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SunUp Fusion develops compact fusion power technology using deuterium-helium-3 fuel.
Founded in 2025 in Shanghai, SunUp Fusion was incubated by Fudan University's magnetic confinement fusion team. It is developing compact fusion technology using deuterium-helium-3 fuel and high-field superconducting magnets. Its HOPE experimental device is under construction, with AI plasma control systems. The company aims to develop power plants for locations near cities and data centers. In June 2026, it raised USD 100 million in venture funding.
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