Oak Ridge National Laboratory

DOE national laboratory in Oak Ridge, Tennessee; the largest science and energy lab in the DOE system. ¹

National labFission

Plants and sites 1

Oak Ridge National Laboratory operates High Flux Isotope Reactor Test reactor · Operating · Oak Ridge, TN · Research reactor, 85 MW thermal. Quote supports ORNL management; HFIR page is on ORNL's site.

²neutrons.ornl.gov · checked 2026-10-10 ³osti.gov ⁴energy.gov High confidence Report a correction: Oak Ridge National Laboratory operates High Flux Isotope Reactor

Sources 4

1 https://www.energy.gov/national-laboratories energy.gov
2 https://neutrons.ornl.gov/hfir neutrons.ornl.gov
3 https://www.osti.gov/biblio/5105097 osti.gov
4 https://www.energy.gov/sites/prod/files/2017/04/f34/Assessment%20of%20Nuclear%20Reactor%20Factility%20Ops%20at%20ORNL%20HFIR.pdf energy.gov