CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
CURRENT ASSETS
Cash and cash equivalents	$ 13.2	$ 94.3
Accounts receivable, less reserve of $1.7 and $1.7, respectively	226.6	174.7
Accrued unbilled revenues	87.6	62.6
Income taxes receivable	12.6	9.9
Fuel inventories	43.6	57.6
Materials and supplies, at average cost	93.5	126.7
Fuel clause under recoveries	48.7	2.0
Other	23.3	29.5
Total current assets	549.1	557.3
OTHER PROPERTY AND INVESTMENTS
Investment in unconsolidated affiliates	1,175.9	1,177.5
Other	83.2	73.4
Total other property and investments	1,259.1	1,250.9
PROPERTY, PLANT AND EQUIPMENT
In service	12,662.1	11,994.8
Construction work in progress	125.2	376.4
Total property, plant and equipment	12,787.3	12,371.2
Less: accumulated depreciation	3,826.1	3,727.4
Net property, plant and equipment	8,961.2	8,643.8
DEFERRED CHARGES AND OTHER ASSETS
Regulatory assets	304.7	285.8
Other	9.6	10.8
Total deferred charges and other assets	314.3	296.6
TOTAL ASSETS	11,083.7	10,748.6
CURRENT LIABILITIES
Short-term debt	168.8	0.0
Accounts payable	159.0	239.3
Dividends payable	77.6	72.9
Customer deposits	82.7	83.6
Accrued taxes	60.7	44.0
Accrued interest	35.7	44.5
Accrued compensation	33.9	47.8
Long-term debt due within one year	0.0	250.0
Fuel clause over recoveries	2.2	0.3
Other	76.0	87.0
Total current liabilities	696.6	869.4
LONG-TERM DEBT	3,194.7	2,896.9
DEFERRED CREDITS AND OTHER LIABILITIES
Accrued benefit obligations	205.6	225.7
Deferred income taxes	1,362.1	1,310.9
Deferred investment tax credits	7.1	7.2
Regulatory liabilities	1,233.3	1,270.7
Other	198.1	162.7
Total deferred credits and other liabilities	3,006.2	2,977.2
Total liabilities	6,897.5	6,743.5
COMMITMENTS AND CONTINGENCIES (NOTE 14)
STOCKHOLDERS' EQUITY
Common stockholders' equity	1,128.3	1,127.7
Retained earnings	3,078.3	2,906.3
Accumulated other comprehensive loss, net of tax	(20.4)	(28.9)
Total stockholders' equity	4,186.2	4,005.1
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 11,083.7	$ 10,748.6