CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 2.2	$ 1.4
Accounts receivable, net	75.1	63.2
Accrued unbilled revenues	56.2	60.0
Other receivables	6.8	15.1
Public Utilities, Inventory	17.1	17.8
Regulatory assets	22.6	23.1
Prepaid taxes	30.2	23.6
Prepayments	3.3	3.5
Total current assets	213.5	207.7
Property, Plant and Equipment, Net	2,241.6	2,088.7
Other assets
Regulatory assets	285.5	282.2
Other investments	2.7	2.9
Other	0.2	0.2
Total other assets	288.4	285.3
Total assets	2,743.5	2,581.7
Current liabilities
Current portion of long-term debt	0.0	151.1
Short-term debt	51.0	11.0
Notes payable to affiliates	0.6	0.5
Accounts payable	56.8	58.3
Accounts payable to affiliates	20.0	29.6
Dividends payable to parent	17.4	15.5
Regulatory liabilities	20.9	20.7
Environmental liabilities	10.9	10.5
Accrued interest	8.8	8.0
Other	17.8	34.5
Total current liabilities	204.2	339.7
Deferred credits and other liabilities
Deferred income taxes	280.7	256.7
Deferred investment tax credits	7.0	7.5
Regulatory liabilities	400.1	386.8
Environmental liabilities	18.0	19.2
Customer advances	16.8	16.3
Pension and employee benefit obligations	44.5	50.0
Other	22.3	18.8
Total deferred credits and other liabilities	789.4	755.3
Commitments and contingencies
Capitalization
Long-term debt	807.5	610.1
Common stock — 1,000,000 shares authorized of $100 par value; 933,000 shares outstanding at Dec. 31, 2018 and 2017, respectively	93.3	93.3
Additional paid in capital	510.1	449.4
Retained earnings	339.0	334.0
Accumulated other comprehensive loss	0.0	(0.1)
Total common stockholder’s equity	942.4	876.6
Total liabilities and equity	$ 2,743.5	$ 2,581.7