Notes to the Consolidated Financial Statements
21. NATURAL GAS SALES AND PURCHASES
2021
2020
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
- $
169
$
169 $
$
165
$
-
$
165
-
117
117
-
144
144
-
(3)
(3)
-
(1)
(1)
169
114
283
165
143
308
(158)
(121)
(279)
(142)
(142)
(284)
8
10
18
(35)
(29)
6
-
7
7
-
7
7
(150)
(104)
(254)
(136)
(170)
(306)
$
19 $
10 $
29
$
29
$
(27) $
2
22. DELIVERY REVENUE
(millions)
2021
2020
$
121 159
Basic monthly charge
$
120 158
Delivery revenue
4
Other
6
$
284
$
284
23. TRANSPORTATION AND STORAGE REVENUE
(millions)
2021
2020
Transportation Firm Interruptible
$
172
$
171
4
7
176
178
10
Storage
9
$
186
$
187
p.77
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