v3.26.1
CONDENSED CONSOLIDATED BALANCE SHEETS - Southwest - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Regulated operations plant:    
Gas plant $ 11,858,821 $ 11,517,031
Less: accumulated depreciation (3,154,856) (3,063,363)
Construction work in progress 360,198 236,871
Net regulated operations plant 9,064,163 8,690,539
Other property and investments, net 181,406 178,826
Current assets:    
Cash and cash equivalents 270,518 576,645
Accounts receivable, net of allowances 118,579 170,601
Accrued utility revenue 51,800 101,600
Income taxes receivable, net 12,582 9,611
Deferred purchased gas costs 0 5,214
Materials, supplies, and gas inventories 95,642 93,823
Prepaid and other current assets 318,680 234,598
Total current assets 867,801 1,192,092
Noncurrent assets:    
Goodwill 11,155 11,155
Deferred charges and other assets 350,910 356,865
Total noncurrent assets 362,065 368,020
Total assets 10,475,435 10,429,477
Capitalization:    
Common stock 74,074 73,854
Additional paid-in capital 2,905,518 2,898,965
Accumulated other comprehensive loss, net (9,931) (34,546)
Retained earnings 1,155,629 1,022,846
Total equity 4,125,290 3,961,119
Long-term debt, less current maturities 3,409,859 3,433,012
Total capitalization 7,535,149 7,394,131
Current liabilities:    
Current maturities of long-term debt 100,000 75,000
Accounts payable 115,672 225,732
Customer deposits 66,738 67,249
Accrued general taxes 52,073 54,384
Accrued interest 34,963 35,319
Deferred purchased gas costs 286,815 310,085
Other current liabilities 121,023 117,350
Total current liabilities 777,284 929,898
Deferred income taxes and other credits:    
Deferred income taxes and investment tax credits, net 1,039,812 977,312
Accumulated removal costs 513,000 496,000
Other deferred credits and other long-term liabilities 610,190 632,136
Total deferred income taxes and other credits 2,163,002 2,105,448
Total capitalization and liabilities 10,475,435 10,429,477
Southwest Gas Corporation    
Regulated operations plant:    
Gas plant 11,858,821 11,517,031
Less: accumulated depreciation (3,154,856) (3,063,363)
Construction work in progress 360,198 236,871
Net regulated operations plant 9,064,163 8,690,539
Other property and investments, net 171,190 169,947
Current assets:    
Cash and cash equivalents 58,872 56,408
Accrued utility revenue 51,800 101,600
Income taxes receivable, net 1,015 1,007
Deferred purchased gas costs 0 5,214
Materials, supplies, and gas inventories 95,642 93,823
Prepaid and other current assets 318,145 234,003
Total current assets 644,053 768,129
Noncurrent assets:    
Goodwill 11,155 11,155
Deferred charges and other assets 348,492 354,221
Total noncurrent assets 359,647 365,376
Total assets 10,239,053 9,993,991
Capitalization:    
Common stock 49,112 49,112
Additional paid-in capital 2,317,144 2,195,489
Accumulated other comprehensive loss, net (9,931) (34,546)
Retained earnings 1,492,562 1,314,911
Total equity 3,848,887 3,524,966
Long-term debt, less current maturities 3,409,859 3,433,012
Total capitalization 7,258,746 6,957,978
Current liabilities:    
Current maturities of long-term debt 100,000 75,000
Customer deposits 66,738 67,249
Accrued general taxes 52,073 54,384
Accrued interest 34,963 35,319
Deferred purchased gas costs 286,815 310,085
Other current liabilities 121,023 117,350
Total current liabilities 777,437 884,724
Deferred income taxes and other credits:    
Deferred income taxes and investment tax credits, net 1,084,987 1,027,921
Accumulated removal costs 513,000 496,000
Other deferred credits and other long-term liabilities 604,883 627,368
Total deferred income taxes and other credits 2,202,870 2,151,289
Total capitalization and liabilities 10,239,053 9,993,991
Southwest Gas Corporation | Nonrelated Party    
Current assets:    
Accounts receivable, net of allowances 118,579 170,524
Current liabilities:    
Accounts payable 115,494 225,337
Southwest Gas Corporation | Related Party    
Current assets:    
Accounts receivable, net of allowances 0 105,550
Current liabilities:    
Accounts payable $ 331 $ 0