Type One Energy Raises $200M to Push Fusion Power Plant Plan Toward 2034

Type One Energy, a Knoxville, Tennessee-based startup founded in 2019 to build fusion power plants, announced that it raised $200 million from investors. The new Series B is meant to support the company’s plan to bring a commercial fusion power plant onto the grid by 2034. CEO Christofer Mowry told TechCrunch the round should get the company halfway to paying for a 400-megawatt commercial power plant.

Type One is pursuing a lean model: it plans to design the power plant and many components, then rely on a bespoke supplier network to build them. Mowry said this approach could reduce the amount of capital needed compared with vertically integrated companies that make most parts in-house. The key takeaway for readers: Type One is betting that focus and supplier coordination can be more efficient than building a large manufacturing footprint.

The company has begun assembling partners for its fusion roadmap. Type One will build its first two fusion devices at the Tennessee Valley Authority’s Bull Run site, while AECOM is working on engineering for Infinity Two, the initial commercial power plant. Commonwealth Fusion Systems has licensed its high-temperature superconducting magnet technology to Type One, and that technology will help form the backbone of Type One’s reactor design.

By relying on outside suppliers, Type One becomes an integrator: a company that assembles a product from parts made by others. That can reduce manufacturing risk and provide access to specialized partners, but it can also mean less direct control over quality and execution. Mowry told TechCrunch the company is betting it can manage integration risk better than the risk of doing everything in-house.

The round was led by repeat investor Breakthrough Energy Ventures and Clutterbuck Capital. Lowercarbon Capital, Siemens Energy Ventures, and SiteGround Capital also participated. Type One had previously raised $82.5 million in an extended Series A, placing the new raise within a broader funding push for fusion power development.