v3.20.1

Consolidated Condensed Statements of Operations (Unaudited) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Operating revenues: |  |  |
Commodity revenue |  | $ 1,943 | $ 2,538
Mark-to-market gain |  | 345 | 56
Other revenue |  | 4 | 5
Operating revenues | [1] | 2,292 | 2,599
Operating expenses: |  |  |
Commodity expense |  | 1,347 | 1,758
Mark-to-market loss |  | 144 | 10
Fuel and purchased energy expense |  | 1,491 | 1,768
Operating and maintenance expense |  | 240 | 239
Depreciation and amortization expense |  | 164 | 174
General and other administrative expense |  | 31 | 32
Other operating expenses |  | 17 | 34
Total operating expenses |  | 1,943 | 2,247
(Income) from unconsolidated subsidiaries |  | 0 | (6)
Income from operations |  | 349 | 358
Interest expense |  | 169 | 149
Gain on extinguishment of debt |  | 0 | (4)
Other (income) expense, net |  | 4 | 23
Income before income taxes |  | 176 | 190
Income tax expense |  | 46 | 10
Net income (loss) |  | 130 | 180
Net income attributable to the noncontrolling interest |  | (2) | (5)
Net income attributable to Calpine |  | $ 128 | $ 175
[1] | Includes intersegment revenues of $119 million and $162 million in the West, $218 million and $211 million in Texas, $175 million and $137 million in the East and $1 million and $3 million in Retail for the three months ended March 31, 2020 and 2019, respectively.

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