Storage Report

Working gas in underground storage, Lower 48 states Summary text CSV JSN
    Historical Comparisons
Stocks
billion cubic feet (Bcf)
  Year ago
(09/14/17)
5-year average
(2013-17)
Region 09/14/18 09/07/18 net change implied flow   Bcf % change Bcf % change
East 709     679     30     30       830     -14.6     801     -11.5    
Midwest 770     734     36     36       933     -17.5     910     -15.4    
Mountain 170     166     4     4       211     -19.4     199     -14.6    
Pacific 255     250     5     5       299     -14.7     328     -22.3    
South Central 818     806     12     12       1,120     -27.0     1,071     -23.6    
Salt 184     182     2     2       301     -38.9     274     -32.8    
Nonsalt 635     624     11     11       819     -22.5     797     -20.3    
Total 2,722     2,636     86     86       3,394     -19.8     3,308     -17.7    
Totals may not equal sum of components because of independent rounding.

Summary

Working gas in storage was 2,722 Bcf as of Friday, September 14, 2018, according to EIA estimates. This represents a net increase of 86 Bcf from the previous week. Stocks were 672 Bcf less than last year at this time and 586 Bcf below the five-year average of 3,308 Bcf. At 2,722 Bcf, total working gas is below 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 2013 through 2017. 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 09/14/18 09/07/18   net change
East 1.0     1.0       0.5    
Midwest 0.9     0.9       0.6    
Mountain 1.7     1.7       0.2    
Pacific 0.0     0.0       0.0    
South Central 0.6     0.7       0.5    
Salt 2.3     2.3       0.1    
Nonsalt 0.5     0.5       0.5    
Total 0.4     0.4       0.9