Notes to the Consolidated Financial Statements
20. NATURAL GAS SALES AND PURCHASES
2020
2019
Asset Optimization Total
Asset Optimization Total
(millions)
Commodity
Commodity
NATURAL GAS SALES Natural gas sales to commodity customers Realized on natural gas derivative instruments Change in fair value of natural gas derivative instruments NATURAL GAS PURCHASES Realized on natural gas derivative instruments Change in fair value of natural gas derivative instruments Change in revaluation of natural gas in storage to net realizable value
- $
165
$
165 $
$
228 $
-
$
228
-
144
144
-
224
224
-
(1)
(1)
-
(4)
(4)
165
143
308
228
220
448
(142)
(142)
(284)
(183)
(213)
(396)
6
(35)
(29)
(18)
17
35
-
7
7
-
19
19
(136)
(170)
(306)
(148)
(212)
(360)
(27) $
2
$
29 $
$
80 $
8 $
88
21. DELIVERY REVENUE
(millions)
2020
2019
$
120 158
Basic monthly charge
$
119 164
Delivery revenue
6
Other
6
$
284
$
289
22. TRANSPORTATION AND STORAGE REVENUE
(millions)
2020
2019
Transportation Firm Interruptible
$
171
$
143
7
9 1
-
Other
178
153
9
Storage
10
$
187
$
163
p.80
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