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Weekly Natural Gas Storage Report

for week ending September 10, 2021   |   Released: September 16, 2021 at 10:30 a.m.   |   Next Release: September 23, 2021

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(09/10/20)
5-year average
(2016-20)
Region 09/10/21 09/03/21 net change implied flow   Bcf % change Bcf % change
East 732     703     29     29       822     -10.9     783     -6.5    
Midwest 876     842     34     34       979     -10.5     897     -2.3    
Mountain 193     191     2     2       220     -12.3     202     -4.5    
Pacific 240     243     -3     -3       310     -22.6     291     -17.5    
South Central 965     943     22     22       1,271     -24.1     1,064     -9.3    
   Salt 217     208     9     9       347     -37.5     261     -16.9    
   Nonsalt 748     735     13     13       924     -19.0     803     -6.8    
Total 3,006     2,923     83     83       3,601     -16.5     3,237     -7.1    

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

Summary

Working gas in storage was 3,006 Bcf as of Friday, September 10, 2021, according to EIA estimates. This represents a net increase of 83 Bcf from the previous week. Stocks were 595 Bcf less than last year at this time and 231 Bcf below the five-year average of 3,237 Bcf. At 3,006 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 2016 through 2020. 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 09/10/21 09/03/21   net change
East 0.9     0.9       0.4    
Midwest 0.8     0.8       0.5    
Mountain 1.3     1.3       0.2    
Pacific 0.0     0.0       0.0    
South Central 0.7     0.8       0.3    
   Salt 2.1     2.2       0.2    
   Nonsalt 0.8     0.8       0.2    
Total 0.4     0.4       0.7