1 2 4 5 5 5 9 10 7 8 6 11 3 12 13 BRITISH COLUMBIA ALBERTA YUKON NUNAVUT NORTHWEST TERRITORIES SASKATCHEWAN MANITOBA ONTARIO QUÉBEC Calgary WA OR NV UT NE CA ID MO WY ND MN IL MI NY ME NJ CT MA RI VT NH PA WI IA IN OH SD Interconnecting  hub/export point Proposed Union Gas TC PipeLines, LP TransCanada, wholly and partly owned Maine, New Hampshire Minnesota, Wisconsin, Michigan British Columbia, Alberta, Saskatchewan Saskatchewan, Manitoba, Ontario, Québec Alberta British Columbia Montana, North Dakota,  South Dakota, Minnesota,  Iowa, Illinois, Indiana Oregon, California, Nevada New York, Connecticut Alberta, Northwest Territories Alaska, Yukon, British Columbia, Alberta Québec (50% ownership Foothills  Pipe Lines Ltd.; TransCanada: 69.5% Saskatchewan seg- ment; 74.5% Alberta seg- ment; 74.5% B.C. segment) LENGTH:  1,040 km 2001 THROUGHPUT: 3.1 Bcf/d (50% TransCanada) LENGTH:  3,387 km 2001 THROUGHPUT: 2.2 Bcf/d (33.29% TransCanada) LENGTH:  471 km 2001 THROUGHPUT: 0.1 Bcf/d (proposed by producers) (proposed by Foothills Pipe Lines Ltd. which is 50% owned by TransCanada) (50% TransCanada) LENGTH:  572 km 2001 THROUGHPUT: 0.4 Bcf/d (40.96% TransCanada) LENGTH:  604 km 2001 THROUGHPUT: 0.9 Bcf/d (1% TransCanada directly;  16.4% indirectly through  TC PipeLines, LP) LENGTH:  369 km 2001 THROUGHPUT: 0.1 Bcf/d (100% TransCanada) LENGTH:  137 km 2001 THROUGHPUT: 0.2 Bcf/d (100% TransCanada) LENGTH:  22,500 km 2001 THROUGHPUT: 11.1 Bcf/d (100% TransCanada) LENGTH:  14,900 km 2001 THROUGHPUT: 6.7 Bcf/d (100% TransCanada) LENGTH:  180 km 2001 THROUGHPUT: 1.1 Bcf/d (10% TransCanada indirectly through TC PipeLines, LP) LENGTH:  2,010 km 2001 THROUGHPUT: 2.3 Bcf/d TRANSCANADA 10 Portland Natural Gas Transmission System 11 Great Lakes Gas Transmission Limited Partnership  8 Foothills Pipe Lines Ltd. 5 Canadian Mainline 1 Alberta System 2 TransCanada PipeLine Ventures Limited Partnership 3 Tuscarora Gas Transmission Company 6 Iroquois Gas Transmission System 9 Mackenzie Valley Extension 12 Alaska Highway Pipeline 13 Trans Québec and Maritimes Pipeline Inc. 10 Northern Border Pipeline Company 7 British Columbia System 4 TRANSMISSION OF NATURAL GAS