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Thea Energy Secures $100M to Build Eos Fusion Prototype and New Jersey Manufacturing Plant

Kearny-based Thea Energy raises $100M in Series B funding to scale magnet manufacturing and construct the Eos fusion power plant prototype in New Jersey.

By Colin Percy · May 28, 2026

Thea Energy has secured $100 million in Series B financing to accelerate the commercial development of its fusion power technology. The capital will be utilized to expand the company’s magnet manufacturing capabilities, including the addition of a second production facility in Northern New Jersey, and to support the site selection and construction of “Eos,” a large-scale integrated stellarator designed to provide steady-state fusion power.

The financing round was led by Thomas Tull’s US Innovative Technology Fund, with participation from a broad group of new and existing investors. Following the U.S. Department of Energy’s certification of its power plant preconceptual design, the company plans to double its workforce and identify a location for the Eos project by the end of the year, aiming to bring fusion energy to the commercial grid.

Companies mentioned

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Divergent Capital

other

Gaingels

other

Emerald Technology Ventures

other

Calm Ventures

other

Mercator

other

Whatif Ventures

other

Overlay Capital

other

Starlight Ventures

other

General Innovation Capital

other

Linse Capital

other

Hitachi Ventures

other

Alumni Ventures

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Idemitsu Kosan

other

Timescale Ventures

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US Innovative Technology Fund

developer

Thea Energy

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Lowercarbon Capital

other

Climate Capital

other

Prelude Ventures

other

Orion Industrial Ventures

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