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v3.20.2

Segmented information - Results of Operations and Assets for Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Revenue |  |  |  |  |
Revenue | $ 343,638 | $ 343,578 | $ 808,539 | $ 820,803 |
Fuel, power and water purchased | 68,099 | 76,127 | 195,200 | 233,654 |
Net revenue | 275,539 | 267,451 | 613,339 | 587,149 |
Operating expenses | 121,462 | 120,187 | 249,358 | 240,300 |
Administrative expenses | 19,361 | 13,524 | 35,033 | 26,642 |
Depreciation and amortization | 75,667 | 69,813 | 154,547 | 140,860 |
Gain (loss) on foreign exchange | (24) | 1,467 | (4,694) | 934 |
Operating income | 59,073 | 62,460 | 179,095 | 178,413 |
Interest expense | (44,818) | (45,840) | (91,066) | (88,461) |
Income from long-term investments | 334,809 | 160,662 | 172,148 | 180,134 |
Other | (29,168) | (9,141) | (33,357) | (13,194) |
Earnings before income taxes | 319,896 | 168,141 | 226,820 | 256,892 |
Property, plant and equipment | 7,142,863 |  | 7,142,863 |  | $ 7,231,664
Investments carried at fair value | 1,417,524 |  | 1,417,524 |  | 1,294,147
Equity-method investees | 119,798 |  | 119,798 |  | 83,497
Total assets | 11,188,028 |  | 11,188,028 |  | 10,911,470
Capital expenditures | 186,407 | 105,664 | 342,309 | 213,050 |
Revenue related to net hedging gains, not recognized as revenue from contract with customers | 7,447 | 5,200 | 16,739 | 11,640 |
Revenue related to alternative revenue programs, not recognized as revenue from contract with customers | 4,761 | 3,460 |  | (3,561) |
Regulated Services Group |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 279,458 | 281,607 | 675,518 | 692,631 |
Fuel, power and water purchased | 65,358 | 73,469 | 188,455 | 224,075 |
Net revenue | 214,100 | 208,138 | 487,063 | 468,556 |
Operating expenses | 105,067 | 102,021 | 213,434 | 203,996 |
Administrative expenses | 9,198 | 6,546 | 18,685 | 11,979 |
Depreciation and amortization | 52,629 | 47,034 | 105,639 | 95,451 |
Gain (loss) on foreign exchange | 0 | 0 | 0 | 0 |
Operating income | 47,206 | 52,537 | 149,305 | 157,130 |
Interest expense | (24,097) | (26,057) | (48,937) | (51,149) |
Income from long-term investments | 2,962 | 1,854 | 5,610 | 3,111 |
Other | (19,695) | (8,796) | (24,692) | (10,756) |
Earnings before income taxes | 6,376 | 19,538 | 81,286 | 98,336 |
Property, plant and equipment | 4,695,303 |  | 4,695,303 |  | 4,754,373
Investments carried at fair value | 26,650 |  | 26,650 |  | 27,072
Equity-method investees | 43,152 |  | 43,152 |  | 29,827
Total assets | 6,896,472 |  | 6,896,472 |  | 6,816,063
Capital expenditures | 157,641 | 104,758 | 297,273 | 202,173 |
Revenue related to alternative revenue programs, not recognized as revenue from contract with customers |  |  | 7,730 |  |
Renewable Energy Group |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 64,180 | 61,971 | 133,021 | 128,172 |
Fuel, power and water purchased | 2,741 | 2,658 | 6,745 | 9,579 |
Net revenue | 61,439 | 59,313 | 126,276 | 118,593 |
Operating expenses | 16,395 | 18,166 | 35,924 | 36,304 |
Administrative expenses | 8,052 | 7,335 | 14,258 | 14,889 |
Depreciation and amortization | 22,803 | 22,536 | 48,431 | 44,921 |
Gain (loss) on foreign exchange | 0 | 0 | 0 | 0 |
Operating income | 14,189 | 11,276 | 27,663 | 22,479 |
Interest expense | (13,618) | (16,237) | (28,097) | (32,444) |
Income from long-term investments | 22,551 | 37,050 | 46,345 | 60,547 |
Other | (883) | 77 | (49) | (73) |
Earnings before income taxes | 22,239 | 32,166 | 45,862 | 50,509 |
Property, plant and equipment | 2,412,441 |  | 2,412,441 |  | 2,444,382
Investments carried at fair value | 1,390,874 |  | 1,390,874 |  | 1,267,075
Equity-method investees | 76,646 |  | 76,646 |  | 53,670
Total assets | 4,167,458 |  | 4,167,458 |  | 4,014,067
Capital expenditures | 28,766 | 906 | 45,036 | 10,877 |
Corporate |  |  |  |  |
Revenue |  |  |  |  |
Revenue | 0 | 0 | 0 | 0 |
Fuel, power and water purchased | 0 | 0 | 0 | 0 |
Net revenue | 0 | 0 | 0 | 0 |
Operating expenses | 0 | 0 | 0 | 0 |
Administrative expenses | 2,111 | (357) | 2,090 | (226) |
Depreciation and amortization | 235 | 243 | 477 | 488 |
Gain (loss) on foreign exchange | (24) | 1,467 | (4,694) | 934 |
Operating income | (2,322) | (1,353) | 2,127 | (1,196) |
Interest expense | (7,103) | (3,546) | (14,032) | (4,868) |
Income from long-term investments | 309,296 | 121,758 | 120,193 | 116,476 |
Other | (8,590) | (422) | (8,616) | (2,365) |
Earnings before income taxes | 291,281 | 116,437 | 99,672 | 108,047 |
Property, plant and equipment | 35,119 |  | 35,119 |  | 32,909
Investments carried at fair value | 0 |  | 0 |  | 0
Equity-method investees | 0 |  | 0 |  | 0
Total assets | 124,098 |  | 124,098 |  | $ 81,340
Capital expenditures | $ 0 | $ 0 | $ 0 | $ 0 |

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