Nuclear Regulatory Commission approves Bill Gates-backed nuclear reactor in Wyoming

The Terrapower reactor uses a non-light water reactor design, and the approval is the first of that kind in 40 years. 

Published: March 4, 2026 4:45pm

The Nuclear Regulatory Commission voted unanimously Wednesday to grant Bill Gates-backed Terrapower a construction permit for a nuclear reactor in Wyoming. 

“This is a historic step forward for advanced nuclear energy in the United States and reflects our commitment to delivering timely, predictable decisions grounded in a rigorous and independent safety review,” NRC Chairman Ho Nieh said in a statement

The approval is the first commercial reactor the NRC has approved for construction in nearly a decade. 

The Terrapower reactor uses a non-light water reactor design, and the approval is the first of that kind in 40 years. 

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