Project: constructionGovernment-published

What was reported

Kairos Power initiated nuclear construction on their Hermes test reactor in May 2025 and broke ground on their Hermes 2 reactor in April 2026.Regulator, government, developer and customer statements named in the Project Ledger · U.S. Department of Energy, Office of Nuclear Energy statement · May 23, 2026 · Open the source ↗

What the evidence supports

That U.S. Department of Energy, Office of Nuclear Energy, a government body, published the quoted statement. It records "site work" for DOE account of the Hermes 2 groundbreaking (separate from Hermes 1 nuclear construction) under construction only.

What remains unknown

Site work is not main-plant construction. Progress in any other dimension or unit. Physical work does not establish permissions, financing, customers or commissioning.

Source passages

Exact excerpts from the source, with links. Quotes are checked character for character against our stored copy.

U.S. Department of Energy, Office of Nuclear Energy statementKairos Power initiated nuclear construction on their Hermes test reactor in May 2025 and broke ground on their Hermes 2 reactor in April 2026.Regulator, government, developer and customer statements named in the Project Ledger · U.S. Department of Energy, Office of Nuclear Energy statement · May 23, 2026 · Open the source ↗

Revision history

  1. Revision 1 · Nov 11, 2026, 21:12 UTC

    Hermes 2 Demonstration Plant: DOE account of the Hermes 2 groundbreaking (separate from Hermes 1 nuclear construction) (site work)

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