Washington, DC · Founded 2018 · Privately Held (backing)
Developer of radio-isotope power systems designed to convert the heat from recycled nuclear waste into electricity. Zeno Power is based in Washington, DC and was founded in 2018. Its last reported valuation was $175 million in Dec 2025. It has raised $75.6 million.
Last reported valuation
$174.7M
Oct 2026
Priced at
—
Total raised
$75.6M
Last round
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Cap table — not yet on record
Zeno Power's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 36 names
·Watch Zeno Power: the Monday email on marks, rounds and moves
