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| TransCanada’s network of more than 59,000 kilometres (36,500 miles) of wholly owned pipeline taps into virtually all major gas supply basins in North America. |
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| Wholly Owned Pipelines |
Kilometres (Miles) of Pipeline |
Average 2006 Throughput |
| Alberta System |
23,498 (14,601) |
11.1 Bcf/d |
| Canadian Mainline |
14,957 (9,294) |
8.1 Bcf/d |
| Foothills System* |
1,241 (772) |
3.8 Bcf/d |
| ANR Pipeline |
17,000 (10,500) |
4.0 Bcf/d |
| GTN System |
2,174 (1,351) |
2.2 Bcf/d |
| North Baja |
129 (80) |
0.3 Bcf/d |
| Tamazunchale Pipeline |
130 (81) |
In-service December 2006 |
| *This information includes 2006 data from the B.C. System assets, which were integrated with the Foothills System on April 1, 2007. |
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| Affiliated Pipelines |
Kilometres (Miles) of Pipeline |
Average 2006 Throughput |
| Great Lakes Gas Transmission Company* |
3,404 (2,115) |
2.2 Bcf/d |
| Iroquois
Gas Transmission System |
666 (414) |
1.1 Bcf/d |
| Northern Border Pipeline Company* |
2,250 (1,398) |
2.2 Bcf/d |
| Portland Natural Gas Transmission System* |
474 (295) |
0.1 Bcf/d |
| Trans Québec and Maritimes Pipeline (TQM)* |
572 (355) |
0.4 Bcf/d |
| Tuscarora Gas Transmission* |
491 (305) |
0.1 Bcf/d |
*Operated by TransCanada |
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