Project Update

 >$1.5 billion to U.S. industry, universities, and national laboratories 
 

2026 ITER status

Civil construction of the international ITER project in southern France is largely complete. Machine assembly is underway and early sub-system commissioning has begun.

Inside the tokamak pit of ITER where the fifth vacuum vessel sector has been installed.
The fifth vacuum vessel sector was installed in May 2026 inside the ITER toakamak pit.

US ITER update

Overall U.S. scope for ITER is more than 54% complete, with more than $1.5 billion awarded to U.S. industry, universities, and national laboratories.

All components of the U.S.-provided central solenoid superconducting magnet have been delivered to the ITER site and assembly is underway. Plasma heating, vacuum, cooling water, and diagnostic systems are in active fabrication.

About US ITER

US ITER is managed by Oak Ridge National Laboratory in Tennessee, with partner labs Princeton Plasma Physics Laboratory in New Jersey and Savannah River National Laboratory in South Carolina.

US ITER Project Update Fact Sheet: download PDF

US ITER Industry Impact Fact Sheet: download PDF.