Natural Gas Inventory +97 bcf vs +92 bcf Expected

September 21, 2017 10:30 AM EDT
  • Natural Gas Inventory +97 bcf vs +92 bcf Expected
Working gas in underground storage, Lower 48 statesSummary text CSV JSN
Historical Comparisons
Stocks
billion cubic feet (Bcf)
Year ago
(09/15/16)
5-year average
(2012-16)
Region09/15/1709/08/17net changeimplied flow Bcf% changeBcf% change
East833 809 24 24 848 -1.8 813 2.5
Midwest938 906 32 32 981 -4.4 926 1.3
Mountain212 208 4 4 230 -7.8 199 6.5
Pacific300 296 4 4 318 -5.7 336 -10.7
South Central1,125 1,092 33 33 1,167 -3.6 1,066 5.5
Salt304 285 19 19 279 9.0 259 17.4
Nonsalt821 807 14 14 888 -7.5 808 1.6
Total3,408 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)
Region09/15/1709/08/17 net change
East1.5 1.5 0.7
Midwest1.6 1.5 1.0
Mountain1.9 1.8 0.3
Pacific3.3 3.3 0.5
South Central1.7 1.7 1.5
Salt3.4 3.4 1.2
Nonsalt2.0 2.0 0.8
Total0.9 0.9 2.0



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