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Avalanche Energy closes $40M for fusion micro-reactor demonstrator
Seattle micro-fusion company expands runway with Series B led by Founders Fund.
SEATTLE — May 27, 2026·By Marcus Holloway
Avalanche Energy closed a $40 million Series B led by Founders Fund. The company is pursuing an orbitron electrostatic confinement geometry intended for small, modular fusion power packs in the 5–15 kW range. Avalanche's stated target markets include defense and remote-power applications rather than grid-scale electricity.
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