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Dispositions, Assets and Liabilities Held for Sale and Impairments (Tables)
12 Months Ended
Dec. 31, 2017
Dispositions, Assets and Liabilities Held for Sale
Generation & Marketing Segment
 
 
 
 
 
December 31,
 
 
2016
Assets:
 
(in millions)
Fuel
 
$
145.5

Materials and Supplies
 
49.4

Property, Plant and Equipment - Net
 
1,756.2

Other Class of Assets That Are Not Major
 
0.1

Total Assets Classified as Held for Sale on the Balance Sheet
 
$
1,951.2

 
 
 
Liabilities:
 
 
Long-term Debt
 
$
134.8

Waterford Plant Upgrade Liability
 
52.2

Asset Retirement Obligations
 
36.7

Other Classes of Liabilities That Are Not Major
 
12.2

Total Liabilities Classified as Held for Sale on the Balance Sheet
 
$
235.9

Corporate and Other
 
 
 
 
 
 
 
Years Ended December 31,
 
 
 
 
2015
 
 
 
 
 
(in millions)
 
 
Other Revenues
 
$
447.1

 
 
 
 
 
 
 
 
 
Other Operation Expense
 
321.3

 
 
 
Maintenance Expense
 
21.5

 
 
 
Depreciation and Amortization Expense
 
26.9

 
 
 
Taxes Other Than Income Taxes
 
10.6

 
 
 
Total Expenses
 
380.3

 
 
 
 
 
 
 
 
 
Other Income (Expense)
 
(16.9
)
 
 
 
 
 
 
 
 
 
Pretax Income of Discontinued Operations
 
49.9

 
 
 
Income Tax Expense
 
19.4

 
 
 
Equity Earnings of Unconsolidated Subsidiaries
 
(0.1
)
 
 
 
Income from Discontinued Operations of AEPRO
 
30.4

 
 
 
 
 
 
 
 
 
Gain on Sale of Discontinued Operations
 
240.1

 
 
 
Income Tax Expense (Benefit)
 
(13.2
)
 
 
 
Gain on Sale of Discontinued Operations, Net of Tax
 
253.3

 
 
 
 
 
 
 
 
 
Total Income on Discontinued Operations as Presented on the Statement of Income
 
$
283.7

 
 
 
AEP Texas
 
 
 
 
 
 
 
 
Years Ended December 31,
 
 
 
2016
 
2015
 
 
 
(in millions)
 
Revenue
 
$
18.2

 
$
22.4

 
 
 
 
 
 
 
Other Operation Expense
 
6.5

 
6.5

 
Maintenance Expense
 
3.4

 
4.9

 
Asset Impairment and Other Related Charges
 
72.7

 
—

 
Depreciation and Amortization Expense
 
9.8

 
11.5

 
Taxes Other Than Income Taxes
 
1.3

 
1.3

 
Total Expenses
 
93.7

 
24.2

 
 
 
 
 
 
 
Other Income (Expense)
 
(0.8
)
 
(1.3
)
 
 
 
 
 
 
 
Pretax Income of Discontinued Operations
 
(76.3
)
 
(3.1
)
 
Income Tax Expense
 
(27.5
)
 
(1.7
)
 
Total Income on Discontinued Operations as Presented on the Statements of Income
 
$
(48.8
)
 
$
(1.4
)
 
Impaired Assets
Impaired Assets
 
Book Value
 
Fair Value
 
Impairment
 
 
(in millions)
Merchant Coal-Fired Generation Assets
 
$
2,139.4

 
$
—

 
$
2,139.4

Trent and Desert Sky Wind Farms
 
118.7

 
46.0

 
72.7

Coal Reserves (a)
 
56.6

 
3.8

 
52.8

Total
 
$
2,314.7

 
$
49.8

 
$
2,264.9


(a)
Includes the $11 million book value of I&M’s Price River Coal Reserves which were fully impaired. This $11 million impairment is reflected in the Vertically Integrated Utilities Segment.