TL;DR: Zephyr Fusion is a Y Combinator Fall 2025 startup Powering tomorrow's industrial revolution in space, currently active with a team of 2.
Powering tomorrow's industrial revolution in space
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Zephyr Fusion is building the first in-orbit fusion power source: a megawatt-class reactor enabling large-scale industry in space, at a fraction of the cost of equivalent solar. Founded by former physicists from Lawrence Livermore and Oak Ridge National Laboratories, Zephyr leverages decades of fusion research to deliver a compact magnetic confinement system designed to take advantage of the space environment.
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Yes. Zephyr Fusion was funded by Y Combinator in the Fall 2025 batch. Powering tomorrow's industrial revolution in space
Zephyr Fusion is building the first in-orbit fusion power source: a megawatt-class reactor enabling large-scale industry in space, at a fraction of the cost of equivalent solar. Founded by former physicists from Lawrence Livermore and Oak Ridge National Laboratories, Zephyr leverages decades of fusion research to deli…
Zephyr Fusion was part of Y Combinator's Fall 2025 batch.
Zephyr Fusion has a team of 2 people according to Y Combinator's directory.
Zephyr Fusion is currently listed as Active with a team of 2 in Y Combinator's directory.
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