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Weekly Natural Gas Storage Report

for week ending May 2, 2025   |   Released: May 8, 2025 at 10:30 a.m.   |   Next Release: May 15, 2025

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(05/02/24)
5-year average
(2020-24)
Region 05/02/25 04/25/25 net change implied flow   Bcf % change Bcf % change
East 362     331     31     31       450     -19.6     379     -4.5    
Midwest 454     425     29     29       586     -22.5     478     -5.0    
Mountain 180     174     6     6       190     -5.3     124     45.2    
Pacific 232     226     6     6       245     -5.3     198     17.2    
South Central 917     885     32     32       1,085     -15.5     937     -2.1    
   Salt 293     281     12     12       314     -6.7     286     2.4    
   Nonsalt 624     605     19     19       771     -19.1     650     -4.0    
Total 2,145     2,041     104     104       2,557     -16.1     2,115     1.4    
Totals may not equal sum of components because of independent rounding.


Summary

Working gas in storage was 2,145 Bcf as of Friday, May 2, 2025, according to EIA estimates. This represents a net increase of 104 Bcf from the previous week. Stocks were 412 Bcf less than last year at this time and 30 Bcf above the five-year average of 2,115 Bcf. At 2,145 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 05/02/25 04/25/25   net change
East 1.1     1.2       0.4    
Midwest 0.8     0.8       0.8    
Mountain 1.1     1.0       0.3    
Pacific 0.0     0.0       0.0    
South Central 0.8     0.8       0.5    
   Salt 1.5     1.5       0.3    
   Nonsalt 1.0     1.0       0.4    
Total 0.4     0.4       1.0