Weekly Natural Gas Storage Report
for week ending August 29, 2025 | Released: September 4, 2025 at 10:30 a.m. | Next Release: September 11, 2025
| Working gas in underground storage, Lower 48 states Summary text CSV JSN | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Historical Comparisons | |||||||||||||||||||||||||
| Stocks billion cubic feet (Bcf) |
Year ago (08/29/24) |
5-year average (2020-24) |
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| Region | 08/29/25 | 08/22/25 | net change | implied flow | Bcf | % change | Bcf | % change | |||||||||||||||||
| East | 735 | 707 | 28 | 28 | 760 | -3.3 | 724 | 1.5 | |||||||||||||||||
| Midwest | 860 | 832 | 28 | 28 | 920 | -6.5 | 859 | 0.1 | |||||||||||||||||
| Mountain | 254 | 254 | 0 | 0 | 269 | -5.6 | 209 | 21.5 | |||||||||||||||||
| Pacific | 294 | 298 | -4 | -4 | 289 | 1.7 | 265 | 10.9 | |||||||||||||||||
| South Central | 1,129 | 1,125 | 4 | 4 | 1,107 | 2.0 | 1,041 | 8.5 | |||||||||||||||||
| Salt | 273 | 272 | 1 | 1 | 268 | 1.9 | 248 | 10.1 | |||||||||||||||||
| Nonsalt | 856 | 853 | 3 | 3 | 839 | 2.0 | 794 | 7.8 | |||||||||||||||||
| Total | 3,272 | 3,217 | 55 | 55 | 3,345 | -2.2 | 3,099 | 5.6 | |||||||||||||||||
| Totals may not equal sum of components because of independent rounding. |
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Summary
Working gas in storage was 3,272 Bcf as of Friday, August 29, 2025, according to EIA estimates.
This represents a net increase of 55 Bcf from the previous week. Stocks were 73 Bcf less than last year at this time and 173 Bcf above the five-year average of 3,099 Bcf.
At 3,272 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 | 08/29/25 | 08/22/25 | net change | ||||||||
| East | 0.5 | 0.5 | 0.4 | ||||||||
| Midwest | 0.9 | 0.9 | 0.4 | ||||||||
| Mountain | 2.9 | 2.8 | 0.3 | ||||||||
| Pacific | 0.0 | 0.0 | 0.0 | ||||||||
| South Central | 0.8 | 0.8 | 0.6 | ||||||||
| Salt | 1.7 | 1.7 | 0.2 | ||||||||
| Nonsalt | 0.9 | 0.9 | 0.6 | ||||||||
| Total | 0.4 | 0.4 | 0.9 | ||||||||