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Colorado Natural Gas Underground Storage Capacity (Million Cubic Feet)
Colorado Natural Gas Underground Storage Capacity (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2002 100,227 100,227 100,227 100,227 100,227 100,227 100,227 100,227 100,227 100,227 100,227 100,227
  2003 100,227 100,227 100,227 100,227 100,227 101,055 101,055 101,055 101,055 101,055 101,055 101,055
  2004 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055
  2005 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055
  2006 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 101,055 98,068 98,068 98,068
  2007 93,474 93,474 93,474 93,474 93,474 93,474 93,474 93,474 98,068 98,068 98,068 98,068
  2008 98,068 98,068 98,068 98,068 98,068 98,068 98,068 98,068 98,068 98,068 98,068 98,068
  2009 98,068 98,068 98,068 98,068 98,068 98,068 98,068 98,068 108,768 108,768 108,768 105,768
  2010 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768
  2011 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768 105,768
  2012 105,858 105,858 105,858 123,058 123,058 123,058 123,058 123,058 123,058 123,058 124,253 124,253
  2013 122,982 122,086 122,086 122,086 122,086 122,086 122,086 122,086 122,086 122,086 122,086 122,086
  2014 122,086 122,086 122,086 122,086 122,086 122,086 127,186 130,186 130,186 130,186 130,186 130,186
  2015 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186
  2016 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186 130,186
  2017 130,186 130,186 130,186 139,486 139,486 139,486 139,486 139,486 139,486 139,486 139,486 139,627
  2018 139,627 139,627 139,627 139,627 139,627 139,627 139,627 139,627 139,627 139,627 139,627 140,407
  2019 140,407 140,407 140,407 140,407 140,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407
  2020 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407
  2021 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407
  2022 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407
  2023 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407
  2024 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407 141,407
  2025 141,407 141,407 141,407 141,407 141,407 141,407 141,407

- = 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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