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Thea Energy raises $100M in Series B funding led by US Innovative Technology Fund to enhance fusion energy technology and expand manufacturing capacity.

PRIVATEMay 27, 2026

Amount Raised

$100 Million

Round Type

Series B

PrincetonEnergyRenewable Energy

Investors

General Innovation Capital PartnersLinse CapitalEmerald Technology VenturesLowercarbon CapitalHitachi VenturesPrelude VenturesUS Innovative Technology Fund

Description

Thea Energy, a Kearny, New Jersey-based fusion energy technology developer, has raised $100 million in Series B funding. This round was led by Thomas Tull’s US Innovative Technology Fund, with other investors participating. The funds will be used to expand manufacturing capacity and fast-track construction of its Eos fusion system. The company also plans to double its workforce to support growth.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as Thea Energy that raised within 45 days of this round, from Fundz verified event records.

  • Bohr Energie raised $11M (Series A) on July 10, 2026.
  • Ocean Thermal Energy Corporation raised $20K (Series E) on July 10, 2026.
  • Axle Energy raised $25M (Series A) on July 10, 2026.
  • NovaSpark Energy raised $156K (Pre-Seed) on July 9, 2026.
  • Catalyxx raised $23M (Grant) on July 9, 2026.
  • Gridcog raised $13M (Series A) on July 8, 2026.

Who to call at Thea Energy, and when

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Company Information

Company

Thea Energy

Location

Princeton, New Jersey, United States

About

Thea Energy Inc. is a fusion energy company focused on leveraging recent breakthroughs in stellarator physics and engineering to create a faster, simpler approach to commercializing fusion energy. They are reinventing the stellarator using computer-controlled arrays of planar coils, thus eliminating the intricate, complex modular magnets required in all other proposed stellarator architectures.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Thea Energy raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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