Last Energy

Washington, DC · Founded 2019 · Privately Held (backing)

Developer of small modular nuclear power projects intended to transform the nuclear power industry by dramatically reducing the time and cost of construction. Last Energy is based in Washington, DC and was founded in 2019. Its last reported valuation was $643 million in Jul 2025. It has raised $324 million.

Last reported valuation
$643.0M
Oct 2026
Priced at
—
Total raised
$323.7M
Last round
—

Who backs Last Energy?

20 investors
InvestorType
Impact AssetsOther
Quiet Capital—
Western Technology InvestmentVenture capital
First Round CapitalOther
Galaxy InteractiveVenture capital
AE Ventures—
London Technology ClubVenture capital
Armada InvestmentFamily office
DysruptekOther
GigaFundVenture capital
+ 10 more investors · a free account shows the complete list
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Last Energy investors

20 investors are on record for Last Energy, including Impact Assets, Quiet Capital, Western Technology Investment and First Round Capital. By type, the record holds 4 venture capital firms and 1 family office.

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