Neutrons Sciences Directorate at ORNL

Current Operating Status of HFIR

HFIR reactor building with sun and sky in background

As of 15:39:50 02/13/2013, Reactor Power is at 0 MW

The reactor is currently shutdown for the end-of-cycle 446 refueling outage.

Startup for cycle 447 is currently planned for Tuesday, May 7, 2013.


The current HFIR Operating Forecast & Planning Schedule is available in PDF format.