Natural Gas Inventories as of September 4, 2026The EIA has released its natural gas inventory report, showing a net increase of 40 Bcf as of September 4, 2026.Working gas in storage was 3,254 Bcf as of Friday, September 4, 2026, according to EIA estimates. This represents a net increase of 40 Bcf from the previous week. Stocks were 79 Bcf less than last year at this time and 148 Bcf above the five-year average of 3,106 Bcf.At 3,254 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(09/04/25)5-year average(2021-25)Region09/04/2608/28/26net changeimplied flow Bcf% change Bcf% changeEast77375320207542.57305.9Midwest90889018188862.58704.4Mountain23923633257-7.02208.6Pacific29028555293-1.026310.3South Central1,0441,051-7-71,143-8.71,0242.0 Salt227238-11-11281-19.2236-3.8 Nonsalt81781344862-5.27883.7Total3,2543,21440403,333-2.43,1064.8Totals may not equal sum of components because of independent rounding.All regions experienced a decrease, except for South Central and South Central Salt.All regions are above the five-year average, except for the South Central Salt.