Organization and Summary of Significant Accounting Policies (Details) - USD ($)
$ / shares in Units, $ in Millions |
12 Months Ended |
|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Materials and Supplies |
$ 1,025.8
|
$ 915.1
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
2,927.5
|
3,072.8
|
$ 2,717.1
|
|
| Amortization of Certain Securitized Assets |
91.9
|
93.3
|
64.2
|
|
| Amortization of Regulatory Assets and Liabilities |
71.0
|
36.7
|
44.4
|
|
| Total Depreciation and Amortization |
3,090.4
|
3,202.8
|
2,825.7
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
509.4
|
|
|
|
| Restricted Cash |
48.9
|
47.1
|
|
|
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
379.0
|
556.5
|
451.4
|
$ 438.3
|
| Amounts Attributable to AEP Common Shareholders |
|
|
|
|
| Net Income (Loss) Attributable to Noncontrolling Interests |
4.5
|
(1.6)
|
0.0
|
|
| Net Income (Loss) |
$ 2,208.1
|
$ 2,307.2
|
$ 2,488.1
|
|
| Weighted Average Number of Basic AEP Common Shares Outstanding |
518,903,682
|
511,841,946
|
500,522,177
|
|
| Earnings Per Share, Basic |
$ 4.26
|
$ 4.51
|
$ 4.97
|
|
| Weighted Average Dilutive Effect of: |
|
|
|
|
| Weighted Average Number of Diluted AEP Common Shares Outstanding |
520,206,258
|
513,484,609
|
501,784,032
|
|
| Earnings Per Share, Diluted |
$ 4.24
|
$ 4.49
|
$ 4.96
|
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
$ 18,982.3
|
$ 19,639.5
|
$ 16,792.0
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
3,090.4
|
3,202.8
|
2,825.7
|
|
| TOTAL EXPENSES |
15,426.1
|
16,156.8
|
13,380.7
|
|
| OPERATING INCOME (LOSS) |
3,556.2
|
3,482.7
|
3,411.3
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
174.9
|
133.7
|
139.7
|
|
| Interest Expense |
(1,806.9)
|
(1,396.1)
|
(1,199.1)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
2,208.7
|
2,420.4
|
2,511.9
|
|
| Income Tax Expense (Benefit) |
54.6
|
5.4
|
115.5
|
|
| Net Income (Loss) |
2,212.6
|
2,305.6
|
2,488.1
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
1,029.9
|
1,145.1
|
|
|
| Total Accounts Receivable |
2,447.4
|
2,668.0
|
|
|
| Accrued Tax Benefits |
156.2
|
99.4
|
|
|
| TOTAL CURRENT ASSETS |
6,082.1
|
6,775.5
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
35,934.1
|
33,266.9
|
|
|
| Other Property, Plant and Equipment |
6,484.9
|
5,971.8
|
|
|
| Construction Work in Progress |
5,508.0
|
4,809.7
|
|
|
| Total Property, Plant and Equipment |
101,246.4
|
97,021.4
|
|
|
| Accumulated Depreciation and Amortization |
24,553.0
|
23,682.3
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
76,693.4
|
73,339.1
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
13,908.5
|
13,288.7
|
|
|
| TOTAL ASSETS |
96,684.0
|
93,403.3
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
2,032.5
|
2,670.8
|
|
|
| Accrued Taxes |
1,800.1
|
1,714.6
|
|
|
| TOTAL CURRENT LIABILITIES |
11,583.6
|
13,266.3
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
8,182.4
|
8,115.6
|
|
|
| TOTAL NONCURRENT LIABILITIES |
59,772.0
|
55,968.7
|
|
|
| TOTAL LIABILITIES |
71,355.6
|
69,235.0
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
12,800.4
|
12,345.6
|
|
|
| TOTAL LIABILITIES AND EQUITY |
96,684.0
|
93,403.3
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
2,212.6
|
2,305.6
|
2,488.1
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
3,090.4
|
3,202.8
|
2,825.7
|
|
| Deferred Income Taxes |
185.1
|
(137.2)
|
107.6
|
|
| Allowance for Equity Funds Used During Construction |
(174.9)
|
(133.7)
|
(139.7)
|
|
| Amortization of Deferred Property Taxes |
(41.1)
|
(41.2)
|
(68.0)
|
|
| Change in Other Noncurrent Assets |
(465.1)
|
(187.7)
|
(126.6)
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
