Natural Gas Inventories as of September 11, 2026The EIA has released its natural gas inventory report, showing a net increase of 44 Bcf as of September 11, 2026.Working gas in storage was 3,298 Bcf as of Friday, September 11, 2026, according to EIA estimates. This represents a net increase of 44 Bcf from the previous week. Stocks were 122 Bcf less than last year at this time and 118 Bcf above the five-year average of 3,180 Bcf.At 3,298 Bcf, total working gas is within the five-year historical range. Working gas in underground storage, Lower 48 statesHistorical ComparisonsStocksbillion cubic feet (Bcf)Year ago(09/11/25)5-year average(2021-25)Region09/11/2609/04/26net changeimplied flow Bcf% change Bcf% changeEast79577322227782.27525.7Midwest93490826269162.08993.9Mountain24123922260-7.32247.6Pacific289290-1-1296-2.42639.9South Central1,0391,044-5-51,170-11.21,041-0.2 Salt222227-5-5292-24.0242-8.3 Nonsalt81781700877-6.87982.4Total3,2983,25444443,420-3.63,1803.7Totals may not equal sum of components because of independent rounding.All regions experienced an increase, except for the Pacific, South Central and South Central Salt.All regions are above the five-year average, except for the South Central and South Central Salt.