Weekly Natural Gas Storage Report
for week ending September 19, 2025 | Released: September 25, 2025 at 10:30 a.m. | Next Release: October 2, 2025
| Working gas in underground storage, Lower 48 states Summary text CSV JSN | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Historical Comparisons | |||||||||||||||||||||||||
| Stocks billion cubic feet (Bcf) |
Year ago (09/19/24) |
5-year average (2020-24) |
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| Region | 09/19/25 | 09/12/25 | net change | implied flow | Bcf | % change | Bcf | % change | |||||||||||||||||
| East | 807 | 781 | 26 | 26 | 816 | -1.1 | 788 | 2.4 | |||||||||||||||||
| Midwest | 945 | 920 | 25 | 25 | 990 | -4.5 | 945 | 0.0 | |||||||||||||||||
| Mountain | 266 | 261 | 5 | 5 | 278 | -4.3 | 221 | 20.4 | |||||||||||||||||
| Pacific | 300 | 297 | 3 | 3 | 288 | 4.2 | 270 | 11.1 | |||||||||||||||||
| South Central | 1,190 | 1,174 | 16 | 16 | 1,113 | 6.9 | 1,081 | 10.1 | |||||||||||||||||
| Salt | 299 | 294 | 5 | 5 | 265 | 12.8 | 259 | 15.4 | |||||||||||||||||
| Nonsalt | 890 | 879 | 11 | 11 | 848 | 5.0 | 822 | 8.3 | |||||||||||||||||
| Total | 3,508 | 3,433 | 75 | 75 | 3,486 | 0.6 | 3,305 | 6.1 | |||||||||||||||||
| Totals may not equal sum of components because of independent rounding. |
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Summary
Working gas in storage was 3,508 Bcf as of Friday, September 19, 2025, according to EIA estimates.
This represents a net increase of 75 Bcf from the previous week. Stocks were 22 Bcf higher than last year at this time and 203 Bcf above the five-year average of 3,305 Bcf.
At 3,508 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 | 09/19/25 | 09/12/25 | net change | ||||||||
| East | 0.6 | 0.6 | 0.3 | ||||||||
| Midwest | 0.8 | 0.8 | 0.2 | ||||||||
| Mountain | 3.1 | 3.1 | 0.3 | ||||||||
| Pacific | 0.0 | 0.0 | 0.0 | ||||||||
| South Central | 0.8 | 0.8 | 0.5 | ||||||||
| Salt | 1.4 | 1.5 | 0.2 | ||||||||
| Nonsalt | 1.0 | 1.0 | 0.4 | ||||||||
| Total | 0.4 | 0.4 | 0.7 | ||||||||