10. Natural gas sales and purchases
2020 2019 For the Three Months Ended September 30,
Asset
Asset
(millions)
Commodity Optimization Total
Commodity Optimization Total
Natural gas sales Natural gas sales to commodity customers
$
9
$
-
$
9
$
10
$
-
$
10
Realized on natural gas derivative instruments
-
33
33
-
31
31
Change in fair value of natural gas derivative instruments
-
(3)
(3)
-
(2)
(2)
9
30
39
10
29
39
Natural gas purchases Realized on natural gas derivative instruments
(9)
(33)
(42)
(9)
(28)
(37)
Change in fair value of natural gas derivative instruments Change in revaluation of natural gas in storage to net realizable value
14
5
19
1
(16)
(15)
-
2
2
-
2
2
5
(26)
(21)
(8)
(42)
(50)
$
14
$
4
$
18
$
2
$
(13)
$
(11)
2019 For the Six Months Ended September 30,
2020
Asset
Asset
(millions)
Commodity Optimization Total
Commodity Optimization Total
Natural gas sales Natural gas sales to commodity customers
$
34
$
-
$
34
$
30
$
-
$
30
Realized on natural gas derivative instruments
-
70
70
-
66
66
Change in fair value of natural gas derivative instruments
-
(5)
(5)
-
3
3
34
65
99
30
69
99
Natural gas purchases Realized on natural gas derivative instruments
(33)
(74)
(107)
(27)
(59)
(86)
Change in fair value of natural gas derivative instruments Change in revaluation of natural gas in storage to net realizable value
19
10
29
-
(30)
(30)
-
6
6
-
-
-
(14)
(58)
(72)
(27)
(89)
(116)
$
20
$
7
$
27
$
3
$
(20)
$
(17)
2020-21 Second Quarter Report
30
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