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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Current Assets:      
Cash and Cash Equivalents $ 6.5 $ 6.5 $ 6.1
Accounts Receivable, Net 81.9 66.9 73.2
Accrued Revenue 56.3 61.2 34.7
Exchange Gas Receivable 0.7 7.4 1.2
Gas Inventory 0.5 1.0 0.4
Materials and Supplies 9.4 8.6 9.2
Prepayments and Other 7.8 8.1 7.9
Total Current Assets 163.1 159.7 132.7
Utility Plant:      
Electric 606.7 602.4 576.8
Gas 986.3 972.6 922.4
Common 66.6 66.4 64.5
Construction Work in Progress 36.5 47.5 38.3
Total Utility Plant 1,696.1 1,688.9 1,602.0
Less: Accumulated Depreciation 436.2 431.7 409.7
Net Utility Plant 1,259.9 1,257.2 1,192.3
Other Noncurrent Assets:      
Regulatory Assets 108.1 108.9 128.7
Operating Lease Right of Use Assets 4.8 4.7 5.4
Other Assets 16.4 9.8 17.9
Total Other Noncurrent Assets 129.3 123.4 152.0
TOTAL ASSETS 1,552.3 1,540.3 1,477.0
Current Liabilities:      
Accounts Payable 39.0 52.4 28.7
Short-Term Debt 64.0 64.1 37.3
Long-Term Debt, Current Portion 8.2 8.2 8.5
Regulatory Liabilities 15.6 9.5 14.7
Energy Supply Obligations 6.9 14.5 7.7
Interest Payable 6.4 4.8 6.8
Environmental Obligations 0.5 0.5 0.3
Other Current Liabilities 17.1 19.5 18.9
Total Current Liabilities 157.7 173.5 122.9
Noncurrent Liabilities:      
Retirement Benefit Obligations 136.3 133.9 164.8
Deferred Income Taxes, Net 135.0 127.7 115.4
Cost of Removal Obligations 109.8 107.5 102.5
Regulatory Liabilities 42.1 42.6 43.5
Environmental Obligations 2.2 2.2 1.8
Other Noncurrent Liabilities 7.3 6.6 7.0
Total Noncurrent Liabilities 432.7 420.5 435.0
Capitalization:      
Long-Term Debt, Less Current Portion 496.6 497.8 515.8
Stockholders' Equity:      
Common Equity (Authorized: 25,000,000 and Outstanding:16,020,047, 15,041,629 and 15,977,766 Shares) 333.7 332.1 286.3
Retained Earnings 131.4 116.2 116.8
Total Common Stock Equity 465.1 448.3 403.1
Preferred Stock 0.2 0.2 0.2
Total Stockholders' Equity 465.3 448.5 403.3
Total Capitalization 961.9 946.3 919.1
Commitments and Contingencies (Notes 6 & 7)    
TOTAL LIABILITIES AND CAPITALIZATION $ 1,552.3 $ 1,540.3 $ 1,477.0