EX-21.1 3 j8758_ex21d1.htm EX-21.1

Exhibit 21.1

 

SUBSIDIARIES OF THE REGISTRANT

 

1.        The Registrant holds a 98.9899% limited partner interest in TC PipeLines Intermediate Limited Partnership.

 

2.        Through its interest in TC PipeLines Intermediate Limited Partnership, the Registrant holds a 30% general partner interest in Northern Border Pipeline Company.

 

3.        The Registrant holds a 98.9899% limited partner interest in TC Tuscarora Intermediate Limited Partnership.

 

4.        Through its interest in TC Tuscarora Intermediate Limited Partnership, the Registrant holds a 49% general partner interest in Tuscarora Gas Transmission Company.