France runs nuclear fusion reactor for record 22 minutes

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"... The CEA seems to have done considerably better than 10 seconds and gone 25% beyond what China achieved in January 2025 with 1,066 seconds. In the latest test, the WEST Tokamak held its reaction for 1,337 seconds. ..."

France runs fusion reactor for record 22 minutes "France has upped the ante in the quest for fusion power by maintaining a plasma reaction for over 22 minutes – a new record. The milestone was reached on February 12 at the Commissariat à l'énergie atomique et aux énergies alternatives (CEA) WEST Tokamak reactor."

Nuclear fusion: WEST beats the world record for plasma duration! (original news release) "​On 12 February, the CEA’s WEST machine was able to maintain a plasma for more than 22 minutes. In doing so, it smashed the previous record for plasma duration achieved with a tokamak. This leap forward demonstrates how our knowledge of plasmas and technological control of them over longer periods is becoming more mature, and offers hope that fusion plasmas can be stabilised for greater amounts of time in machines such as ITER."

WEST, the tokamak run by the CEA

The plasma record reached a temperature of 50 million degrees.