The EIA reported a 2.5 MMbbl build in total U.S. propane/propylene inventories for the week ended October 24 — the largest storage level since recordkeeping began in 2011 and well above industry expectations for an increase of 722 Mbbl and the average build of 283 Mbbl. Storage levels were 14% higher than the same period last year, which was the five-year high. Total U.S. propane/propylene stocks reached a record 105.7 MMbbl, about 4.2 MMbbl (4%) above the same week in 2024 and the five-year maximum. Inventories were also 12.7 MMbbl (14%) above the five-year average, underscoring continued strength in supply heading into winter.
