Living definition
What is X-energy Xe-100?
Fusion & Advanced Nuclear Energy, Climate, Space & Materials
- As of
- 2026-10-21
- Revision
- 2026-10-06.1
- Method
- v1.4.0
Definition
The term, in context
AI-assisted draft · approved dataset
X-energy's Xe-100 is a high-temperature gas-cooled small modular reactor that uses helium gas to carry heat away from a core packed with TRISO fuel pebbles, each pebble encasing its uranium fuel in layers of ceramic and carbon that contain radioactive material even under extreme heat.
Live readiness status
Status as of the current dateline
AI-assisted assembly · derived results
As of 2026-10-21, verified readiness is 15 (claimed 55, reported 25, gap 40) — Strong evidence strength; current signals suggest Consider Xe-100 for long-term project development, conditional on licensing and demonstration milestones.
The readiness fact belongs to the canonical Readiness Verdict for X-energy Xe-100.
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