RELATED PARTY TRANSACTIONS (Tables)

12 Months Ended

Dec. 31, 2011

RELATED PARTY TRANSACTIONS

Schedule of costs charged by related party

Year ended December 31 (millions of dollars)		2011	2010	2009
Capital and operating costs charged by TransCanada's subsidiaries to:
	Great Lakes	31.2	30.3	33.8
	Northern Border	28.7	25.8	25.5
	GTN(a)	22.3	–	–
	Bison(a)	7.7	–	–
	North Baja(b)	3.7	4.4	2.9
	Tuscarora	4.7	3.7	3.0
Impact on the Partnership's net income:
	Great Lakes	14.1	12.8	14.3
	Northern Border	13.4	12.5	12.3
	GTN(a)	21.2	–	–
	Bison(a)	4.3	–	–
	North Baja(b)	3.5	3.2	2.4
	Tuscarora	4.6	3.5	2.8

Schedule of amounts payable to related party for costs charged during the period

December 31 (millions of dollars)		2011	2010
Amount payable to TransCanada's subsidiaries for costs charged in the year by:
	Great Lakes	3.1	3.0
	Northern Border	2.9	2.2
	GTN(a)	3.0	–
	Bison(a)	1.0	–
	North Baja	0.5	0.6
	Tuscarora	0.6	0.7

^(a)

Represents operations from GTN and Bison from May 3, 2011, date of acquisition, to December 31, 2011.

^(b)

Recast as discussed in Notes 2 and 5.