View History:    Monthly     Annual   
Download Data (XLS File)
Washington Natural Gas Underground Storage Capacity (Million Cubic Feet)
Washington Natural Gas Underground Storage Capacity (Million Cubic Feet)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2002 37,300 37,300 37,300 37,300 37,300 37,300 37,300 37,300 37,300 37,300 37,720 37,720
  2003 37,720 37,720 37,720 37,720 37,720 38,969 38,969 38,969 39,628 39,628 39,628 39,628
  2004 39,628 39,628 39,628 39,628 39,628 39,628 39,628 39,628 39,628 40,247 40,247 40,247
  2005 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247
  2006 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247 40,247 42,191 42,191 42,191
  2007 42,191 42,191 42,191 42,191 42,191 42,191 42,191 42,191 43,316 43,316 43,316 43,316
  2008 43,316 43,316 43,316 43,316 43,316 43,316 43,316 43,316 43,316 43,316 39,341 39,341
  2009 39,341 39,341 39,341 39,341 39,341 39,341 39,341 39,341 39,341 39,341 39,341 39,210
  2010 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210
  2011 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210 39,210 41,309 41,309 41,309
  2012 46,595 46,637 46,637 46,637 46,781 44,829 44,829 46,900 46,900 46,900 46,900 46,900
  2013 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2014 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2015 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2016 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2017 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2018 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2019 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2020 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2021 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2022 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2023 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2024 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900 46,900
  2025 46,900 46,900 46,900 46,900 46,900 46,900 46,900

- = 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

Referring Pages: