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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Current assets:    
Cash and cash equivalents $ 21,430 $ 8,921
Restricted cash and equivalents 5,555 4,889
Accounts receivable, net 508,192 321,652
Materials, supplies and fuel 207,421 150,979
Derivative assets, current 582 4,373
Income tax receivable, net 17,637 18,017
Regulatory assets, current 260,312 270,290
Other current assets 50,579 29,012
Total current assets 1,071,708 808,133
Property, plant and equipment 8,374,790 7,856,573
Less accumulated depreciation and depletion (1,576,842) (1,407,397)
Total property, plant and equipment, net 6,797,948 6,449,176
Other assets:    
Goodwill 1,299,454 1,299,454
Intangible assets, net 9,589 10,770
Regulatory assets, non-current 392,669 526,309
Other assets, non-current 46,862 38,054
Total other assets, non-current 1,748,574 1,874,587
TOTAL ASSETS 9,618,230 9,131,896
Current liabilities:    
Accounts payable 310,020 217,761
Accrued liabilities 243,457 244,759
Derivative liabilities, current 6,600 1,439
Regulatory liabilities, current 46,013 17,574
Notes payable 535,600 420,180
Current maturities of long-term debt 525,000 0
Total current liabilities 1,666,690 901,713
Long-term debt, net of current maturities 3,607,340 4,126,923
Deferred credits and other liabilities:    
Deferred income tax liabilities, net 508,941 465,388
Regulatory liabilities, non-current 472,560 485,377
Benefit plan liabilities 116,742 123,925
Other deferred credits and other liabilities 156,062 141,447
Total deferred credits and other liabilities 1,254,305 1,216,137
Commitments, contingencies and guarantees (Note 3)
Equity:    
Common stock $1.00 par value; 100,000,000 shares authorized; issued: 66,140,396 and 64,793,095, respectively 66,140 64,793
Additional paid-in capital 1,882,653 1,783,436
Retained earnings 1,064,122 962,458
Treasury stock at cost - 36,726 and 54,078, respectively (2,435) (3,509)
Accumulated other comprehensive income (loss) (15,567) (20,084)
Total stockholders’ equity 2,994,913 2,787,094
Non-controlling interest 94,982 100,029
Total equity 3,089,895 2,887,123
TOTAL LIABILITIES AND TOTAL EQUITY $ 9,618,230 $ 9,131,896