Type One Energy raised $200M to build a fusion power plant by 2034

Type One Energy announced a $200 million Series B funding round to support its development of commercial fusion power plants. CEO Christofer Mowry told TechCrunch the new capital should cover about half the cost of a 400-megawatt commercial plant and that the company is targeting to bring its first plant online by 2034. Type One previously raised $82.5 million in an extended Series A.

The startup plans to operate as an integrator: it will design the plant and key components but rely on a network of external suppliers to manufacture and assemble much of the hardware. Type One argues this approach reduces upfront capital requirements compared with vertically integrated firms that build most parts in-house, a strategy Mowry described as more capital-intensive.

Type One has already begun building partner relationships. The company will site its first two fusion devices at the Tennessee Valley Authority’s Bull Run location, and AECOM is engaged on engineering for Infinity Two, Type One’s initial commercial plant. Type One has also licensed high-temperature superconducting magnet technology from competitor Commonwealth Fusion Systems, which the company says will be central to its reactor design.

Investors in the Series B included repeat backer Breakthrough Energy Ventures and Clutterbuck Capital, with participation from Lowercarbon Capital, Siemens Energy Ventures, and SiteGround Capital. While outsourcing can give Type One access to specialized expertise and lower fixed costs, Mowry acknowledged that integration brings different risks, including reduced direct control over supplier performance — a trade-off the company is betting it can manage.