RELATED PARTY TRANSACTIONS (Tables)

9 Months Ended

Sep. 30, 2015

RELATED PARTY TRANSACTIONS

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

	Three months ended		Nine months ended
(unaudited)	September 30,		September 30,
(millions of dollars)	2015	2014	2015	2014
Capital and operating costs charged by TransCanada’s subsidiaries to:
Great Lakes (a)	7	7	21	22
Northern Border (a)	10	9	26	26
GTN (a)	8	8	22	21
Bison (a)	1	2	3	4
North Baja	1	1	4	3
Tuscarora	1	1	3	3
Impact on the Partnership’s net income:
Great Lakes	3	3	9	10
Northern Border	3	4	10	11
GTN (b)	6	5	17	14
Bison(c)	1	1	3	3
North Baja	1	1	4	3
Tuscarora	1	1	3	3

(a) Represents 100 percent of the costs.

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

(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)	September 30, 2015	December 31, 2014
Amount payable to TransCanada’s subsidiaries for costs charged in the period by:
Great Lakes (a)	5	9
Northern Border (a)	7	10
GTN	5	10
Bison	1	2
North Baja	1	1
Tuscarora	1	1

(a) Represents 100 percent of the costs.