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Fusion Research Facility Achieves Net Energy Gain Milestone in Fusion Physics
By Sarah Jenkins
Sunday, June 21, 2026 at 07:47 PM
1 min read
In Short (TL;DR)
Using advanced magnetic confinement, the reactor sustained a high-temperature plasma, generating more energy than consumed.... This represents the direct, synthesized summary of the ongoing situation.
TOKYO — The National Institute for Fusion Science today announced that its experimental fusion reactor sustained a high-temperature deuterium plasma for a record 120 seconds, achieving a net energy gain of 1.25.
The milestone represents a major step forward for commercial fusion power development.
Fusion Energy Achievements * **Plasma Temperature**: Reached over 120 million degrees Celsius, hotter than the core of the sun. * **Magnetic Confinement**: Utilized next-gen superconducting magnets to stabilize the plasma. * **Energy Gain (Q)**: Generated 25% more thermal energy than the electrical input required to heat the plasma.
NIFS directors stated, 'Sustaining high-temperature plasma for two minutes is a major milestone for fusion physics. Our results validate the magnetic confinement design, bringing us closer to a clean, grid-scale fusion energy source.'
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