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v3.22.0.1

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenues |  |  |
Total revenues | $ 2,850,379 | $ 2,579,775 | $ 2,873,948
Expenses |  |  |
Total expenses | 2,464,313 | 2,268,282 | 2,525,927
Operating income (loss) |  |  |
Operating income | 386,066 | 311,493 | 348,021
Retirement defined benefits credit (expense)—other than service costs | 5,848 | (3,210) | (2,806)
Interest expense, net – other than on deposit liabilities and other bank borrowings | (94,363) | (88,694) | (90,899)
Allowance for borrowed funds used during construction | 3,250 | 2,992 | 4,453
Allowance for equity funds used during construction | 9,534 | 8,768 | 11,987
Gain on sale of investment securities, net | 528 | 9,275 | 653
Income before income taxes | 310,863 | 240,624 | 271,409
Income taxes | 62,807 | 40,910 | 51,637
Net income (loss) | 248,056 | 199,714 | 219,772
Preferred stock dividends of subsidiaries | 1,890 | 1,890 | 1,890
Net income for common stock | $ 246,166 | $ 197,824 | $ 217,882
Basic earnings per common share (in dollars per share) | $ 2.25 | $ 1.81 | $ 2.00
Diluted earnings per common share (in dollars per share) | $ 2.25 | $ 1.81 | $ 1.99
Weighted-average number of common shares outstanding (in shares) | 109,282 | 109,140 | 108,949
Net effect of potentially dilutive shares (in shares) | 298 | 216 | 458
Weighted-average shares assuming dilution (in shares) | 109,580 | 109,356 | 109,407
Electric utility |  |  |
Revenues |  |  |
Total revenues | $ 2,539,636 | $ 2,265,320 | $ 2,545,942
Expenses |  |  |
Total expenses | 2,260,078 | 1,996,770 | 2,291,564
Operating income (loss) |  |  |
Operating income | 279,558 | 268,550 | 254,378
Income before income taxes | 223,785 | 211,753 | 197,140
Income taxes | 44,148 | 40,418 | 38,305
Net income (loss) | 179,637 | 171,335 | 158,835
Preferred stock dividends of subsidiaries | 1,995 | 1,995 | 1,995
Net income for common stock | 177,642 | 169,340 | 156,840
Bank |  |  |
Revenues |  |  |
Total revenues | 306,398 | 313,511 | 327,917
Expenses |  |  |
Total expenses | 178,195 | 251,702 | 217,008
Operating income (loss) |  |  |
Operating income | 128,203 | 61,809 | 110,909
Income before income taxes | 130,559 | 69,271 | 112,034
Income taxes | 29,325 | 11,688 | 23,061
Net income (loss) | 101,234 | 57,583 | 88,973
Preferred stock dividends of subsidiaries | 0 | 0 | 0
Net income for common stock | 101,234 | 57,583 | 88,973
Other |  |  |
Revenues |  |  |
Total revenues | 4,345 | 944 | 89
Expenses |  |  |
Total expenses | 26,040 | 19,810 | 17,355
Operating income (loss) |  |  |
Operating income | (21,695) | (18,866) | (17,266)
Income before income taxes | (43,481) | (40,400) | (37,765)
Income taxes | (10,666) | (11,196) | (9,729)
Net income (loss) | (32,815) | (29,204) | (28,036)
Preferred stock dividends of subsidiaries | (105) | (105) | (105)
Net income for common stock | $ (32,710) | $ (29,099) | $ (27,931)

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