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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
CURRENT ASSETS |  |
Cash and cash equivalents | $ 0.0 | $ 75.2
Accounts receivable, less reserve of $2.0 and $1.4, respectively | 224.3 | 173.1
Accounts receivable - unconsolidated affiliates | 2.4 | 1.7
Accrued unbilled revenues | 71.0 | 53.5
Income taxes receivable | 17.7 | 17.2
Fuel inventories | 87.6 | 113.8
Materials and supplies, at average cost | 75.4 | 80.1
Fuel clause under recoveries | 0.5 | 0.0
Other | 68.2 | 55.6
Total current assets | 547.1 | 570.2
OTHER PROPERTY AND INVESTMENTS |  |
Investment in unconsolidated affiliates | 1,168.0 | 1,194.4
Other | 72.0 | 70.7
Total other property and investments | 1,240.0 | 1,265.1
PROPERTY, PLANT AND EQUIPMENT |  |
In service | 10,599.6 | 10,318.3
Construction work in progress | 365.8 | 278.5
Total property, plant and equipment | 10,965.4 | 10,596.8
Less accumulated depreciation | 3,431.1 | 3,274.4
Net property, plant and equipment | 7,534.3 | 7,322.4
DEFERRED CHARGES AND OTHER ASSETS |  |
Regulatory assets | 404.8 | 402.2
Other | 57.8 | 20.7
Total deferred charges and other assets | 462.6 | 422.9
TOTAL ASSETS | 9,784.0 | 9,580.6
CURRENT LIABILITIES |  |
Short-term debt | 213.2 | 0.0
Accounts payable | 129.4 | 262.5
Dividends payable | 60.4 | 54.9
Customer deposits | 77.4 | 77.0
Accrued taxes | 58.7 | 45.9
Accrued interest | 33.0 | 42.9
Accrued compensation | 34.1 | 54.4
Long-term debt due within one year | 124.9 | 110.0
Fuel clause over recoveries | 1.4 | 61.3
Other | 62.8 | 43.9
Total current liabilities | 795.3 | 752.8
LONG-TERM DEBT | 2,505.2 | 2,628.8
DEFERRED CREDITS AND OTHER LIABILITIES |  |
Accrued benefit obligations | 280.2 | 299.9
Deferred income taxes | 2,314.5 | 2,178.2
Regulatory liabilities | 292.0 | 273.6
Other | 151.6 | 121.3
Total deferred credits and other liabilities | 3,038.3 | 2,873.0
Total liabilities | 6,338.8 | 6,254.6
COMMITMENTS AND CONTINGENCIES (NOTE 12) |  |
STOCKHOLDERS' EQUITY |  |
Common stockholders' equity | 1,104.4 | 1,101.3
Retained earnings | 2,369.8 | 2,259.8
Accumulated other comprehensive loss, net of tax | (29.0) | (35.1)
Total stockholders' equity | 3,445.2 | 3,326.0
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | $ 9,784.0 | $ 9,580.6

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