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MetroVolt › Readiness & Timeline
Readiness & Timeline

Where MetroVolt Sits Relative to the Field

MetroVolt is one design-stage concept among many fusion efforts; its distinguishing choices are D-³He, direct conversion, and a low water footprint.

A concept among concepts

Many organizations pursue fusion energy, most using D-T fuel and thermal (steam-cycle) power conversion. None has demonstrated net electric. MetroVolt sits in this landscape as a design-stage concept with distinct choices, not as a proven exception — the honest comparison is on approach, not on results, because results do not yet exist for anyone.

Distinguishing choices (design-stage)D-³He fuel (low neutron fraction ~5.44%)Direct energy conversion (no steam cycle)Almost-no-water footprintCo-located siting with load

Honest positioning

MetroVolt’s choices carry their own harder problems — helium-3 supply and tandem-mirror confinement chief among them — which mainstream D-T tokamak efforts do not face in the same form. It is not “ahead” or “behind” the field so much as a different bet, at a similar early maturity.

Comparisons here stay on technical approach and readiness. Any performance ranking would be premature for MetroVolt or any other concept while net electric remains undemonstrated across the field.

Content reviewed August 2026 · design-and-simulation stage