Weekly Natural Gas Storage Report
for week ending July 31, 2026 | Released: August 6, 2026 at 10:30 a.m. | Next Release: August 13, 2026
| Working gas in underground storage, Lower 48 states Summary text CSV JSN | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Historical Comparisons | |||||||||||||||||||||||||
| Stocks billion cubic feet (Bcf) |
Year ago (07/31/25) |
5-year average (2021-25) |
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| Region | 07/31/26 | 07/24/26 | net change | implied flow | Bcf | % change | Bcf | % change | |||||||||||||||||
| East | 678 | 654 | 24 | 24 | 655 | 3.5 | 644 | 5.3 | |||||||||||||||||
| Midwest | 809 | 789 | 20 | 20 | 774 | 4.5 | 756 | 7.0 | |||||||||||||||||
| Mountain | 237 | 238 | -1 | -1 | 248 | -4.4 | 206 | 15.0 | |||||||||||||||||
| Pacific | 304 | 307 | -3 | -3 | 305 | -0.3 | 264 | 15.2 | |||||||||||||||||
| South Central | 1,090 | 1,096 | -6 | -6 | 1,147 | -5.0 | 1,052 | 3.6 | |||||||||||||||||
| Salt | 292 | 303 | -11 | -11 | 299 | -2.3 | 267 | 9.4 | |||||||||||||||||
| Nonsalt | 798 | 793 | 5 | 5 | 849 | -6.0 | 785 | 1.7 | |||||||||||||||||
| Total | 3,117 | 3,084 | 33 | 33 | 3,129 | -0.4 | 2,922 | 6.7 | |||||||||||||||||
| Totals may not equal sum of components because of independent rounding. |
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Summary
Working gas in storage was 3,117 Bcf as of Friday, July 31, 2026, according to EIA estimates.
This represents a net increase of 33 Bcf from the previous week. Stocks were 12 Bcf less than last year at this time and 195 Bcf above the five-year average of 2,922 Bcf.
At 3,117 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 2021 through 2025. 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 | 07/31/26 | 07/24/26 | net change | ||||||||
| East | 0.6 | 0.6 | 0.4 | ||||||||
| Midwest | 0.9 | 0.9 | 0.1 | ||||||||
| Mountain | 2.0 | 2.0 | 0.1 | ||||||||
| Pacific | 0.0 | 0.0 | 0.0 | ||||||||
| South Central | 0.8 | 0.8 | 0.8 | ||||||||
| Salt | 1.1 | 1.1 | 0.5 | ||||||||
| Nonsalt | 0.9 | 1.0 | 0.7 | ||||||||
| Total | 0.4 | 0.4 | 0.9 | ||||||||