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374 facts · 512 sources · updated 2026-09-30

Fact fund-014

newanalysisreported Accident liability: DOE has said pilot reactors count as DOE reactors under the federal nuclear indemnity
2025 · fund-014 · Valar Atomics, U.S. Department of Energy, The Breakthrough Institute · DOE's inflation-adjusted Price-Anderson indemnification amount per nuclear incident (2023 notice): $16,592,154,000

The Breakthrough Institute (Spencer Toohill and Adam Stein, 2 Oct 2025) quotes DOE, in material it links to the pilot program's request for applications on the FedConnect portal (which our tools cannot read, gov-032), saying a pilot reactor is 'considered a DOE reactor, and still covered under Price-Anderson indemnification', while the private developers own the reactors and bear all costs, and that any 'particular requirement' would be set in each company's Other Transaction Agreement. The authors say this leaves developers and investors uncertain about liability in an accident. DOE's 2023 Federal Register notice summarizes the law: subsection 170d of the Atomic Energy Act (the Price-Anderson Act) provides that the Secretary of Energy 'shall enter into agreements of indemnification' with anyone doing work under a DOE contract that carries a risk of public liability and is not covered by the NRC's financial-protection system; the same notice set DOE's indemnification amount at $16,592,154,000 per incident in the United States. Indemnification means the government, not the company, stands behind compensation claims up to that amount. Valar's OTA is not public (gov-003), so whether and how Ward 250 is indemnified is not confirmed from a primary record, and DOE's statement is dated only to 2025. Valar's safety design agreement (NSDA) does not mention Price-Anderson or indemnity. The state takes the opposite position for its own part: Utah's MOU with Valar says the state energy office cannot indemnify Valar (gov-011).

In plain termsIf a nuclear accident hurt people or property, someone has to pay. For work done under Energy Department contracts, a federal law (the Price-Anderson Act) makes the government stand behind those claims, up to about $16.6 billion per accident. DOE has said the test reactors in its fast-track program are covered by that law, even though private companies own them. If that applies to Valar, the federal government, not Valar's investors, would stand behind accident claims up to that limit. The agreement that would confirm it is not public.
verified 2026-09-29: Re-verified 2026-09-29: Breakthrough and the govinfo notice re-read; quotes exact. The DOE statement's own date is not given (it links to FedConnect), so the fact is dated 2025; 'the law itself says' reworded as the notice's summary; NSDA searched: no Price-Anderson mention.

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