29.0
|
337.8
|
206.4
|
|
| Accounts Receivable, Net |
236.5
|
(681.7)
|
(119.7)
|
|
| Accounts Payable |
(253.2)
|
489.2
|
200.6
|
|
| Accrued Taxes, Net |
22.5
|
105.4
|
218.7
|
|
| Net Cash Flows from Operating Activities |
5,012.2
|
5,288.0
|
3,839.9
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(6,266.7)
|
(7,751.8)
|
(6,433.9)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
1,077.0
|
2,568.9
|
2,607.1
|
|
| Cash and Cash Equivalents at Beginning of Period |
509.4
|
|
|
|
| Cash and Cash Equivalents at End of Period |
330.1
|
509.4
|
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
1,673.5
|
1,286.3
|
1,137.2
|
|
| Income Taxes |
78.4
|
116.8
|
13.2
|
|
| Cash Received from the Sale of Transferable Tax Credits |
(102.0)
|
0.0
|
0.0
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Noncash Acquisition Under Finance Leases |
48.7
|
31.8
|
287.6
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
842.4
|
1,258.9
|
1,180.4
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
842.4
|
1,258.9
|
1,180.4
|
|
| Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31, |
24.2
|
0.0
|
0.0
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
5,462.8
|
4,649.7
|
6,486.3
|
|
| Repayments of Long-term Debt |
$ 2,196.1
|
2,345.4
|
2,989.3
|
|
| Equity Method Investment, Ownership Percentage |
50.00%
|
|
|
|
| Equity Method Investment |
$ 1,073.6
|
1,276.7
|
1,447.5
|
|
| Income (Loss) from Equity Method Investment |
$ 58.5
|
$ (109.4)
|
91.7
|
|
| Antidilutive Shares Outstanding |
0
|
0
|
|
|
| Net Income (Loss) |
$ 2,212.6
|
$ 2,305.6
|
2,488.1
|
|
| Retained Earnings |
12,800.4
|
12,345.6
|
|
|
| Cedar Creek Project |
|
|
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Noncash Contribution of Assets to Cedar Creek Project |
0.0
|
0.0
|
(9.3)
|
|
| Competitive Contracted Renewables |
|
|
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Noncash or Part Noncash Divestiture, Amount of Consideration Received |
74.7
|
0.0
|
0.0
|
|
| Retained Earnings [Member] |
|
|
|
|
| Amounts Attributable to AEP Common Shareholders |
|
|
|
|
| Net Income (Loss) |
$ 2,208.1
|
2,307.2
|
2,488.1
|
|
| Berkshire Hathaway [Member] |
|
|
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Equity Method Investment, Ownership Percentage |
50.00%
|
|
|
|
| AEP Transmission Holdco [Member] |
|
|
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Equity Method Investment, Ownership Percentage |
50.00%
|
|
|
|
| Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
83.0
|
|
|
| AEP Texas Inc. [Member] |
|
|
|
|
| Materials and Supplies |
190.4
|
138.8
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
380.0
|
363.5
|
327.2
|
|
| Amortization of Certain Securitized Assets |
91.9
|
93.3
|
64.2
|
|
| Amortization of Regulatory Assets and Liabilities |
(3.4)
|
(4.4)
|
(4.4)
|
|
| Total Depreciation and Amortization |
468.5
|
452.4
|
387.0
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
0.1
|
|
|
|
| Restricted Cash |
34.0
|
32.7
|
|
|
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
34.1
|
32.8
|
30.5
|
28.8
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
1,901.9
|
1,846.8
|
1,593.8
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
468.5
|
452.4
|
387.0
|
|
| TOTAL EXPENSES |
1,262.8
|
1,297.6
|
1,117.8
|
|
| OPERATING INCOME (LOSS) |
639.1
|
549.2
|
476.0
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
28.4
|
19.7
|
21.5
|
|
| Interest Expense |
(232.7)
|
(208.7)
|
(176.5)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
456.3
|
380.5
|
332.9
|
|
| Income Tax Expense (Benefit) |
85.9
|
72.6
|
43.1
|
|
| Net Income (Loss) |
370.4
|
