MP Materials is targeting 2028 commissioning for its 10X magnet manufacturing facility, a project designed to increase annual production capacity from 1,000 to 10,000 metric tonnes. The tenfold expansion positions the company to capture growing demand from electric vehicle and renewable energy sectors.
The facility investment addresses critical supply chain vulnerabilities. China controls roughly 90% of global rare earth magnet production, creating concentration risk for U.S. defense contractors and automotive manufacturers. MP Materials operates North America's only integrated rare earth mining and processing site at Mountain Pass, California.
Rare earth magnets generate $2.8 billion in annual U.S. imports, primarily from Chinese suppliers. The 10,000-tonne target would cover approximately 15% of current domestic consumption, assuming stable demand growth through 2028. EV motors require 1-2 kilograms of neodymium-iron-boron magnets per vehicle, translating to potential supply for 5-10 million units annually.
Capital expenditure for the 10X facility has not been publicly disclosed. Comparable magnet manufacturing plants in China cost $200-300 million for 5,000-tonne capacity, suggesting MP Materials' investment likely exceeds $400 million. The company reported $535 million in cash and equivalents as of Q3 2024, indicating probable debt or equity financing needs.
Commissioning timelines carry execution risk. Magnet manufacturing requires precise temperature control and coating processes that typically take 18-24 months to optimize. Any delays push revenue generation into 2029 or beyond, extending payback periods for investors.
The expansion supports U.S. Department of Defense initiatives to secure domestic magnet supplies for guided missiles, jet fighters, and submarines. Pentagon contracts often include premium pricing for guaranteed domestic sourcing, potentially improving margins versus commercial sales.
MP Materials shares trade at 3.2x forward sales, above the 2.1x average for specialty materials manufacturers. Investors are pricing in successful execution of the capacity expansion and sustained rare earth prices above $65 per kilogram.

