Weekly Natural Gas Storage Report
for week ending September 12, 2025 | Released: September 18, 2025 at 10:30 a.m. | Next Release: September 25, 2025
| Working gas in underground storage, Lower 48 states Summary text CSV JSN | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Historical Comparisons | |||||||||||||||||||||||||
| Stocks billion cubic feet (Bcf) |
Year ago (09/12/24) |
5-year average (2020-24) |
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| Region | 09/12/25 | 09/05/25 | net change | implied flow | Bcf | % change | Bcf | % change | |||||||||||||||||
| East | 781 | 757 | 24 | 24 | 799 | -2.3 | 765 | 2.1 | |||||||||||||||||
| Midwest | 920 | 890 | 30 | 30 | 970 | -5.2 | 917 | 0.3 | |||||||||||||||||
| Mountain | 261 | 257 | 4 | 4 | 275 | -5.1 | 216 | 20.8 | |||||||||||||||||
| Pacific | 297 | 293 | 4 | 4 | 283 | 4.9 | 266 | 11.7 | |||||||||||||||||
| South Central | 1,174 | 1,145 | 29 | 29 | 1,109 | 5.9 | 1,065 | 10.2 | |||||||||||||||||
| Salt | 294 | 282 | 12 | 12 | 270 | 8.9 | 255 | 15.3 | |||||||||||||||||
| Nonsalt | 879 | 863 | 16 | 16 | 839 | 4.8 | 810 | 8.5 | |||||||||||||||||
| Total | 3,433 | 3,343 | 90 | 90 | 3,437 | -0.1 | 3,229 | 6.3 | |||||||||||||||||
| Totals may not equal sum of components because of independent rounding. |
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Summary
Working gas in storage was 3,433 Bcf as of Friday, September 12, 2025, according to EIA estimates.
This represents a net increase of 90 Bcf from the previous week. Stocks were 4 Bcf less than last year at this time and 204 Bcf above the five-year average of 3,229 Bcf.
At 3,433 Bcf, total working gas is within the five-year historical range.
For information on sampling error in this report, see Estimated Measures of Sampling Variability table below.
Note: The shaded area indicates the range between the historical minimum and maximum values for the weekly series from 2020 through 2024. The dashed vertical lines indicate current and year-ago weekly periods.
| Estimated measures of sampling variabilityDownload History (April 2015 to Present) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Coefficient of Variation for Stocks % of working gas |
Standard Error for Net Change billion cubic feet (Bcf) |
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| Region | 09/12/25 | 09/05/25 | net change | ||||||||
| East | 0.6 | 0.6 | 0.3 | ||||||||
| Midwest | 0.8 | 0.9 | 0.3 | ||||||||
| Mountain | 3.1 | 3.0 | 0.4 | ||||||||
| Pacific | 0.0 | 0.0 | 0.0 | ||||||||
| South Central | 0.8 | 0.8 | 1.1 | ||||||||
| Salt | 1.5 | 1.5 | 0.3 | ||||||||
| Nonsalt | 1.0 | 0.9 | 1.0 | ||||||||
| Total | 0.4 | 0.4 | 1.2 | ||||||||