307.9
|
289.8
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
176.5
|
150.9
|
|
|
| Total Accounts Receivable |
278.5
|
250.2
|
|
|
| TOTAL CURRENT ASSETS |
520.1
|
446.9
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
6,812.6
|
6,301.5
|
|
|
| Other Property, Plant and Equipment |
1,145.9
|
1,022.8
|
|
|
| Construction Work in Progress |
904.6
|
805.2
|
|
|
| Total Property, Plant and Equipment |
14,661.9
|
13,442.3
|
|
|
| Accumulated Depreciation and Amortization |
1,887.9
|
1,760.7
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
12,774.0
|
11,681.6
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
696.6
|
763.7
|
|
|
| TOTAL ASSETS |
13,990.7
|
12,892.2
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
192.3
|
331.0
|
|
|
| Accrued Taxes |
99.1
|
95.5
|
|
|
| TOTAL CURRENT LIABILITIES |
749.4
|
1,043.8
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
1,261.4
|
1,259.6
|
|
|
| TOTAL NONCURRENT LIABILITIES |
8,445.2
|
7,944.1
|
|
|
| TOTAL LIABILITIES |
9,194.6
|
8,987.9
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
2,725.1
|
2,354.7
|
|
|
| TOTAL LIABILITIES AND EQUITY |
13,990.7
|
12,892.2
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
370.4
|
307.9
|
289.8
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
468.5
|
452.4
|
387.0
|
|
| Deferred Income Taxes |
64.1
|
42.2
|
43.0
|
|
| Allowance for Equity Funds Used During Construction |
(28.4)
|
(19.7)
|
(21.5)
|
|
| Change in Other Noncurrent Assets |
(96.5)
|
(36.2)
|
(78.2)
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
24.3
|
57.6
|
26.4
|
|
| Accounts Receivable, Net |
(28.3)
|
(45.0)
|
(21.6)
|
|
| Accounts Payable |
(24.1)
|
25.0
|
8.9
|
|
| Accrued Taxes, Net |
11.8
|
14.8
|
7.0
|
|
| Net Cash Flows from Operating Activities |
659.7
|
731.9
|
596.6
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(1,408.0)
|
(1,269.9)
|
(1,000.8)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
749.6
|
540.3
|
405.9
|
|
| Cash and Cash Equivalents at Beginning of Period |
0.1
|
|
|
|
| Cash and Cash Equivalents at End of Period |
0.1
|
0.1
|
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
225.6
|
198.9
|
168.9
|
|
| Income Taxes |
11.5
|
11.0
|
5.7
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
112.2
|
235.4
|
230.0
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
112.2
|
235.4
|
230.0
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
505.4
|
1,188.6
|
444.2
|
|
| Repayments of Long-term Debt |
278.5
|
716.0
|
88.7
|
|
| Net Income (Loss) |
370.4
|
307.9
|
289.8
|
|
| Retained Earnings |
2,725.1
|
2,354.7
|
|
|
| AEP Texas Inc. [Member] | Retained Earnings [Member] |
|
|
|
|
| Other Income (Expense) |
|
|
|
|
| Net Income (Loss) |
370.4
|
307.9
|
289.8
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
370.4
|
307.9
|
289.8
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Net Income (Loss) |
$ 370.4
|
307.9
|
289.8
|
|
| AEP Texas Inc. [Member] | Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| AEP Texas Inc. [Member] | Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| AEP Texas Inc. [Member] | Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| AEP Texas Inc. [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| AEP Texas Inc. [Member] | Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| AEP Texas Inc. [Member] | Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| AEP Texas Inc. [Member] | Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| AEP Texas Inc. [Member] | Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
83.0
|
|
|
| AEP Transmission Co [Member] |
|
|
|
|
| Materials and Supplies |
0.0
|
10.7
