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Saturday, June 13, 2026
Deutelio — Technical Profile & Analysis
Deep-dive assessment of the Levitated Dipole architecture, fuel path, and market positioning.
Technology Assessment & Commercial Milestones
Magneto-Inertial, Pulsed & Alternative Cores
Pulsed compression schemes that explicitly avoid massive static superconducting magnets, prioritising upfront-capex reductions and modular replicability.
Reactor design
Magnetic / Levitated Dipole
Core tech focus
Levitated superconducting rings
Key milestones
Early-stage; pure D-D fuel.
Early-stage Swiss levitated-dipole program targeting pure D-D fuel — sidesteps the entire tritium logistics and breeding bottleneck at the cost of higher triple-product requirements.
FRC, MTF, sheared-flow Z-pinch and levitated dipole topologies. Helion's magneto-inertial FRC bypasses the thermal steam cycle entirely — plasma magnetic energy directly induces electricity in surrounding coils on expansion. TAE's continuous beam-driven FRC targets p-¹¹B, demanding triple products on the order of 10²⁴–10²⁵ keV·s·m⁻³.
- Pulsed-rep-rate engineering: sustaining 1–10 Hz operation with millisecond-scale energy recovery.
- For aneutronic FRC (TAE), bremsstrahlung scales as Pbrems ∝ Tₑ^½, capping Pfus/Pbrems at ~0.2–0.3 without non-thermal ion distributions.
- For MTF (General Fusion), liquid-metal vortex stability under pneumatic shock and synchronisation of dozens of pistons.
- For sheared-flow Z-pinch (Zap), maintaining kink-stability at commercial pulse repetition rates.
- Elimination of large superconducting magnet assemblies removes the single largest capex line in tokamaks.
- Direct-conversion architectures bypass the 35–40% Rankine/Brayton thermodynamic ceiling, pushing net plant efficiency past 60–70%.
- Liquid-metal first-walls (General Fusion) eliminate first-wall replacement cycles entirely.
Helion holds the industry's singular commercial benchmark — a binding Microsoft 50 MW PPA for 2028. D-³He fuel and direct induction allow compact, high-rep-rate modules suited to hyperscaler data-centre siting. General Fusion offers radical mechanical simplicity by replacing lasers and brittle superconductors with pistons, solving the neutron-wall problem via a rotating liquid-lithium barrier. Zap has demonstrated 1.6 GPa plasma pressure, suggesting magnet-free architectures may be the lowest-capex route.
Sourced from the 2026 Global Fusion Energy Comparison — triple-product physics, DEC architecture, and LCOE framework.
Who built Deutelio
The Elio brothers founded Deutelio by drawing upon their deep, multi-decade involvement within Europe's most prominent institutional fusion projects. Having contributed extensively to the RFX reversed-field pinch experiment in Padua and spent years refining structural and thermal designs for ITER, Filippo and Francesco Elio possess a granular understanding of magnetic confinement limitations. Their company focuses on a total rethinking of the inner tokamak wall and divertor geometry, implementing a modular, highly accessible magnetic architecture designed to maximize runtime and ease robotic maintenance in commercial operations.
Filippo Elio
Degree in Electrical & Nuclear Engineering, University of Padua
Francesco Elio
Degree in Nuclear Engineering, University of Padua
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