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Commonwealth Fusion Systems, the top-funded fusion energy startup, received an $85 million award from the federal government on October 23, 2026 to advance semiconductor conductors for fusion power plants. The funding supports the company's effort to develop materials and components specifically designed to operate in the extreme conditions of fusion reactors. The award reflects growing government investment in accelerating the commercialization of fusion energy technology as a potential solution to decarbonization and long-term energy security.