EIA reported a total U.S. propane/propylene inventory draw of 1.2 MMbbl for the week ended September 18, with essentially all of that total coming out of PADD 3 and driven by rising reported exports. Total stocks fell to 107.9 MMbbl but remained 8 MMbbl, or 8%, above the same week in 2025 and 6.4 MMbbl, or 6%, above the five-year maximum. Inventories were also 17.5 MMbbl, or 19%, above the five-year average.

PADD 3 (Gulf Coast) propane inventories fell by 1,192 Mbbl to 68,434 Mbbl. Inventories were 8.5 MMbbl, or 14%, above both the same week in 2025 and the previous five-year maximum. Stocks were 17.7 MMbbl, or 35%, above the five-year average.

Weekly propane exports reported by the EIA averaged 2,469 Mb/d, up 256 Mb/d from the prior reporting week and 270 Mb/d above the four-week average of 2.2 MMb/d.