Exshaw Plant — Canada

Exshaw Plant is a lime plant in Canada. Its listed capacity is 300,230 t of lime. Lime plants calcine limestone in kilns at 800–900°C; the quicklime they produce reacts with moisture and has to be kept dry. By capacity it ranks #5 among 11 lime plants in Canada. It emits about 168,836 t CO₂e a year from Climate TRACE. That is 0.24% of the CO₂e from the 127 facilities in Canada that have an emissions figure in IndustryAtlas. Its CO₂ per unit of capacity is 15% below the national median for this sector.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-38467326.

In context: how this facility compares

At 300,230 t of lime, Exshaw Plant is well above the median lime plant in Canada (231,971 t of lime). Subsector: lime. As lime plant, it requires high process heat (typically 600–900°C) for its core industrial operations, supplied by boilers, furnaces or direct combustion. Lime plants calcine limestone in kilns at 800–900°C; the quicklime they produce reacts with moisture and has to be kept dry.

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

What 168,836 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 lime plants in Canada

Listed capacity (t of lime), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Local climate

Exshaw Plant sits in a subarctic (boreal) climate zone (Köppen Dfc), at 51.1°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 mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

In this site’s local climate, a bare 150 °C surface sheds about 1475 W/m² to ambient — roughly 1.14× 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 #5 largest of 11 lime plants in Canada by listed capacity (Climate TRACE).

Nearby industrial sites

• Exshaw Cement Plant · Cement Plant · 901,178 t CO₂
• Baymag Exshaw Operations · Other Manufacturing · 173,462 t CO₂
• Calgary Wallboard Plant · Other Manufacturing · 27,508 t CO₂
• Carseland Nitrogen Operation · Chemical Plant · 708,709 t CO₂
• Skookumchuck Softwood Bleach Kraft Pulp Mill · Pulp & Paper Mill · 74,937 t CO₂
• Skookumchuk Pulp Mill · Pulp & Paper Mill · 65,570 t CO₂

Location

Coordinates 51.0682, -115.1364. View on OpenStreetMap.

Frequently asked questions