Imperial Oil Sarnia Refinery — Canada

Imperial Oil Sarnia Refinery is a refinery in Canada. Its listed capacity is 121,000 BBL per day. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery. It is operated by Exxon Mobil Corp. By capacity it ranks #6 among 17 oil refineries in Canada. It emits about 1,625,111 t CO₂e a year from Climate TRACE. That is 2.3% of the CO₂e from the 127 facilities in Canada that have an emissions figure in IndustryAtlas. Its CO₂ per unit of capacity is 56% above the national median for this sector.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3143772.

In context: how this facility compares

At 121,000 BBL per day, Imperial Oil Sarnia Refinery is well above the median refinery in Canada (85,000 BBL per day). Subsector: oil-and-gas-refining. As refinery, it requires high process heat (typically 200–600°C) for its core industrial operations, supplied by boilers, furnaces or direct combustion. Refineries heat, fractionate and chemically transform crude oil into fuels and petrochemical feedstocks through energy-intensive distillation and cracking — extremely demanding on steam generation and heat recovery.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 1,625,111 t CO₂e a year looks like

This facility's estimated annual CO₂e (Climate TRACE, modelled) in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest oil refineries in Canada

Listed capacity (BBL per day), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Exxon Mobil Corp. All facilities by this operator →

Local climate

Imperial Oil Sarnia Refinery sits in a warm-summer humid continental climate zone (Köppen Dfb), at 43.0°N in the northern hemisphere.

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with thermal cycling the leading environmental stress.

In this site’s local climate, a bare 150 °C surface sheds about 1414 W/m² to ambient — roughly 1.09× the loss at a 20 °C reference. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby sites

The #6 largest of 17 oil refineries in Canada by listed capacity (Climate TRACE).

Nearby industrial sites

• Imperial Oil Products & Chemicals , Sarnia,Ontario · Petrochemical · 438,077 t CO₂
• Suncor Sarnia Refinery · Refinery · 848,610 t CO₂
• Smith Meat Packing, Inc. · Food & Beverage
• Shell Corunna Refinery · Refinery · 848,610 t CO₂
• Nova Chemicals Corp. Corunna, Sarnia,Ontario · Petrochemical · 2,099,079 t CO₂
• Cargill Salt Saint Clair · Food & Beverage · 69,809 t CO₂

Location

Coordinates 42.95186, -82.416. View on OpenStreetMap.

Frequently asked questions