Opportunity

Federal Register #CPTR-6

NRC Environmental Assessment for Kairos Power Hermes Test Reactor Permit Extension

Posted

April 21, 2026

Respond By

April 23, 2026

Identifier

CPTR-6

This notice from the U.S. Nuclear Regulatory Commission (NRC) addresses an environmental assessment and finding of no significant impact (FONSI) related to the Kairos Power Hermes Test Reactor permit extension request. - Government Buyer: - U.S. Nuclear Regulatory Commission (NRC) - OEM/Vendor Mentioned: - Kairos Power LLC - Products/Services Requested: - No products or services are being requested; this is not a procurement action - Unique or Notable Requirements: - The notice concerns an amendment to extend the construction permit for the Hermes test reactor in Oak Ridge, Tennessee - NRC determined the extension will not result in significant environmental impacts - No new construction activities or modifications beyond those already authorized are included - This is a regulatory notice, not a solicitation for goods or services

Description

The U.S. Nuclear Regulatory Commission (NRC) has issued an environmental assessment (EA) and finding of no significant impact (FONSI) regarding Kairos Power LLC's request to amend Construction Permit No. CPTR-6 for the Hermes test reactor facility in Oak Ridge, Tennessee. The amendment seeks to extend the construction completion date from December 31, 2026, to April 30, 2029. The NRC concluded that the extension will not result in significant radiological or non-radiological environmental impacts, and no new construction activities beyond those already authorized will occur during the extended period.

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