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Tracker · Pre-application

Valar Atomics

The U.S. Nuclear Regulatory Commission (NRC) is engaging in pre-application activities with Valar Atomics Inc. (Valar), a Torrance, California company developing high-temperature gas-cooled reactor (HTGR) technology. Valar is working on two DOE-related projects: the Ward250 reactor, which is authorized under the DOE Reactor Pilot Program and is now operating, and the NumenorOne HTGR, for which Valar has submitted a DOE authorization application under the DOE National Reactor Innovation Center Launch Pad U.S.A. pathway. Valar is pursuing a pre-application regulatory relationship with the NRC.

Who
Not stated
Design
high-temperature gas-cooled reactor (HTGR)
Reactor type
High Temperature Gas Reactors
Status
Active on the NRC index
What
Not stated
When
Not stated
Site
Not stated on the NRC page in this snapshot.
NRC page reviewed
Thursday, October 22, 2026

Dockets

Status timeline

Dates are printed as the NRC page prints them, including the actual (A) or target (T) mark.

The NRC page in this snapshot does not list a milestone table.

NRC activity table

ProductTypeReferenceStatus
Regulatory Engagement Plan for Antares – March 2026Regulatory Engagement PlanML26274A394No review requested
Regulatory Engagement Plan for Antares – Aug 2026Regulatory Engagement PlanML26224A415No review requested

Related Federal Register notices

Included when a notice shares a docket printed on the NRC page, or when the notice title repeats the project or design name. Other NRC notices are left out.

No in-scope Federal Register notice is linked to this project.

NRC project page