earth separation and magnet production.
• The report's core lesson remains unmet: true supply-chain security requires a complete mine-to-magnet ecosystem, not just domestic mining.

In February 2022, Braeton J. Smith (opens in a new tab) and colleagues at Argonne National Laboratory (opens in a new tab), writing for the U.S. Department of Energy (DOE), published one of the most consequential assessments (opens in a new tab) ever produced on America's rare earth permanent magnet supply chain. Their conclusion was stark: China dominated nearly every stage of the NdFeB magnet ecosystem, from mining to magnet manufacturing, leaving the United States vulnerable economically, industrially, and strategically. Four years later, Rare Earth Exchanges™ revisited the report. The verdict is striking. DOE correctly identified almost every major weakness in the American supply chain—and many of the policies, investments, and industrial initiatives now underway trace directly back to the vulnerabilities the report highlighted.

Braeton J. Smith, Argonne National Laboratory

The Blueprint Hidden in Plain Sight

The report was far more than a warning. It was a roadmap. DOE identified seven major vulnerabilities: dependence on China, rare earth market instability, intellectual property barriers, workforce shortages, environmental challenges, weak domestic suppliers, and rapidly growing demand from electric vehicles and wind turbines. Most importantly, the report concluded that America's greatest weakness was not mining—it was the lack of separation, metal refining, alloy production, magnet manufacturing, and recycling capacity.

The authors repeatedly stressed that mining alone would not create supply-chain resilience. America needed a complete mine-to-magnet ecosystem.

Following the DOE Playbook

Much of what has happened since reads like implementation of the DOE report. MP Materials restored domestic separation and entered magnet manufacturing. Lynas advanced heavy rare earth separation outside China. Energy Fuels entered rare earth processing. USA Rare Earth, Ucore, ReElement, Phoenix Tailings, and others targeted specific gaps identified by DOE. Government support expanded through the Defense Production Act, Department of Defense funding, EXIM financing, and strategic procurement initiatives.

Yet the report's central concern remains unresolved. China still dominates heavy rare earth production, refining, alloy manufacturing, magnet production, and much of the industry's accumulated technical expertise. The report warned that concentration increased at each downstream stage. That remains as true today.

What the DOE Underestimated

The authors viewed rare earths primarily through the lens of clean energy, decarbonization, and industrial competitiveness. They were directionally correct. What they could not fully anticipate was how rapidly rare earth magnets would become a national security issue. By 2026, magnets sit at the center of drone warfare, advanced robotics, AI infrastructure, electric mobility, missile systems, and great-power competition.

The geopolitical stakes escalated faster than the report envisioned.

The REEx Verdict

The DOE's diagnosis aged remarkably well. America has more projects, more financing, more processing capacity, more magnet manufacturing, and more policy support than existed in 2022.

But the report's most important lesson remains unchanged: supply-chain security is not achieved when ore leaves a mine. It is achieved when magnets leave a factory. And in the realm of rare earth separation, metallization, and magnet production, China maintains an approximately 90% dominant market position.

Yes, four years later, America has finally entered the race. And yes, China still controls much of the track.

Citation: Smith BJ, Riddle ME, Earlam MR, Iloeje C, Diamond D, et al. Rare Earth Permanent Magnets: Supply Chain Deep Dive Assessment. U.S. Department of Energy, February 24, 2022.