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CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
OPERATING REVENUES | $ 3,498,682 | $ 3,495,443 | $ 3,491,632
OPERATING EXPENSES |  |  |
Fuel and purchased power | 1,075,510 | 1,101,298 | 1,179,829
Operations and maintenance | 911,319 | 868,377 | 908,025
Depreciation and amortization | 485,829 | 494,422 | 417,358
Taxes other than income taxes | 166,499 | 171,812 | 172,295
Other expenses | 3,541 | 4,932 | 2,883
Total | 2,642,698 | 2,640,841 | 2,680,390
OPERATING INCOME | 855,984 | 854,602 | 811,242
OTHER INCOME (DEDUCTIONS) |  |  |
Allowance for equity funds used during construction (Note 1) | 42,140 | 35,215 | 30,790
Other income (Note 17) | 901 | 621 | 9,608
Other expense (Note 17) | (15,337) | (17,823) | (21,746)
Total | 27,704 | 18,013 | 18,652
INTEREST EXPENSE |  |  |
Interest charges | 205,720 | 194,964 | 200,950
Allowance for borrowed funds used during construction (Note 1) | (19,970) | (16,259) | (15,457)
Total | 185,750 | 178,705 | 185,493
INCOME BEFORE INCOME TAXES | 697,938 | 693,910 | 644,401
INCOME TAXES (Note 4) | 236,411 | 237,720 | 220,705
NET INCOME | 461,527 | 456,190 | 423,696
Less: Net income attributable to noncontrolling interests (Note 18) | 19,493 | 18,933 | 26,101
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS | $ 442,034 | $ 437,257 | $ 397,595
Weighted Average common shares outstanding — basic (in shares) | 111,409 | 111,026 | 110,626
Weighted Average common shares outstanding — diluted (in shares) | 112,046 | 111,552 | 111,178
EARNINGS PER WEIGHTED-AVERAGE COMMON SHARE OUTSTANDING |  |  |
Net income attributable to common shareholders - basic (in dollars per share) | $ 3.97 | $ 3.94 | $ 3.59
Net income attributable to common shareholders — diluted (in dollars per share) | $ 3.95 | $ 3.92 | $ 3.58
ARIZONA PUBLIC SERVICE COMPANY |  |  |
ELECTRIC OPERATING REVENUES | $ 3,489,754 | $ 3,492,357 | $ 3,488,946
OPERATING EXPENSES |  |  |
Fuel and purchased power | 1,082,625 | 1,101,298 | 1,179,829
Operations and maintenance | 879,108 | 853,135 | 882,442
Depreciation and amortization | 484,909 | 494,298 | 417,264
Taxes other than income taxes | 165,779 | 171,499 | 171,583
Income taxes (Note 4) | 259,353 | 260,143 | 245,036
Total | 2,871,774 | 2,880,373 | 2,896,154
OPERATING INCOME | 617,980 | 611,984 | 592,792
OTHER INCOME (DEDUCTIONS) |  |  |
Income taxes (Note 4) | 13,511 | 14,302 | 7,676
Allowance for equity funds used during construction (Note 1) | 42,140 | 35,215 | 30,790
Other income (Note 17) | 8,607 | 2,834 | 11,295
Other expense (Note 17) | (17,514) | (19,019) | (13,403)
Total | 46,744 | 33,332 | 36,358
INTEREST EXPENSE |  |  |
Interest on long-term debt | 189,828 | 180,123 | 186,323
Interest on short-term borrowings | 7,983 | 7,376 | 6,796
Debt discount, premium and expense | 4,760 | 4,793 | 4,168
Allowance for borrowed funds used during construction (Note 1) | (19,481) | (16,183) | (15,457)
Total | 183,090 | 176,109 | 181,830
INCOME TAXES (Note 4) | 245,842 | 245,841 | 237,360
NET INCOME | 481,634 | 469,207 | 447,320
Less: Net income attributable to noncontrolling interests (Note 18) | 19,493 | 18,933 | 26,101
NET INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS | $ 462,141 | $ 450,274 | $ 421,219

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