Why did the U.S. just put helium on its critical materials list?

What the list actually does

The Critical Material List is not a ban. It is not a tariff. It is a signal.

Under Section 7002(a)(2) of the Energy Act of 2020, the Secretary of Energy can designate any non-fuel mineral, element, substance, or material that faces a high risk of supply disruption and serves an essential function in energy technologies. Technologies that produce, transmit, store, or conserve energy all count. The list exists so agencies, manufacturers, and planners know where to focus resilience work.

Helium joins a roster that already includes aluminum, cobalt, copper, dysprosium, electrical steel, fluorine, gallium, iridium, lithium, magnesium, natural graphite, neodymium, nickel, platinum, praseodymium, terbium, silicon, and silicon carbide. Metallurgical grade coal for steelmaking was added in May 2025. The Department of Energy published its first final list in August 2023. Each addition follows an assessment that weighs short- and medium-term criticality.

Why helium made the cut now

The assessment concludes that helium is needed globally for semiconductor manufacturing and other key energy applications. It is non-substitutable for multiple critical energy functions. Those functions include semiconductor manufacturing, leak testing natural gas infrastructure, and quantum computing. Helium is also essential to key medical and scientific applications.

Demand is growing because advanced semiconductor manufacturing depends on helium. That manufacturing is essential for semiconductor and data center supply chains. The notice explicitly ties the decision to the President's policy goal of "Winning the AI Race: America's AI Action Plan" and to "Advancing United States Leadership in Artificial Intelligence Infrastructure." The assessment document sits on DOE's website at energy.gov/cmm/what-are-critical-materials-and-critical-minerals.

What the designation changes for buyers and suppliers

No immediate regulatory requirement lands on private companies today.

The notice is an advisory. It tells the public that the Secretary has made the determination. Federal agencies may now prioritize helium in supply-chain mapping, stockpiling studies, or research funding. The Department of Energy can use the designation to justify budget requests for helium recycling, capture, or alternative sourcing. For a hospital running MRI machines, nothing changes tomorrow. For a fab operator planning a new cleanroom, the signal is clear: helium supply is a recognized national vulnerability. The notice does not set allocation rules. It does not create a strategic reserve. It does not restrict exports. Those steps would require separate rulemaking or legislation.

The legal paper trail

Signed on October 21, 2026, by Audrey Robertson, Assistant Secretary for the Office of Critical Minerals and Energy Innovation, under delegated authority from the Secretary of Energy. Jennifer Hartzell, Alternate Federal Register Liaison Officer, submitted it for publication on October 23. It appears at 91 FR 67558, document number 2026-21884. The public inspection version went live on October 26 at 8:45 a.m. and was viewed 45 times before final publication.

Questions go to Jacob Ward at the Office of Critical Minerals and Energy Innovation, Office of Analysis and Strategy, Forrestal Building, Room CM-1, 1000 Independence Avenue SW, Washington, DC 20585. Phone (202) 430-2229. Email jacob.ward@doe.gov. The assessment behind the decision is public. The methodology dates to the July 2023 Critical Minerals Assessment. The list will be updated again when the next assessment warrants it.