Current Operating Status of HFIR

HFIR reactor building with sun and sky in background

As of 21:50:03 12/22/2014, Reactor Power is at 0 MW

The reactor is currently shutdown for the end-of-cycle 457 refueling outage.

Startup for operating cycle 458 is planned for Tuesday, January 13, 2015.


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