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Download Data (XLS File) |
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| Washington Natural Gas Underground Storage Capacity (Million Cubic Feet) | ||||||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980's | 36,400 | 36,400 | ||||||||
| 1990's | 32,100 | 34,100 | 34,100 | 34,100 | 33,900 | 33,900 | 37,300 | 37,300 | 37,300 | 37,300 |
| 2000's | 37,300 | 37,000 | 39,627 | 40,247 | 41,263 | 42,191 | 43,316 | 39,341 | 39,287 | 39,210 |
| 2010's | 41,309 | 43,673 | 46,900 | 46,900 | 46,900 | 46,900 | 46,900 | 46,900 | 46,900 | 46,900 |
| 2020's | 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 |