Transient Reactor Test Facility (TREAT)
Situated at Idaho National Laboratory in Idaho, USA, the Transient Reactor Test Facility (TREAT) is the only U.S. facility capable of transient testing of nuclear fuels under accident conditions for civilian reactor safety research. After a 26-year shutdown, it restarted operations in 2017, marking
Key Stats
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Transient Reactor Test Facility (TREAT)
Status: OPERATIONAL Category: RESEARCH Country: USA USA Operator: idaho-national-laboratory Type: Graphite Graphite Capacity: N/A
Overview
Situated at Idaho National Laboratory in Idaho, USA, the Transient Reactor Test Facility (TREAT) is the only U.S. facility capable of transient testing of nuclear fuels under accident conditions for civilian reactor safety research. After a 26-year shutdown, it restarted operations in 2017, marking a significant milestone in nuclear safety studies. It continues to play a critical role in enhancing the safety of civilian nuclear technologies.
Key Facts
Notes
Restarted 2017 after 26-year shutdown. Only US facility capable of fuel transient testing. INL site.
Source: IAEA PRIS / reactors_canonical · Enriched by Grok Last updated: 2026-05-10
Sources
- Idaho National Laboratory - TREAT [UNVERIFIED] — Official page from the operator, Idaho National Laboratory, detailing the Transient Reactor Test Facility.
- Wikipedia - Transient Reactor Test Facility — Wikipedia entry providing an overview and history of TREAT.
- World Nuclear Association - Nuclear Power in the USA — WNA profile on nuclear power in the USA, including research facilities like TREAT.
- World Nuclear News - TREAT Restart [UNVERIFIED] — News article on the 2017 restart of TREAT after a long shutdown.
- NRC - Operating Reactors List — General NRC page for operating reactors in the USA, as a specific docket for TREAT is not listed due to its research focus.
Sources (1)
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