RELATED PARTY TRANSACTIONS (Tables)

6 Months Ended

Jun. 30, 2015

RELATED PARTY TRANSACTIONS

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

	Three months ended		Six months ended
(unaudited)	June 30,		June 30,
(millions of dollars)	2015	2014	2015	2014
Capital and operating costs charged by TransCanada’s subsidiaries to:
Great Lakes (a)	8	8	14	15
Northern Border (a)	9	10	16	17
GTN (a)	8	7	14	13
Bison (a)	1	1	2	3
North Baja	2	1	3	2
Tuscarora	1	1	2	2
Impact on the Partnership’s net income:
Great Lakes	3	4	6	7
Northern Border	4	4	7	7
GTN (b)	7	5	11	9
Bison(c)	1	1	2	2
North Baja	1	1	2	2
Tuscarora	1	1	2	2

(a) Represents 100 percent of the costs.

(b) In April 2015, the Partnership acquired the remaining 30 percent interest in GTN. See discussion in Note 6.

(c) In October 2014, the Partnership acquired the remaining 30 percent interest in Bison.

Summary of amount payable to related party for costs charged

(unaudited)
(millions of dollars)	June 30, 2015	December 31, 2014
Amount payable to TransCanada’s subsidiaries for costs charged in the period by:
GTN	6	10
Northern Border (a)	6	10
Bison	1	2
Great Lakes (a)	6	9
North Baja	1	1
Tuscarora	1	1

(a) Represents 100 percent of the costs.