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
393.8
|
346.2
|
297.3
|
|
| Amortization of Certain Securitized Assets |
0.0
|
0.0
|
0.0
|
|
| Amortization of Regulatory Assets and Liabilities |
0.0
|
0.0
|
0.0
|
|
| Total Depreciation and Amortization |
393.8
|
346.2
|
297.3
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
0.0
|
0.0
|
0.0
|
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
1,672.0
|
1,624.5
|
1,469.3
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
393.8
|
346.2
|
297.3
|
|
| TOTAL EXPENSES |
806.4
|
770.8
|
660.0
|
|
| OPERATING INCOME (LOSS) |
865.6
|
853.7
|
809.3
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
83.2
|
70.7
|
67.2
|
|
| Interest Expense |
(194.5)
|
(162.7)
|
(141.2)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
761.3
|
763.3
|
735.8
|
|
| Income Tax Expense (Benefit) |
147.1
|
169.1
|
144.1
|
|
| Net Income (Loss) |
614.2
|
594.2
|
591.7
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
82.2
|
46.9
|
|
|
| Total Accounts Receivable |
207.7
|
166.4
|
|
|
| TOTAL CURRENT ASSETS |
278.8
|
188.7
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
13,723.9
|
12,335.4
|
|
|
| Other Property, Plant and Equipment |
501.4
|
476.8
|
|
|
| Construction Work in Progress |
1,563.7
|
1,554.7
|
|
|
| Total Property, Plant and Equipment |
15,789.0
|
14,366.9
|
|
|
| Accumulated Depreciation and Amortization |
1,291.3
|
1,027.0
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
14,497.7
|
13,339.9
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| Deferred Property Taxes |
286.4
|
266.6
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
296.0
|
285.6
|
|
|
| TOTAL ASSETS |
15,072.5
|
13,814.2
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
274.7
|
427.8
|
|
|
| Accrued Taxes |
568.6
|
529.8
|
|
|
| TOTAL CURRENT LIABILITIES |
1,286.1
|
1,368.0
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
783.7
|
723.3
|
|
|
| TOTAL NONCURRENT LIABILITIES |
7,453.1
|
6,573.2
|
|
|
| TOTAL LIABILITIES |
8,739.2
|
7,941.2
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
3,289.9
|
2,850.7
|
|
|
| TOTAL MEMBER'S EQUITY |
6,333.3
|
5,873.0
|
5,376.1
|
4,712.9
|
| TOTAL LIABILITIES AND EQUITY |
15,072.5
|
13,814.2
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
614.2
|
594.2
|
591.7
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
393.8
|
346.2
|
297.3
|
|
| Deferred Income Taxes |
44.1
|
62.3
|
68.5
|
|
| Allowance for Equity Funds Used During Construction |
(83.2)
|
(70.7)
|
(67.2)
|
|
| Amortization of Deferred Property Taxes |
(19.8)
|
(20.9)
|
(25.6)
|
|
| Change in Other Noncurrent Assets |
8.6
|
(7.4)
|
7.5
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
134.2
|
68.7
|
3.7
|
|
| Accounts Receivable, Net |
(41.3)
|
(46.3)
|
(16.0)
|
|
| Accounts Payable |
22.8
|
18.5
|
(2.2)
|
|
| Accrued Taxes, Net |
42.9
|
50.2
|
67.2
|
|
| Net Cash Flows from Operating Activities |
1,137.6
|
995.3
|
925.7
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(1,557.7)
|
(1,439.2)
|
(1,359.0)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
420.1
|
443.9
|
433.3
|
|
| Cash and Cash Equivalents at Beginning of Period |
0.0
|
0.0
|
0.0
|
|
| Cash and Cash Equivalents at End of Period |
0.0
|
0.0
|
0.0
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
179.9
|
158.8
|
132.9
|
|
| Income Taxes |
87.6
|
95.5
|
65.7
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
177.6
|
320.7
|
358.7
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
177.6
|
320.7
|
358.7
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
689.0
|
540.8
|
443.7
|
|
| Repayments of Long-term Debt |
60.0
|
104.0
|
50.0
|
|
| Net Income (Loss) |
614.2
