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
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Team — not yet on record
No current team members for Last Energy are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 20 names
·Watch Last Energy: the Monday email on marks, rounds and moves
