NRC approves construction permit for TerraPower's Kemmerer unit 1 Natrium plant

The US Nuclear Regulatory Commission's approval of a construction permit for TerraPower's Kemmerer unit 1 Natrium plant provides a critical regulatory milestone for advanced nuclear development in the USA. This development-type transaction, announced on 2026-03-05, allows TerraPower to advance its commercial-scale non-light water reactor project. TerraPower, a nuclear innovation company, benefits directly by moving closer to deploying its nuclear energy technology. The undisclosed value of this early-stage project reflects its development status within the nuclear sector. The US Nuclear Regulatory Commission, responsible for regulating 93 commercial nuclear reactors across 28 states, extends its regulatory scope to advanced reactor designs with this permit. This federal agency ensures safety, security, and environmental protection for nuclear material use throughout the USA. For TerraPower, a nuclear innovation company, this approval advances its portfolio of technologies aimed at addressing climate change. The Kemmerer unit 1 Natrium plant represents a specific effort by TerraPower to develop nuclear energy applications for other industries. This development in the USA provides a tangible step towards deploying next-generation nuclear power.