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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Current Assets:      
Cash and Cash Equivalents $ 8.8 $ 6.0 $ 8.2
Accounts Receivable, Net 46.3 62.0 48.6
Accrued Revenue 38.6 50.9 39.1
Exchange Gas Receivable 10.5 4.9 6.5
Gas Inventory 0.9 0.6 0.6
Materials and Supplies 8.6 8.5 8.5
Prepayments and Other 7.3 6.4 5.8
Total Current Assets 121.0 139.3 117.3
Utility Plant:      
Gas 932.8 920.2 876.8
Electric 581.0 575.9 545.9
Common 64.8 64.1 63.3
Construction Work in Progress 84.8 34.8 101.0
Utility Plant 1,663.4 1,595.0 1,587.0
Less: Accumulated Depreciation 426.1 401.8 401.7
Net Utility Plant 1,237.3 1,193.2 1,185.3
Other Noncurrent Assets:      
Regulatory Assets 132.4 127.4 104.4
Operating Lease Right of Use Assets 5.1 5.2 5.6
Other Assets 13.2 12.8 11.3
Total Other Noncurrent Assets 150.7 145.4 121.3
TOTAL ASSETS 1,509.0 1,477.9 1,423.9
Current Liabilities:      
Accounts Payable 29.5 33.2 25.1
Short-Term Debt 30.5 54.7 17.3
Long-Term Debt, Current Portion 10.1 8.5 6.3
Regulatory Liabilities 13.1 5.5 10.6
Energy Supply Obligations 16.1 10.4 12.1
Interest Payable 6.7 5.0 7.2
Environmental Obligations 0.7 0.3 0.3
Other Current Liabilities 19.9 18.5 19.3
Total Current Liabilities 126.6 136.1 98.2
Noncurrent Liabilities:      
Retirement Benefit Obligations 166.2 162.3 145.0
Deferred Income Taxes, net 115.7 109.0 109.4
Cost of Removal Obligations 108.2 105.2 107.1
Regulatory Liabilities 42.9 44.3 44.7
Environmental Obligations 1.7 1.8 1.9
Other Noncurrent Liabilities 6.8 6.9 7.8
Total Noncurrent Liabilities 441.5 429.5 415.9
Capitalization:      
Long-Term Debt, Less Current Portion 501.3 523.1 529.0
Stockholders' Equity:      
Common Equity (Authorized: 25,000,000 and Outstanding: 15,971,962, 15,005,881 and 15,012,310 Shares) 331.6 285.3 284.8
Retained Earnings 107.8 103.7 95.8
Total Common Stock Equity 439.4 389.0 380.6
Preferred Stock 0.2 0.2 0.2
Total Stockholders' Equity 439.6 389.2 380.8
Total Capitalization 940.9 912.3 909.8
Commitments and Contingencies (Notes 6 & 7)    
TOTAL LIABILITIES AND CAPITALIZATION $ 1,509.0 $ 1,477.9 $ 1,423.9