|
594.2
|
591.7
|
|
| Retained Earnings |
3,289.9
|
2,850.7
|
|
|
| AEP Transmission Co [Member] | Retained Earnings [Member] |
|
|
|
|
| Other Income (Expense) |
|
|
|
|
| Net Income (Loss) |
614.2
|
594.2
|
591.7
|
|
| Equity [Abstract] |
|
|
|
|
| TOTAL MEMBER'S EQUITY |
3,289.9
|
2,850.7
|
2,426.5
|
1,947.3
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
614.2
|
594.2
|
591.7
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Net Income (Loss) |
614.2
|
594.2
|
591.7
|
|
| Appalachian Power Co [Member] |
|
|
|
|
| Materials and Supplies |
148.4
|
130.6
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
571.1
|
576.1
|
547.0
|
|
| Amortization of Certain Securitized Assets |
0.0
|
0.0
|
0.0
|
|
| Amortization of Regulatory Assets and Liabilities |
0.8
|
(0.2)
|
(0.8)
|
|
| Total Depreciation and Amortization |
571.9
|
575.9
|
546.2
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
7.5
|
|
|
|
| Restricted Cash |
14.9
|
14.4
|
|
|
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
19.9
|
21.9
|
20.1
|
22.7
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
3,720.7
|
3,519.9
|
3,105.2
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
571.9
|
575.9
|
546.2
|
|
| TOTAL EXPENSES |
3,189.7
|
2,917.8
|
2,555.8
|
|
| OPERATING INCOME (LOSS) |
531.0
|
602.1
|
549.4
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
11.9
|
11.7
|
15.6
|
|
| Interest Expense |
(269.6)
|
(233.9)
|
(214.0)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
308.6
|
412.4
|
371.0
|
|
| Income Tax Expense (Benefit) |
14.2
|
18.2
|
22.1
|
|
| Net Income (Loss) |
294.4
|
394.2
|
348.9
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
170.3
|
168.9
|
|
|
| Total Accounts Receivable |
338.5
|
352.8
|
|
|
| TOTAL CURRENT ASSETS |
1,059.0
|
1,259.6
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
4,711.8
|
4,482.8
|
|
|
| Other Property, Plant and Equipment |
981.3
|
883.3
|
|
|
| Construction Work in Progress |
709.2
|
705.3
|
|
|
| Total Property, Plant and Equipment |
18,620.2
|
17,781.2
|
|
|
| Accumulated Depreciation and Amortization |
5,688.7
|
5,402.0
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
12,931.5
|
12,379.2
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
1,721.4
|
1,583.4
|
|
|
| TOTAL ASSETS |
15,711.9
|
15,222.2
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
280.4
|
451.2
|
|
|
| Accrued Taxes |
117.6
|
101.0
|
|
|
| TOTAL CURRENT LIABILITIES |
1,685.9
|
1,390.2
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
1,081.9
|
1,143.6
|
|
|
| TOTAL NONCURRENT LIABILITIES |
8,749.3
|
8,856.6
|
|
|
| TOTAL LIABILITIES |
10,435.2
|
10,246.8
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
3,185.5
|
2,891.1
|
|
|
| TOTAL LIABILITIES AND EQUITY |
15,711.9
|
15,222.2
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
294.4
|
394.2
|
348.9
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
571.9
|
575.9
|
546.2
|
|
| Deferred Income Taxes |
(54.3)
|
79.6
|
15.0
|
|
| Allowance for Equity Funds Used During Construction |
(11.9)
|
(11.7)
|
(15.6)
|
|
| Change in Other Noncurrent Assets |
(115.3)
|
(75.2)
|
(68.8)
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
(1.9)
|
31.4
|
35.6
|
|
| Accounts Receivable, Net |
17.5
|
(8.5)
|
(53.3)
|
|
| Accounts Payable |
(125.9)
|
190.1
|
36.8
|
|
| Accrued Taxes, Net |
25.2
|
6.7
|
(16.2)
|
|
| Net Cash Flows from Operating Activities |
723.1
|
601.2
|
611.7
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(1,054.9)
|
(1,005.2)
|
(826.5)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
329.8
|
405.8
|
212.2
|
|
| Cash and Cash Equivalents at Beginning of Period |
7.5
|
|
|
|
