Living definition
What is TerraPower Natrium (Kemmerer Unit 1)?
Fusion & Advanced Nuclear Energy, Climate, Space & Materials
- As of
- 2026-10-01
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
TerraPower's Natrium design is an advanced nuclear reactor that uses liquid sodium instead of water as its primary coolant, pairing the reactor core with a molten-salt thermal storage system so the plant can bank heat and dispatch electricity output flexibly to match grid demand; Kemmerer Unit 1 is the first full-scale Natrium reactor built to this design.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-10-01, verified readiness is 20 (claimed 25, reported 25, gap 5) — Strong evidence strength; current signals suggest Treat Kemmerer as an active development project for long-term power planning.
The readiness fact belongs to the canonical Readiness Verdict for TerraPower Natrium (Kemmerer Unit 1).
Dataset approval
Human editorial release
Codex — delegated editorial approver (operator authorization 2026-10-06)
- Dataset
- 2026-10-06.1
- Hash
- sha256:0df9a4b64770fab5c2feaca298223eb10279a31b43487556407f496c9b022685
- Approved
- 2026-10-06