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Weekly Natural Gas Storage Report

for week ending September 15, 2017   |   Released: September 21, 2017 at 10:30 a.m.   |   Next Release: September 28, 2017

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(09/15/16)
5-year average
(2012-16)
Region 09/15/17 09/08/17 net change implied flow   Bcf % change Bcf % change
East 833     809     24     24       848     -1.8     813     2.5    
Midwest 938     906     32     32       981     -4.4     926     1.3    
Mountain 212     208     4     4       230     -7.8     199     6.5    
Pacific 300     296     4     4       318     -5.7     336     -10.7    
South Central 1,125     1,092     33     33       1,167     -3.6     1,066     5.5    
   Salt 304     285     19     19       279     9.0     259     17.4    
   Nonsalt 821     807     14     14       888     -7.5     808     1.6    
Total 3,408     3,311     97     97       3,544     -3.8     3,341     2.0    


Summary

Working gas in storage was 3,408 Bcf as of Friday, September 15, 2017, according to EIA estimates. This represents a net increase of 97 Bcf from the previous week. Stocks were 136 Bcf less than last year at this time and 67 Bcf above the five-year average of 3,341 Bcf. At 3,408 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 2012 through 2016. 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 09/15/17 09/08/17   net change
East 1.5     1.5       0.7    
Midwest 1.6     1.5       1.0    
Mountain 1.9     1.8       0.3    
Pacific 3.3     3.3       0.5    
South Central 1.7     1.7       1.5    
   Salt 3.4     3.4       1.2    
   Nonsalt 2.0     2.0       0.8    
Total 0.9     0.9       2.0