NANO Nuclear Energy submitted a Construction Permit Application to the US NRC for its KRONOS Micro Modular Reactor — a landmark regulatory milestone anchoring the company's commercial narrative in a live NRC review process. The KRONOS is a solid core heat pipe reactor targeting industrial and remote power applications. NANO Nuclear CEO James Walker presented on standardisation and rapid rollout at the Reuters SMR Conference in Austin on May 11, 2026. The NRC review is expected to take 18–24 months.