Gas Transmission Northwest
- Transports natural gas from the Western Canadian Sedimentary Basin and Rocky Mountain to (GTN) Washington, Oregon, and California
- Connects with Tuscarora and Foothills
- GTN is operated by a subsidiary of TC Energy Corporation
- TC PipeLines, LP owns 100 percent of GTN
Gas Transmission Northwest
Great Lakes Gas Transmission Limited Partnership
- Transports natural gas from western Canada
- Delivery points in Minnesota, Wisconsin, Michigan and eastern Canada
- Great Lakes is operated by a subsidiary of TC Energy Corporation
- TC Pipelines, LP owns 46.45 percent of Great Lakes, the remaining 53.55 percent is held by subsidiaries of TC Energy
Great Lakes Gas Transmission
North Baja Pipeline
- Transports natural gas between Arizona and California
- Connects with a third-party pipeline on the California/Mexico border
- North Baja is operated by a subsidiary of TC Energy Corporation
- TC PipeLines, LP owns 100 percent of North Baja
North Baja Pipeline
Tuscarora Gas Transmission
- Transports natural gas from the GTN System at Malin, Oregon, to Wadsworth, Nevada
- Delivery points in northeastern California and northwestern Nevada
- Tuscarora is operated by a subsidiary of TC Energy Corporation
- TC PipeLines, LP owns 100 percent of Tuscarora
Tuscarora Gas Transmission
