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Refinery status worldwide from public records: EIA, EPA ECHO and NRC in the U.S., CER in Canada, and national ministries, operators and OPEC/Energy Institute data elsewhere. News is an unverified lead. Causes are not stated.

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Ontario · CFA Ontario

Sarnia Refinery

Suncor Energy Inc. · Sarnia, Ontario

Capacity
85,000 b/d
published refining capacity, barrels per day (CFA May 2026 map; company figures), as of 2026-05. Source: Canadian Fuels Association.
CFA May 2026 current capacity. Suncor’s site later states 92,000 b/d after a Jan 2026 network rerate; that newer figure is kept only as a cross-check.
Suncor Energy Inc.: 92,000 b/d as of 2026-10. published refining capacity on operator site after Jan 2026 network rerate. Flag: this differs from the figure above by 8.2%. The stored capacity is unchanged.Operator site differs by more than 5% from the CFA May 2026 map figure used here.
Status
Unknown
Crude oil refinery
Status from the shared downtime check (Google News, Ontario SAC / AER feeds where matched, external-findings).
Downtime check
Covered by the shared operating-status check (Google News, Ontario SAC and AER feeds where matched, external findings). See /status for the latest run.
DirectoryMap
Matched to NACEI facility record: Suncor Sarnia. Capacities in that 2017 file are not used.

Sources