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Realta Fusion

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Jun 30, 2026Jun 30, 2026Realta Fusion Becomes First Commercial Fusion Company to Convert Plasma Directly Into Electricity Pulse story

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Khosla Ventures

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Jun 30, 2026Realta Fusion Becomes First Commercial Fusion Company to Convert Plasma Directly Into ElectricityRealta Fusion, a UW-Madison-born startup, announced the first demonstration by a commercial fusion company of direct energy conversion -- turning plasma kinetic energy straight into electricity, powering lightbulbs from its WHAM demonstration device on June 19. Direct conversion is roughly 90% efficient versus about 33% for the steam turbines fission reactors rely on, a technical milestone that could meaningfully cut fusion's projected cost per kilowatt-hour.→

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Jun 30, 2026FUNDINGRealta Fusion Becomes First Commercial Fusion Company to Convert Plasma Directly Into ElectricityFirst direct conversion→

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FUNDING· Jun 30, 2026

Realta Fusion Becomes First Commercial Fusion Company to Convert Plasma Directly Into Electricity

Illustration for: Realta Fusion Becomes First Commercial Fusion Company to Convert Plasma Directly Into Electricity

FUNDINGFirst direct conversion

Realta Fusion Becomes First Commercial Fusion Company to Convert Plasma Directly Into Electricity

Realta Fusion, a UW-Madison-born startup, announced the first demonstration by a commercial fusion company of direct energy conversion -- turning plasma kinetic energy straight into electricity, powering lightbulbs from its WHAM demonstration device on June 19. Direct conversion is roughly 90% efficient versus about 33% for the steam turbines fission reactors rely on, a technical milestone that could meaningfully cut fusion's projected cost per kilowatt-hour.

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