Infinity Two

by Type One EnergyUS

Infinity Two is a 400 MWe commercial-scale stellarator fusion power plant at Bull Run, Tennessee, developed with TVA. Planned for grid connection in the mid-2030s after successful demonstration on Infinity One prototype.

ResearchStage 1 of 5

400 MWe stellarator plant in development with TVA. Grid connection targeted mid-2030s.

Updated Oct 2026Checked 10 Oct0 updates this week

Milestones

Next · Infinity One prototype construction begins
  1. Infinity One prototype construction beginsTarget 2026Not yet reached.
  2. Infinity One first plasmaTarget 2029Not yet reached.
  3. Infinity Two design completion and licensing preparationTarget 2030Not yet reached.
  4. Infinity Two operational startTarget 2034Not yet reached.

Most important, last 3 months

Upcoming

  1. 2026Infinity One prototype construction begins (next)
  2. 2029Infinity One first plasma
  3. 2029Infinity One prototype construction completion
  4. 2030Infinity Two design completion and licensing preparation
  5. 2030Infinity Two design finalization and regulatory submission
  6. 2034Infinity Two operational start
  7. 2034Infinity Two grid connection and operation
Primer