Nuclear Company – Type One Energy
Type One Energy is a global fusion technology provider and original equipment manufacturer (OEM) commercializing advanced stellarator technology. Based in Knoxville, the company is mission-driven to provide sustainable, affordable fusion power to the world. Established in 2019 and venture-backed by Bill Gates’ Breakthrough Energy Ventures in 2023, Type One Energy is led by a team of globally recognized fusion scientists together with veteran business leaders experienced in scaling companies and commercializing energy technologies.
The company applies proven advanced manufacturing methods, modern computational physics and high-field superconducting magnets to develop its optimized stellarator fusion energy system. In 2025, Type One published a peer-reviewed physics basis considered “the gold standard” for commercial fusion power plants. Its FusionDirect™ program is the fastest path to fusion commercialization using proven equipment and technologies. In September 2025, the Tennessee Valley Authority (TVA) issued a letter of intent (LOI) to deploy the world’s first commercial, grid-scale fusion power plant with Type One Energy serving as the original equipment manufacturer (OEM).
