Highest ion temperature in a fusion reactor
The current highest ion temperature in a fusion reactor record is 522 million K, held by JT-60U. Last checked October 14, 2026.
522
million K
JT-60U
- Holder
- JT-60U
- Record
- 522 million K
- Exact figure
- About 522 million K
- Location
- Naka, Ibaraki, Japan
- Last checked
- October 14, 2026
Sources
- en.wikipedia.org Read the source
- fire.pppl.gov Energy ja wec01
- en.wikipedia.org Tokamak Fusion Test Reactor
- world-nuclear.org Nuclear fusion power
Spotted an error or a newer record? Use the form below with a source link.
Spotted something out of date?
Know a different record we're missing? Tip us off
Get an email when records fall
Every Monday: the world records that were broken or newly set that week. Unsubscribe any time.