11. Property, plant and equipment
Gathering, Treatment
Vehicles, Equipment
Transmission
and
Computer Construction
(millions)
Distribution and Storage Compression and Other
Hardware
in Progress
Total
COST Balance, January 1, 2015 $ 1,203
$ 1,157
$ 309
$ 153
$ 18
$ 41
$ 2,881
Additions Disposals Impairment
148
49
49
12
1
268
527
(5) (3)
(13)
(1) (3)
(3)
(2)
– –
(24)
–
–
– –
(6)
Transfers
7
(4)
4
(7)
(259)
(259)
Balance, March 31, 2016
1,350
1,189
358
155
17
50
3,119
Additions Disposals Impairment
87
63
19
9
3
187
368
(4) (3)
(14) (21)
(8) (5)
(4)
(1)
(3)
(34) (29)
– –
– –
–
Transfers
–
–
–
(183)
(183)
Balance, March 31, 2017
1,430
1,217
364
160
19
51
3,241
ACCUMULATED DEPRECIATION Balance, January 1, 2015
373
378
130
72 10
14
– – – – – – –
967 103
Depreciation
36
39
15
3
Disposals
(5)
(11)
–
(3)
(2)
(21)
Balance, March 31, 2016
404
406
145
79
15
1,049
Depreciation
32
34
13
8
2
89
Disposals
(4)
(11)
(6)
(4)
(1)
(26)
Balance, March 31, 2017
432
429
152
83
16
1,112
CARRYING AMOUNTS Balance, March 31, 2016 $ 946
$ 783
$ 213
$ 76
$
2
$ 50
$ 2,070
Balance, March 31, 2017 $ 998
$ 788
$ 212
$ 77
$
3
$ 51
$ 2,129
Included within the Corporation’s carrying amount for property, plant and equipment is $100 million related to decommissioning assets. The annualized composite rate of depreciation was 2.8% during the period (2016 – 2.8%)
64
Consolidated Financial Statements
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