Idaho National Laboratory

Rule Changes

Primary site for reactor construction and rule development

The Energy Department published its secretly rewritten nuclear safety rules on February 26, about a month after NPR first reported their existence. By early March, Aalo Atomics had completed its Critical Test Reactor at Idaho National Laboratory — assembled in 40 days, the first new reactor built at INL in 50 years — and said it would go critical within weeks.

Updated May 27