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

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Total raised

$323.7M

Last round

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How much has Last Energy raised?

$323.7Macross 0 recorded rounds

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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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Frequently asked about Last Energy

How much has Last Energy raised?: Last Energy has raised $323.7M in total across 0 recorded funding rounds.