Idaho National Laboratory

DOE national laboratory in southeastern Idaho focused on nuclear energy research and development. ¹

National labFission

Plants and sites 1

Idaho National Laboratory operates Advanced Test Reactor Test reactor · Operating · ID · Research/test reactor, in operation since 1967 (per DOE page). Quote places ATR at INL; INL as operator is inferred (DOE page does not literally say 'operated by INL').

³energy.gov · checked 2026-10-10 ⁴osti.gov ⁵energy.gov High confidence Report a correction: Idaho National Laboratory operates Advanced Test Reactor

Sources 5

1 https://www.energy.gov/national-laboratories energy.gov
2 https://content.govdelivery.com/accounts/USDOEINL/bulletins/3e78907 content.govdelivery.com · published 2025-07-01
3 https://www.energy.gov/node/3379090 energy.gov
4 https://www.osti.gov/servlets/purl/2448209 osti.gov
5 https://www.energy.gov/ea/articles/independent-assessment-safety-system-management-advanced-test-reactor-idaho-national energy.gov