RELATED PARTY TRANSACTIONS (Tables)

6 Months Ended

Jun. 30, 2011

RELATED PARTY TRANSACTIONS

Schedule of costs charged by related party

(unaudited)	Three months ended June 30,				Six months ended June 30,
(millions of dollars)	2011		2010		2011		2010
Capital and operating costs charged by TransCanada's subsidiaries to:
Great Lakes		7.2		8.2		15.0		15.8
Northern Border		7.5		7.7		14.2		14.6
GTN(a)		5.8		-		5.8		-
Bison(a)		2.0		-		2.0		-
North Baja		0.9		0.7		1.8		1.4
Tuscarora		1.1		0.9		2.0		1.9
Impact on the Partnership's net income:
Great Lakes		3.3		3.5		6.8		6.9
Northern Border		3.4		3.4		6.6		6.6
GTN(a)		5.5		-		5.5		-
Bison(a)		0.8		-		0.8		-
North Baja		0.9		0.7		1.6		1.4
Tuscarora		1.1		0.9		2.0		1.8

(a) Represents operations from May 3, 2011, date of acquisition, to June 30, 2011.

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

(unaudited)	June 30,	December 31,
(millions of dollars)	2011	2010
Amount payable to TransCanada's subsidiaries for costs charged in the period by:
Great Lakes	2.9	3.0
Northern Border	2.6	2.2
GTN(a)	0.4	-
Bison(a)	1.2	-
North Baja	0.4	0.6
Tuscarora	0.6	0.7

(a) Represents operations from May 3, 2011, date of acquisition, to June 30, 2011.