View History:  Monthly  
Download Data (XLS File)
California Natural Gas in Underground Storage (Base Gas) (Million Cubic Feet)
California Natural Gas in Underground Storage (Base Gas) (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1990 243,944 243,944 243,944 243,944 243,944 243,944 243,944 243,944 243,944 243,944 243,944 243,944
  1991 243,944 243,944 243,944 243,944 243,944 243,944 243,944 243,944 248,389 248,389 248,389 248,389
  1992 248,389 248,389 248,389 248,389 248,389 248,389 248,389 248,389 248,389 248,389 248,389 250,206
  1993 250,206 250,206 247,228 246,345 247,699 247,950 247,109 248,215 248,944 251,050 247,420 247,425
  1994 251,384 251,384 251,384 251,384 251,384 251,384 251,384 251,384 247,435 247,435 247,435 247,435
  1995 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419
  1996 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419
  1997 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,419 247,414 247,419 247,401 247,394
  1998 247,389 247,389 247,383 247,383 247,361 247,309 247,266 247,224 247,226 247,188 247,156 248,033
  1999 248,002 247,982 247,961 247,942 246,825 246,825 246,825 246,825 246,825 246,825 246,825 246,825
  2000 246,825 246,825 246,825 246,825 246,825 246,825 246,825 246,825 246,825 246,825 246,825 246,825
  2001 246,825 246,825 246,825 246,825 246,825 249,325 249,325 246,621 249,325 249,225 235,225 231,467
  2002 230,993 230,666 230,207 229,895 236,523 236,466 236,125 235,462 235,445 235,104 234,793 234,499
  2003 234,213 233,927 233,693 233,462 233,235 233,033 232,833 232,652 232,490 232,331 232,173 232,013
  2004 232,409 232,271 232,134 232,005 231,884 231,786 231,737 214,829 214,829 207,829 207,829 207,829
  2005 211,829 211,829 211,829 211,829 211,829 211,829 211,829 211,829 211,829 211,829 213,419 213,419
  2006 213,419 213,419 211,669 211,419 211,419 211,419 209,441 209,552 209,752 209,959 210,246 210,771
  2007 211,210 211,125 211,791 212,924 213,696 214,088 213,073 212,652 213,305 214,348 215,179 214,219
  2008 211,913 211,913 211,913 211,913 211,913 211,913 211,913 211,913 211,913 213,118 213,913 213,913
  2009 213,913 213,913 216,413 216,413 216,413 216,413 216,413 216,413 216,413 216,413 221,002 221,002
  2010 221,002 221,002 221,002 221,082 221,324 221,769 222,446 222,735 228,047 233,909 236,285 230,285
  2011 230,285 230,285 230,285 230,285 230,672 230,672 230,672 230,672 230,672 230,672 230,672 230,972
  2012 230,972 230,972 230,972 232,362 232,362 232,975 234,683 236,412 236,913 236,923 238,933 239,233
  2013 239,233 239,233 239,233 239,233 239,233 239,233 224,948 224,948 224,948 224,948 224,948 225,250
  2014 225,250 225,250 225,250 225,250 225,250 225,250 225,250 225,250 225,250 225,550 225,550 225,550
  2015 225,550 225,550 225,550 225,550 225,550 225,550 225,550 225,550 225,550 225,845 225,845 225,845
  2016 225,845 225,845 225,845 225,845 225,845 225,845 225,845 225,845 225,845 225,845 225,845 230,605
  2017 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605
  2018 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605 230,605
  2019 230,605 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115
  2020 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115 230,115
  2021 230,115 230,115 230,115 230,115 230,115 281,213 281,213 281,213 281,213 281,213 281,213 280,921
  2022 279,035 278,849 280,762 281,213 281,213 281,213 281,213 281,182 281,213 278,939 278,514 279,713
  2023 279,355 278,461 279,911 281,703 281,703 281,703 281,703 281,703 281,703 281,703 281,703 281,703
  2024 281,703 281,703 281,153 281,153 281,153 281,153 281,153 281,153 281,153 281,003 281,003 281,003
  2025 281,003 281,003 281,003 281,003 281,003 281,003 281,003

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 9/30/2025
Next Release Date: 10/31/2025

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