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Indiana Natural Gas Underground Storage Capacity (Million Cubic Feet)
Indiana Natural Gas Underground Storage Capacity (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2002 109,310 109,310 109,310 109,310 109,310 109,310 109,310 109,310 109,310 109,310 111,556 111,556
  2003 112,088 129,968 112,095 112,095 112,095 111,095 111,095 111,095 111,095 111,095 111,095 111,095
  2004 111,680 111,680 111,680 111,680 111,680 111,680 111,680 111,680 111,680 113,597 113,397 113,397
  2005 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397
  2006 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397 113,397 114,080 114,080 114,080
  2007 114,080 114,080 114,080 114,080 114,080 114,080 114,080 114,080 114,294 114,294 114,294 114,294
  2008 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294
  2009 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,294 114,274
  2010 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274
  2011 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274 114,274 111,271 111,271 111,271
  2012 98,869 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749
  2013 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749
  2014 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749
  2015 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 110,749 111,581 111,581
  2016 111,581 111,581 111,581 111,581 111,581 111,581 111,581 111,581 111,581 111,581 111,581 111,581
  2017 111,721 111,721 111,721 111,721 111,721 111,721 111,721 111,721 111,721 111,721 111,721 115,325
  2018 113,665 113,659 113,659 113,659 113,659 113,659 113,659 113,659 113,659 113,659 113,659 113,761
  2019 113,911 113,156 113,156 113,156 113,006 113,006 113,006 113,006 113,006 113,006 113,006 112,972
  2020 112,909 112,909 112,909 112,909 112,909 112,909 112,909 112,909 112,909 112,909 112,909 112,987
  2021 112,987 112,987 112,987 112,987 112,987 112,987 112,987 112,987 112,987 112,987 112,987 113,465
  2022 113,465 113,465 113,465 113,465 113,465 113,465 113,465 113,465 113,465 113,465 113,465 113,537
  2023 113,537 113,537 113,537 113,537 113,537 113,537 113,537 113,537 113,537 113,537 113,537 113,549
  2024 113,549 113,549 113,549 113,549 113,549 113,549 113,549 113,549 113,549 113,549 113,549 113,549
  2025 113,549 113,549 113,549 113,549 113,549 113,549 113,549

- = 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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