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Weekly Natural Gas Storage Report

for week ending October 3, 2025   |   Released: October 9, 2025 at 10:30 a.m.   |   Next Release: October 16, 2025

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(10/03/24)
5-year average
(2020-24)
Region 10/03/25 09/26/25 net change implied flow   Bcf % change Bcf % change
East 860     832     28     28       869     -1.0     842     2.1    
Midwest 1,001     972     29     29       1,037     -3.5     1,004     -0.3    
Mountain 275     269     6     6       286     -3.8     232     18.5    
Pacific 304     302     2     2       293     3.8     277     9.7    
South Central 1,201     1,186     15     15       1,133     6.0     1,129     6.4    
   Salt 295     292     3     3       272     8.5     280     5.4    
   Nonsalt 906     894     12     12       861     5.2     849     6.7    
Total 3,641     3,561     80     80       3,618     0.6     3,484     4.5    
Totals may not equal sum of components because of independent rounding.


Summary

Working gas in storage was 3,641 Bcf as of Friday, October 3, 2025, according to EIA estimates. This represents a net increase of 80 Bcf from the previous week. Stocks were 23 Bcf higher than last year at this time and 157 Bcf above the five-year average of 3,484 Bcf. At 3,641 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.

Working Gas in Underground Storage Compared with Five-Year Range

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)
Region 10/03/25 09/26/25   net change
East 0.6     0.6       0.3    
Midwest 0.8     0.8       0.5    
Mountain 3.2     3.2       0.3    
Pacific 0.0     0.0       0.0    
South Central 0.8     0.8       0.2    
   Salt 1.4     1.4       0.2    
   Nonsalt 1.0     1.0       0.2    
Total 0.4     0.4       0.6