Weekly Gas Storage: Inventories increase by 40 Bcf

Natural Gas Inventories as of September 4, 2026

The EIA has released its natural gas inventory report, showing a net increase of 40 Bcf as of September 4, 2026.

Working gas in storage was 3,254 Bcf as of Friday, September 4, 2026, according to EIA estimates. This represents a net increase of 40 Bcf from the previous week. Stocks were 79 Bcf less than last year at this time and 148 Bcf above the five-year average of 3,106 Bcf.

At 3,254 Bcf, total working gas is within the five-year historical range.

Working gas in underground storage, Lower 48 states

Historical Comparisons

Stocks
billion cubic feet (Bcf)

Year ago
(09/04/25)
5-year average
(2021-25)

Region
09/04/26

08/28/26

net change
implied flow

Bcf
% change
Bcf
% change

East
773
753
20
20

754
2.5
730
5.9

Midwest
908
890
18
18

886
2.5
870
4.4

Mountain
239
236
3
3

257
-7.0
220
8.6

Pacific
290
285
5
5

293
-1.0
263
10.3

South Central
1,044
1,051
-7
-7

1,143
-8.7
1,024
2.0

   Salt
227
238
-11
-11

281
-19.2
236
-3.8

   Nonsalt
817
813
4
4

862
-5.2
788
3.7

Total
3,254
3,214
40
40

3,333
-2.4

3,106
4.8

Totals may not equal sum of components because of independent rounding.

All regions experienced a decrease, except for South Central and South Central Salt.

All regions are above the five-year average, except for the South Central Salt.

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