Download the Forecast & Planning Schedule (PDF)
HFIR Operating Status
As of 23:25:54 11/14/2026 reactor power is 0 MW
The reactor is currently shutdown for End of Cycle-518. Startup for Cycle-519 is scheduled for November 24, 2026.
OPERATING SCHEDULE
Forecast & Planning Schedule (PDF)
HFIR & SNS 5-Year Working Schedule
INFORMATION
Performing Experiments at HFIR
HFIR: Celebrating 60 Years of Big Science
HFIR: Real-World Impacts & Innovation
HOW HFIR WORKS
HFIR IN 1 MINUTE