XOM · News · 20260917N

Joliet Refinery Outage

ExxonMobil Holdings Corp · 2026-09-17 · Importance 34 · Surprise 42 · In source text

ExxonMobil’s 275,000-barrel-per-day Joliet, Illinois refinery remains offline after a power outage and floodwater overwhelmed a pump. ExxonMobil deployed a containment boom for cleanup, and the reports provide no restart timeline. The outage removes a major Midwest fuel supplier and may pressure regional refinery throughput, fuel availability and refining margins.

Key facts

Impact estimates

metricdirectionstageexpectedbasis
revenuenegativeprobable—ExxonMobil reported that floodwater overwhelmed a pump at its 275,000-barrel-per-day refinery in Joliet, Illinois.
operating_incomenegativeprobable—ExxonMobil reported that floodwater overwhelmed a pump at its 275,000-barrel-per-day refinery in Joliet, Illinois.