v3.26.1
Condensed Consolidated Balance Sheets - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Current liabilities:    
Current portion of long-term debt $ 30.2 $ 0.2
Accounts payable 125.6 144.1
Accrued taxes 152.7 145.5
Accrued interest 14.5 15.5
Contract with Customer, Liability, Current 16.9 8.8
Regulatory liabilities, current 1.2 1.8
Other current liabilities 48.0 53.1
Total current liabilities 389.1 369.0
Non-current liabilities:    
Long-term debt 1,385.0 1,384.6
Deferred Tax Liabilities, Net 245.1 233.3
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 3.8 4.4
Total non-current liabilities $ 1,910.6 $ 1,979.2
Par value common shares (in USD per share) $ 0.01 $ 0.01
Shares, Issued   41,172,173
Common shareholder's equity:    
Common stock $ 0.4 $ 0.4
Other paid-in capital 1,356.1 1,356.2
Accumulated other comprehensive income (21.9) (22.3)
Retained Earnings (Accumulated Deficit) 83.0 48.3
Equity, Attributable to Parent 1,417.6 1,382.6
Total liabilities and shareholder's equity $ 3,717.3 $ 3,730.8
Common Stock, Shares, Outstanding 41,172,173 41,172,173
Common Stock, Shares Authorized 50,000,000 50,000,000
Common stock, shares issued 41,172,173  
Liabilities $ 2,299.7 $ 2,348.2
Assets, Current 475.1 536.2
Cash and Cash Equivalent 41.4 60.7
Accounts Receivable, after Allowance for Credit Loss, Current 166.1 160.7
Inventories 66.8 69.2
Taxes Applicable to Subsequent Years 112.8 150.4
Regulatory Asset, Current 53.8 61.1
Income Taxes Receivable, Current 23.7 24.2
Other Assets, Current 10.5 9.9
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization 2,924.4 2,859.4
Regulatory Asset, Noncurrent 128.2 137.4
Intangible Asset, Excluding Goodwill, after Accumulated Amortization 165.6 165.6
Other Assets, Noncurrent 24.0 32.2
Assets, Noncurrent 3,242.2 3,194.6
Total assets 3,717.3 3,730.8
Accounts Receivable, Allowance for Credit Loss, Current 11.9  
Accounts Receivable, Allowance for Credit Loss (11.9) (8.8)
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization $ (1,189.8) $ (1,172.4)