Operating Time

Critical, Shutdown, and Total Reactor Years (1987-2023):

• by Calendar Year
• by Fiscal Year

Download Critical, Shutdown, and Total Reactor Years spreadsheet

Operating Information Critical Years (1980-2023):

• by Site Calendar Year
• by Site Fiscal Year
• by Plant Calendar Year
• by Plant Fiscal Year
• Site and Plant Name-FID Key

Download Outage Information Site and Plant Tables spreadsheet

Operating Information Critical Hours (1961-1983):

• by Unit Calendar Year
• Download Unit Calendar Year Tables spreadsheet
  
  

  Note:

  This is historical data obtained from NUREG/CR-3862; no attempt was made to reconcile differences with the more recent data presented on this web page.