Natural Gas Inventories as of September 15, 2023
The EIA has released its natural gas inventory report, showing a net increase of 64 Bcf as of September 15, 2023.
Working gas in storage was 3,269 Bcf as of Friday, September 15, 2023, according to EIA estimates. This represents a net increase of 64 Bcf from the previous week. Stocks were 410 Bcf higher than last year at this time and 183 Bcf above the five-year average of 3,086 Bcf.
At 3,269 Bcf, total working gas is within the five-year historical range.

Working gas in underground storage, Lower 48 states | |||||||||||||||||||||||||
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Historical Comparisons | |||||||||||||||||||||||||
Stocks billion cubic feet (Bcf) |
Year ago (9/15/22) |
5-year average (2018-22) |
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Region | 9/15/23 |
9/08/23 | net change | implied flow | Bcf | % change | Bcf | % change | |||||||||||||||||
East | 793 | 775 | 18 | 18 | 686 | 15.6 | 751 | 5.6 | |||||||||||||||||
Midwest | 931 | 904 | 27 | 27 | 839 | 11.0 | 883 | 5.4 | |||||||||||||||||
Mountain | 228 | 225 | 3 | 3 | 167 | 36.5 | 189 | 20.6 | |||||||||||||||||
Pacific | 263 | 260 | 3 | 3 | 237 | 11.0 | 265 | -0.8 | |||||||||||||||||
South Central | 1,053 | 1,041 | 12 | 12 | 931 | 13.1 | 998 | 5.5 | |||||||||||||||||
Salt | 242 | 241 | 1 | 1 | 197 | 22.8 | 231 | 4.8 | |||||||||||||||||
Nonsalt | 811 | 801 | 10 | 10 | 733 | 10.6 | 767 | 5.7 | |||||||||||||||||
Total | 3,269 | 3,205 | 64 | 64 | 2,859 | 14.3 |
3,086 | 5.9 | |||||||||||||||||
Totals may not equal sum of components because of independent rounding. |
All regions experienced a net increase.
All regions, except for the the Pacific regions are above the five-year average.