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| Washington Natural Gas Number of Commercial Consumers (Number of Elements) | |||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1980's | 51,365 | 56,487 | 55,231 | |||||||
| 1990's | 58,148 | 60,887 | 63,391 | 65,810 | 68,118 | 70,781 | 73,708 | 75,550 | 77,770 | 80,995 |
| 2000's | 83,189 | 84,628 | 85,286 | 87,082 | 93,559 | 92,417 | 93,628 | 95,615 | 97,799 | 98,965 |
| 2010's | 99,231 | 99,674 | 100,038 | 100,939 | 101,730 | 102,266 | 103,369 | 104,573 | 105,560 | 106,779 |
| 2020's | 107,156 | 107,840 | 108,368 | 108,777 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |