Avalanche (Alternative Energy Equipment)

Alternative Energy Equipment · Tukwila, WA · Founded 2018 · Privately Held (backing)

Developer of compact fusion power systems designed to generate portable and scalable energy from nuclear reactions. Avalanche (Alternative Energy Equipment) is based in Tukwila, WA and was founded in 2018. Its last reported valuation was $130 million in Apr 2023. It has raised $174 million across 1 recorded round; the latest was a $29.2 million later-stage round in Jan 2026.

Last reported valuation
$130.0M
Oct 2026
Priced at
—
Total raised
$174.3M
Last round
Later Stage VC
Jan 2026

Who backs Avalanche (Alternative Energy Equipment)?

27 investors
InvestorType
Alumni VenturesVenture capital
US National Science FoundationOther
Impact AssetsOther
Climate CapitalVenture capital
RA Capital ManagementAsset manager
Founders FundVenture capital
Lowercarbon CapitalVenture capital
Toyota VenturesVenture capital
Shrug Capital—
The Grantham FoundationOther
+ 17 more investors · a free account shows the complete list
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Avalanche (Alternative Energy Equipment) investors

27 investors are on record for Avalanche (Alternative Energy Equipment), including Alumni Ventures, US National Science Foundation, Impact Assets and Climate Capital. By type, the record holds 10 venture capital firms and 3 asset managers. The later-stage round in Jan 2026 drew 6 investors.

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