Deep Fission Secures DOE Safety Approval for Subterranean Reactor Concept

By Aamir Khollam · Interesting Engineering · 2026-08-06

According to Interesting Engineering, federal regulators have approved a Nuclear Safety Design Agreement for a pressurized water reactor designed to operate a mile beneath the surface. Deep Fission plans to utilize a deep borehole to house its Gravity reactor, potentially minimiz

According to Interesting Engineering, federal regulators have approved a Nuclear Safety Design Agreement for a pressurized water reactor designed to operate a mile beneath the surface. Deep Fission plans to utilize a deep borehole to house its Gravity reactor, potentially minimiz