Private company

Thea Energy, Inc. (United States)

American nuclear fusion and energy company

Thea Energy, formerly Princeton Stellarators, Inc (PSI), is an American fusion power company based in New Jersey. The company was founded in 2022 after a spin-off from the Princeton Plasma Physics Laboratory (PPPL) and Princeton University.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2022Founded1

Thea Energy, formerly Princeton Stellarators, Inc (PSI), is an American fusion power company based in New Jersey. The company was founded in 2022 after a spin-off from the Princeton Plasma Physics Laboratory (PPPL) and Princeton University.2

Timeline

  1. 2022Founded Founded1

Sources

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