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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
OPERATING REVENUES | $ 1,183,322 | $ 1,166,922 | $ 2,805,637 | $ 2,759,483
OPERATING EXPENSES |  |  |  |
Fuel and purchased power | 310,469 | 336,120 | 777,475 | 832,253
Operations and maintenance | 224,305 | 217,568 | 658,294 | 703,042
Depreciation and amortization | 133,912 | 120,428 | 387,278 | 362,977
Taxes other than income taxes | 45,169 | 41,284 | 133,294 | 125,902
Other expenses | 3,385 | 264 | 5,479 | 2,141
Total | 717,240 | 715,664 | 1,961,820 | 2,026,315
OPERATING INCOME | 466,082 | 451,258 | 843,817 | 733,168
OTHER INCOME (DEDUCTIONS) |  |  |  |
Allowance for equity funds used during construction | 12,728 | 10,194 | 32,666 | 31,079
Other income (Note 8) | 1,091 | 71 | 2,055 | 385
Other expense (Note 8) | (4,993) | (5,205) | (12,495) | (12,085)
Total | 8,826 | 5,060 | 22,226 | 19,379
INTEREST EXPENSE |  |  |  |
Interest charges | 55,644 | 51,293 | 162,477 | 154,886
Allowance for borrowed funds used during construction | (6,000) | (4,321) | (15,378) | (14,849)
Total | 49,644 | 46,972 | 147,099 | 140,037
INCOME BEFORE INCOME TAXES | 425,264 | 409,346 | 718,944 | 612,510
INCOME TAXES | 144,319 | 141,446 | 237,497 | 209,102
NET INCOME | 280,945 | 267,900 | 481,447 | 403,408
Less: Net income attributable to noncontrolling interests (Note 5) | 4,873 | 4,873 | 14,620 | 14,620
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS | $ 276,072 | $ 263,027 | $ 466,827 | $ 388,788
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING |  |  |  |
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - BASIC (in shares) | 111,835 | 111,416 | 111,787 | 111,363
WEIGHTED-AVERAGE COMMON SHARES OUTSTANDING - DILUTED (in shares) | 112,401 | 112,100 | 112,314 | 111,987
EARNINGS PER WEIGHTED-AVERAGE COMMON SHARE OUTSTANDING |  |  |  |
Net income attributable to common shareholders - basic (in dollars per share) | $ 2.47 | $ 2.36 | $ 4.18 | $ 3.49
Net income attributable to common shareholders - diluted (in dollars per share) | 2.46 | 2.35 | 4.16 | 3.47
DIVIDENDS DECLARED PER SHARE (in dollars per share) | $ 0 | $ 0 | $ 1.31 | $ 1.25
APS |  |  |  |
ELECTRIC OPERATING REVENUES | $ 1,178,106 | $ 1,166,359 | $ 2,797,590 | $ 2,752,748
OPERATING EXPENSES |  |  |  |
Fuel and purchased power | 309,045 | 339,510 | 786,041 | 835,643
Operations and maintenance | 215,264 | 209,366 | 635,769 | 681,789
Depreciation and amortization | 133,486 | 120,013 | 386,010 | 362,492
Income taxes | 153,425 | 148,945 | 257,182 | 225,239
Taxes other than income taxes | 44,833 | 40,924 | 132,281 | 125,370
Total | 856,053 | 858,758 | 2,197,283 | 2,230,533
OPERATING INCOME | 322,053 | 307,601 | 600,307 | 522,215
OTHER INCOME (DEDUCTIONS) |  |  |  |
Income taxes | 6,892 | 5,753 | 13,474 | 9,289
Allowance for equity funds used during construction | 12,728 | 10,194 | 32,666 | 31,079
Other income (Note 8) | 1,478 | 567 | 3,682 | 6,924
Other expense (Note 8) | (6,262) | (3,776) | (16,290) | (12,956)
Total | 14,836 | 12,738 | 33,532 | 34,336
INTEREST EXPENSE |  |  |  |
Interest on long-term debt | 50,429 | 46,970 | 147,909 | 142,692
Interest on short-term borrowings | 2,140 | 2,401 | 6,599 | 6,408
Debt discount, premium and expense | 1,191 | 1,196 | 3,566 | 3,529
Allowance for borrowed funds used during construction | (6,000) | (4,321) | (15,378) | (14,359)
Total | 47,760 | 46,246 | 142,696 | 138,270
NET INCOME | 289,129 | 274,093 | 491,143 | 418,281
Less: Net income attributable to noncontrolling interests (Note 5) | 4,873 | 4,873 | 14,620 | 14,620
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS | $ 284,256 | $ 269,220 | $ 476,523 | $ 403,661

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