RELATED PARTY TRANSACTIONS (Tables)

6 Months Ended

Jun. 30, 2012

RELATED PARTY TRANSACTIONS

Schedule of costs charged by related party

	Three months ended				Six months ended
(unaudited)	June 30,				June 30,
(millions of dollars)	2012		2011		2012		2011
Capital and operating costs charged by TransCanada’s subsidiaries to:
Great Lakes (a)		8		7		16		15
Northern Border (a)		7		7		15		14
GTN (a) (b)		7		6		14		6
Bison (a) (b)		1		2		3		2
North Baja		1		1		2		2
Tuscarora		1		1		2		2
Impact on the Partnership’s net income:
Great Lakes		3		3		7		7
Northern Border		3		4		7		7
GTN (b)		2		1		3		1
Bison (b)		-		-		1		-
North Baja		1		1		2		2
Tuscarora		1		1		2		2

(a)   Represents 100 percent of the costs.

(b)   25 percent interests in each of GTN and Bison were acquired in May 2011.

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

(unaudited)	June 30,		December 31,
(millions of dollars)	2012		2011
Amount payable to TransCanada's subsidiaries for costs charged in the year by:
Great Lakes(a)		3		3
Northern Border(a)		3		3
GTN(a)		3		3
Bison(a)		1		1
North Baja		-		1
Tuscarora		-		1

(a)   Represents 100 percent of the costs.