The Canadian Mainline is 14,114 km (8,770 mile) in length and safely carries natural gas from the Western Canada Sedimentary Basin (WCSB) to Ontario and beyond. The map depicts the pipeline's southeastern section in the province of Ontario.

The Canadian Mainline is 14,114 km (8,770 mile) in length and safely carries natural gas from the Western Canada Sedimentary Basin (WCSB) to Ontario and beyond. The map depicts the pipeline's western section viewed from Saskatchewan to Manitoba.

The Canadian Mainline is 14,114 km (8,770 mile) in length and safely carries natural gas from the Western Canada Sedimentary Basin (WCSB) to Ontario and beyond. The map depicts the pipeline's northeastern section viewed in province of Ontario.

With this project, 2.9 miles (4.7 km) will be built along with two compressor stations and replacement of 26 miles (41.8) of existing pipeline. The changes will increase capacity by 1.3 billion cubic feet per day.

tce-FERC-TransCanada-Keystone-Tariff-Index-Nov-1-2023.pdf

The Heartland Project will help meet the market demand of natural gas and increase reliability on the existing ANR pipeline.