RELATED PARTY TRANSACTIONS (Tables)

12 Months Ended

Dec. 31, 2014

RELATED PARTY TRANSACTIONS

Summary of capital and operating costs charged to pipeline systems by related party

Year ended December 31 (millions of dollars)		2014	2013	2012
Capital and operating costs charged by TransCanada's subsidiaries to:
	GTN(a)(b)	30	28	29
	Northern Border(a)	35	30	31
	Bison(a)(b)(c)	6	5	6
	Great Lakes(a)	30	31	33
	North Baja	5	4	4
	Tuscarora	4	4	4
Impact on the Partnership's net income attributable to controlling interests:
	GTN(b)	19	19	19
	Northern Border	16	14	14
	Bison(b)(c)	4	4	4
	Great Lakes	13	14	15
	North Baja	4	4	4
	Tuscarora	4	4	4

Summary of amount payable to related party for costs charged

December 31 (millions of dollars)		2014	2013
Amount payable to TransCanada's subsidiaries for costs charged in the year by:
	GTN(a)	10	3
	Northern Border(a)	10	3
	Bison(a)	2	–
	Great Lakes(a)	9	3
	North Baja	1	1
	Tuscarora	1	–

(a)	Represents 100 percent of the costs.
(b)	Recast as discussed in Note 2 and Note 6.
(c)	In 2014, the Partnership acquired remaining 30 percent interest in Bison. See discussion in Note 6.