v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
CURRENT ASSETS:    
Cash and cash equivalents $ 69.9 $ 82.9
Accounts Receivable, after Allowance for Credit Loss, Current 166.1 161.1
Inventories 68.0 70.3
Taxes applicable to subsequent years 112.8 150.4
Regulatory assets, current 53.8 61.1
Income Taxes Receivable, Current 23.6 24.2
Prepayments and other current assets 10.2 9.1
Total current assets 504.4 559.1
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization 2,950.5 2,885.8
Assets, Total 3,773.5 3,781.0
Current liabilities:    
Current portion of long-term debt 30.2 0.2
Accounts payable 126.6 144.0
Accrued taxes 152.0 145.7
Accrued interest 22.7 19.6
Contract with Customer, Liability, Current 16.9 8.8
Regulatory liabilities, current 1.2 1.8
Other current liabilities 51.7 57.4
Total current liabilities 401.3 377.5
Non-current liabilities:    
Long-term debt 1,798.6 1,798.1
Deferred Tax Liabilities, Net 245.0 233.0
Taxes payable 75.6 150.9
Regulatory liabilities, non-current 191.7 189.5
Pension, retiree and other benefits 9.4 16.5
Other deferred credits 7.3 7.9
Total non-current liabilities 2,327.6 2,395.9
Commitments and contingencies
Redeemable Noncontrolling Interest, Equity, Carrying Amount 605.2 594.7
Common shareholder's equity:    
Other paid-in capital 3,049.3 3,049.3
Accumulated other comprehensive income 15.5 15.7
Retained Earnings (Accumulated Deficit) (2,625.4) (2,652.1)
Total liabilities and shareholder's equity 3,773.5 3,781.0
Liabilities 2,728.9 2,773.4
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization (669.2) (647.3)
Regulatory assets, non-current 128.2 137.4
Intangible assets, net of amortization 166.8 166.9
Accounts Receivable, Allowance for Credit Loss, Current 11.9  
Assets, Noncurrent 3,269.1 3,221.9
Other Assets, Noncurrent 23.6 31.8
Subsidiaries [Member]    
CURRENT ASSETS:    
Assets, Total $ 3,717.3 $ 3,730.8