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Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Revenue |  |
Total revenue | $ 1,624,921 | $ 1,648,463
Expenses |  |
Expenses | 471,989 | 472,466
Administrative expenses | 56,802 | 52,710
Depreciation and amortization | 284,304 | 260,772
Loss (gain) on foreign exchange | 3,146 | (58)
Costs and Expenses, Total | 1,259,545 | 1,270,028
Operating income | 365,376 | 378,435
Interest expense on long-term debt and others | (181,488) | (152,118)
Income (loss) from long-term investments (note 8) | (399,092) | 84,818
Other losses | (44,026) | (8,402)
Other net losses (note 19) | 15,085 | 2,725
Gain (loss) on derivative financial instruments (note 24(b)(iv)) | (16,113) | 636
Nonoperating Income (Expense) | 189,691 | (245,974)
Earnings before income taxes | 555,067 | 132,461
Income tax expense (note 18) |  |
Current | (16,431) | (11,347)
Deferred | (53,686) | (42,025)
Income tax expense | (70,117) | (53,372)
Net earnings | 484,950 | 79,089
Net effect of non-controlling interests | 62,416 | 108,521
Net effect of non-controlling interests held by related party | (16,482) | (2,622)
Net Income (Loss) Attributable To Noncontrolling Interest, Net Of Related Party | 45,934 | 105,899
Net earnings attributable to shareholders of Algonquin Power & Utilities Corp. | 530,884 | 184,988
Series A and D Preferred shares dividend (note 15) | 8,486 | 8,027
Net earnings attributable to common shareholders of Algonquin Power & Utilities Corp. | $ 522,398 | $ 176,961
Basic net earnings per share (USD per share) | $ 1.05 | $ 0.38
Diluted net earnings per share (USD per share) | $ 1.04 | $ 0.38
Regulated electricity distribution |  |
Revenue |  |
Total revenue | $ 784,396 | $ 831,196
Expenses |  |
Expenses | 247,417 | 265,166
Regulated gas distribution |  |
Revenue |  |
Total revenue | 439,153 | 431,453
Expenses |  |
Expenses | 170,487 | 183,012
Regulated water reclamation and distribution |  |
Revenue |  |
Total revenue | 130,488 | 128,437
Expenses |  |
Expenses | 8,142 | 8,796
Non-regulated energy sales |  |
Revenue |  |
Total revenue | 246,601 | 235,359
Expenses |  |
Expenses | 17,258 | 27,164
Other revenue |  |
Revenue |  |
Total revenue | $ 24,283 | $ 22,018

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