Last mentioned: Mar 6, 2026
Target Completion
Expected date for reactor completion and initial grid synchronization.
Permit Approval
The NRC officially grants the commercial construction permit, the first since 2016.
Site Preparation
Non-nuclear construction and site grading begin at the Kemmerer location.
Application Submitted
TerraPower formally submits its construction permit application to the NRC.
Site Selection
TerraPower and PacifiCorp announce Wyoming as the location for the Natrium demonstration project.
The U.S. Nuclear Regulatory Commission has issued its first commercial nuclear construction permit since 2016, greenlighting a next-generation reactor project in Wyoming. This milestone marks a significant shift in U.S. energy policy toward advanced nuclear technology as a solution for decarbonizing the power grid.
This page surfaces every story mentioning Wyoming across our climate coverage. We track each entity's appearance over time so readers can trace how the narrative evolves — which developments are isolated incidents, which build into longer arcs, and which reframe how operators in the space think about the entity. Story selection uses the same multi-source verification gate applied across the rest of our coverage.
Read our editorial methodology for how we identify, deduplicate, and score entity references. Our glossary defines the technical terms used across stories on this page, and our trends index contextualizes individual developments against the longer-running climate beat. Cross-entity comparisons live on our compare view.
| What you see | What it tells you |
|---|---|
| Story count | Number of distinct stories where Wyoming was a primary or referenced actor. |
| Recency clustering | Whether mentions are concentrated in a recent window (a news cycle) or distributed (a sustained arc). |
| Sentiment distribution | Aggregate sentiment of the stories mentioning this entity, weighted by impact score. |
| Cross-niche links | When the same entity surfaces in our sibling networks, we link to those views to enrich context. |