Type One Energy

Tennessee

Active

Stellarator fusion

Company overview

Founded: 2019
Total funding: USD 269 million
Technology: Stellarator fusion

About

Fusion energy developer planning Infinity Two 400 MWe baseload stellarator fusion power plant at TVA's former Bull Run site in Clinton, Tennessee. Submitted initial licensing application in January 2026.

Key investors

Breakthrough Energy Ventures, Amazon Climate Pledge Fund, Mayfield, East X Ventures, AECOM

SMR Brief Pro members also see:

Funding & Deals tracker entries: ████████
Analyst Notes: ████████
Risk Assessment: ████████
Related Regulatory Events: ████████
Opportunity Score: ████████
Related News: ████████

Get the full intelligence dossier on every SMR developer.

Other Stellarator fusion developers

Proxima Fusion

🇩🇪Munich, Germany