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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 8,921 $ 6,356
Restricted cash and equivalents 4,889 4,383
Accounts receivable, net 321,652 265,961
Materials, supplies and fuel 150,979 117,400
Derivative assets, current 4,373 1,848
Income tax receivable, net 18,017 19,446
Regulatory assets, current 270,290 51,676
Other current assets 29,012 26,221
Total current assets 808,133 493,291
Property, plant and equipment 7,856,573 7,305,530
Less accumulated depreciation and depletion (1,407,397) (1,285,816)
Total property, plant and equipment, net 6,449,176 6,019,714
Other assets:    
Goodwill 1,299,454 1,299,454
Intangible assets, net 10,770 11,944
Regulatory assets, non-current 526,309 226,582
Other assets, non-current 38,054 37,801
Total other assets, non-current 1,874,587 1,575,781
TOTAL ASSETS 9,131,896 8,088,786
Current liabilities:    
Accounts payable 217,761 183,340
Accrued liabilities 244,759 243,612
Derivative liabilities, current 1,439 2,044
Regulatory liabilities, current 17,574 25,061
Notes payable 420,180 234,040
Current maturities of long-term debt 0 8,436
Total current liabilities 901,713 696,533
Long-term debt, net of current maturities 4,126,923 3,528,100
Deferred credits and other liabilities:    
Deferred income tax liabilities, net 465,388 408,624
Regulatory liabilities, non-current 485,377 507,659
Benefit plan liabilities 123,925 150,556
Other deferred credits and other liabilities 141,447 134,667
Total deferred credits and other liabilities 1,216,137 1,201,506
Commitments, contingencies and guarantees (Note 3)
Stockholders’ equity -    
Common stock $1.00 par value; 100,000,000 shares authorized; issued: 64,793,095 and 62,827,179, respectively 64,793 62,827
Additional paid-in capital 1,783,436 1,657,285
Retained earnings 962,458 870,738
Treasury stock at cost - 54,078 and 32,492, respectively (3,509) (2,119)
Accumulated other comprehensive income (loss) (20,084) (27,346)
Total stockholders’ equity 2,787,094 2,561,385
Non-controlling interest 100,029 101,262
Total equity 2,887,123 2,662,647
TOTAL LIABILITIES AND TOTAL EQUITY $ 9,131,896 $ 8,088,786