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Type One Energy
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Short description

Developing a stellarator fusion energy system

Founded in 2019
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Company type Private Public ()
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Industry Group energy & power

Sector nuclear fusion

TRL Range 4-6
TRL 1 Basic research
TRL 2 Technology formulation
TRL 3 Applied research
TRL 4 Small scale prototype
TRL 5 Large scale prototype
TRL 6 Prototype system
TRL 7 Demonstration system
TRL 8 First of a kind commercial system
TRL 9 Full commercial application
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Headquarters United States United States
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Updated by Cleantech Group on 12/12/2024

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Date Partner Type
02/12/2025
Tennessee Valley Authority Tennessee Valley Authority
Type One Energy will develop potential fusion power plant in the Tennessee Valley region for a 350MW Pilot Power Plant (Infinity Two)
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Confirmed by Tennessee Valley Authority
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Date Investors Type Amount
07/30/2024 Breakthrough Energy Ventures Breakthrough Energy Ventures , Foxglove Ventures Foxglove Ventures , GD1 GD1 , Centaurus Capital Centaurus Capital (4)
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Seed extension round will support Type One Energy to finalize core reactor design and then prototype reactor, Infinity One, for the next year. The total Seed funding amounts to $82.5M.
 Seed $53,500,000
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