Natural Gas Inventory +62 bcf vs +52 bcf Expected

May 3, 2018 10:30 AM EDT

Natural Gas Inventory +62 bcf vs +52 bcf Expected

Stocks
billion cubic feet (Bcf)
Year ago
(04/27/17)
5-year average
(2013-17)
Region04/27/1804/20/18net changeimplied flow Bcf% changeBcf% change
East223 205 18 18 322 -30.7 324 -31.2
Midwest221 211 10 10 517 -57.3 381 -42.0
Mountain86 84 2 2 152 -43.4 126 -31.7
Pacific187 177 10 10 232 -19.4 240 -22.1
South Central626 604 22 22 1,023 -38.8 807 -22.4
Salt190 182 8 8 328 -42.1 242 -21.5
Nonsalt436 421 15 15 695 -37.3 565 -22.8
Total1,343 1,281 62 62 2,246 -40.2 1,877 -28.4

Some natural gas storage operators have reported net withdrawals from base gas, beginning with the week ending April 6, 2018. The cumulative net withdrawals of base gas were treated as negative working gas stocks and are reflected in the working gas inventories. As a result, a small portion of this week's reported net change includes flows from base gas.

Summary

Working gas in storage was 1,343 Bcf as of Friday, April 27, 2018, according to EIA estimates. This represents a net increase of 62 Bcf from the previous week. Stocks were 903 Bcf less than last year at this time and 534 Bcf below the five-year average of 1,877 Bcf. At 1,343 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 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)
Region04/27/1804/20/18 net change
East2.4 2.6 0.4
Midwest1.4 1.7 1.0
Mountain2.3 2.3 0.2
Pacific2.2 2.2 0.9
South Central2.0 2.1 1.3
Salt2.7 2.6 0.9
Nonsalt2.6 2.7 0.9
Total1.1 1.1 1.9

Cumulative net withdrawals from base gas are not reflected in estimated standard errors.


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