Avalanche Energy

Builds micro-scale orbitron fusion power sources.

Energy & ClimateSeries B

Seattle, WA

Founded

2018

Employees

21-50

Total Raised

$170.3M

Last Round

Series B

Last Round Date

Jul 2025

Avalanche Energy is a energy & climate company based in Seattle, WA, founded 2018. The company is at the Series B stage, having raised $170.3M, with 21-50 employees.

Updated Feb 2026

Founders

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Brian Riordan

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Robin Langtry

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Avalanche Energy

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