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v3.19.3.a.u2

Consolidated Statements of Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Revenues: |  |  |
Total | $ 919,503 | $ 916,447 | $ 849,350
Operating Expenses |  |  |
Production Fuel – Electric | 59,256 | 66,815 | 59,690
Electric Operation and Maintenance Expenses | 153,529 | 155,534 | 146,914
Cost of Products Sold (depreciation included below) | 355,119 | 354,559 | 316,562
Other Nonelectric Expenses | 50,782 | 51,544 | 41,492
Depreciation and Amortization | 78,086 | 74,666 | 72,545
Property Taxes – Electric | 15,785 | 15,585 | 15,053
Total Operating Expenses | 784,623 | 787,058 | 717,063
Operating Income | 134,880 | 129,389 | 132,287
Interest Charges | 31,411 | 30,408 | 29,604
Nonservice Cost Components of Postretirement Benefits | 4,293 | 5,509 | 5,620
Other Income | 5,112 | 3,461 | 2,632
Income Before Income Taxes | 104,288 | 96,933 | 99,695
Income Tax Expense | 17,441 | 14,588 | 27,256
Net Income | $ 86,847 | $ 82,345 | $ 72,439
Average Number of Common Shares Outstanding–Basic (in shares) | 39,720,847 | 39,599,944 | 39,457,261
Average Number of Common Shares Outstanding–Diluted (in shares) | 39,953,826 | 39,892,196 | 39,748,347
Basic Earnings Per Common Share (in dollars per share) | $ 2.19 | $ 2.08 | $ 1.84
Diluted Earnings Per Common Share (in dollars per share) | $ 2.17 | $ 2.06 | $ 1.82
Electricity [Member] |  |  |
Operating Revenues: |  |  |
Revenues from Contracts with Customers | $ 458,016 | $ 450,637 | $ 436,477
Changes in Accrued Revenues under Alternative Revenue Programs | 1,032 | (439) | (1,971)
Total Electric | 459,048 | 450,198 | 434,506
Product [Member] |  |  |
Operating Revenues: |  |  |
Revenues from Contracts with Customers | 460,455 | 466,249 | 414,844
Electricity, Purchased [Member] |  |  |
Operating Expenses |  |  |
Purchased Power – Electric System Use | $ 72,066 | $ 68,355 | $ 64,807

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