v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Assets    
Property, plant and equipment, at cost $ 18,362,682 $ 17,690,717
Less: accumulated depreciation 3,616,425 3,427,035
Net property, plant and equipment 14,746,257 14,263,682
Current assets:    
Cash and cash equivalents 8,634 34,778
Accounts receivable, net 207,802 217,191
Unbilled revenues 97,741 167,085
Inventory - materials and supplies 55,838 51,767
Inventory - gas stored 39,875 60,686
Prepayments and other current assets 33,504 59,110
Regulatory assets 21,915 19,779
Total current assets 465,309 610,396
Regulatory assets 2,226,549 2,089,669
Deferred charges and other assets, net 126,931 122,217
Funds restricted for construction activity 1,456 1,445
Goodwill 2,349,025 2,348,559
Operating lease right-of-use assets 23,667 25,923
Intangible assets 2,793 2,954
Total assets 19,941,987 19,464,845
Stockholders' equity:    
Common stock at $0.50 par value, authorized 600,000,000 shares, issued 287,261,673 and 286,505,895 as of June 30, 2026 and December 31, 2025 143,631 143,253
Capital in excess of par value 4,551,801 4,524,517
Retained earnings 2,416,322 2,280,669
Treasury stock, at cost, 3,488,132 and 3,423,086 shares as of June 30, 2026 and December 31, 2025 (93,498) (90,983)
Total stockholders' equity 7,018,256 6,857,456
Long-term debt, excluding current portion 8,473,855 8,160,026
Less: debt issuance costs and unamortized discount on debt 52,657 49,859
Long-term debt, excluding current portion, net of debt issuance costs and unamortized discount on debt 8,421,198 8,110,167
Commitments and contingencies (See Note 15)
Current liabilities:    
Current portion of long-term debt 42,312 21,822
Loans payable 41,000 150,139
Accounts payable 198,930 276,080
Book overdraft 14,899 25,494
Accrued interest 89,699 82,466
Accrued taxes 27,048 28,688
Regulatory liabilities 16,486 11,202
Other accrued liabilities 168,615 168,592
Total current liabilities 598,989 764,483
Deferred credits and other liabilities:    
Deferred income taxes and investment tax credits 2,241,349 2,090,120
Customers' advances for construction 118,410 115,465
Regulatory liabilities 709,394 703,285
Operating lease liabilities 18,743 21,608
Pension and other postretirement benefit liabilities 14,900 15,241
Other 71,631 60,814
Total deferred credits and other liabilities 3,174,427 3,006,533
Contributions in aid of construction 729,117 726,206
Total liabilities and equity $ 19,941,987 $ 19,464,845