View History:  Annual  
Download Data (XLS File)
California Number of Operating Refineries as of January 1 (Number of Elements)
California Number of Operating Refineries as of January 1 (Number of Elements)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  1980's 38 40 39 34 34 32 31 31
  1990's 30 29 25 24 25 24 NA 23 NA 23
  2000's 23 23 21 21 21 21 20 21 20 19
  2010's 18 18 16 16 17 17 17 17 16 15
  2020's 14 14 13 14 14


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 6/14/2024
Next Release Date: June 2025

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