| Cash and Cash Equivalents at End of Period |
5.0
|
7.5
|
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
259.7
|
215.1
|
207.5
|
|
| Income Taxes |
47.4
|
(88.6)
|
32.8
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
100.7
|
164.6
|
139.1
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
100.7
|
164.6
|
139.1
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
200.0
|
698.0
|
494.0
|
|
| Repayments of Long-term Debt |
26.6
|
230.4
|
393.0
|
|
| Net Income (Loss) |
294.4
|
394.2
|
348.9
|
|
| Retained Earnings |
3,185.5
|
2,891.1
|
|
|
| Appalachian Power Co [Member] | Retained Earnings [Member] |
|
|
|
|
| Other Income (Expense) |
|
|
|
|
| Net Income (Loss) |
294.4
|
394.2
|
348.9
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
294.4
|
394.2
|
348.9
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Net Income (Loss) |
$ 294.4
|
394.2
|
348.9
|
|
| Appalachian Power Co [Member] | Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| Appalachian Power Co [Member] | Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| Appalachian Power Co [Member] | Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| Appalachian Power Co [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Appalachian Power Co [Member] | Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| Appalachian Power Co [Member] | Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| Appalachian Power Co [Member] | Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Appalachian Power Co [Member] | Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
83.0
|
|
|
| Indiana Michigan Power Co [Member] |
|
|
|
|
| Materials and Supplies |
208.2
|
188.1
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
439.8
|
511.9
|
424.9
|
|
| Amortization of Certain Securitized Assets |
0.0
|
0.0
|
0.0
|
|
| Amortization of Regulatory Assets and Liabilities |
30.2
|
15.3
|
21.1
|
|
| Total Depreciation and Amortization |
470.0
|
527.2
|
446.0
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
4.2
|
1.3
|
3.3
|
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
2,535.9
|
2,669.6
|
2,326.7
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
470.0
|
527.2
|
446.0
|
|
| TOTAL EXPENSES |
2,048.2
|
2,249.7
|
1,968.8
|
|
| OPERATING INCOME (LOSS) |
487.7
|
419.9
|
357.9
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
10.9
|
9.8
|
12.8
|
|
| Interest Expense |
(136.7)
|
(125.2)
|
(116.8)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
394.5
|
328.9
|
269.2
|
|
| Income Tax Expense (Benefit) |
58.6
|
4.2
|
(10.6)
|
|
| Net Income (Loss) |
335.9
|
324.7
|
279.8
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
66.9
|
96.6
|
|
|
| Total Accounts Receivable |
140.3
|
205.8
|
|
|
| TOTAL CURRENT ASSETS |
528.0
|
571.8
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
1,906.4
|
1,842.2
|
|
|
| Other Property, Plant and Equipment |
898.5
|
839.3
|
|
|
| Construction Work in Progress |
301.7
|
253.0
|
|
|
| Total Property, Plant and Equipment |
12,007.4
|
11,544.3
|
|
|
| Accumulated Depreciation and Amortization |
4,378.4
|
4,132.8
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
7,629.0
|
7,411.5
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
4,651.0
|
4,135.6
|
|
|
| TOTAL ASSETS |
12,808.0
|
12,118.9
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
225.8
|
173.4
|
|
|
| Accrued Taxes |
104.7
|
103.2
|
|
|
| TOTAL CURRENT LIABILITIES |
830.2
|
1,197.1
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
2,052.3
|
1,702.2
|
|
|
| TOTAL NONCURRENT LIABILITIES |
8,837.6
|
7,913.5
|
|
|
| TOTAL LIABILITIES |
9,667.8
|
9,110.6
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
2,086.6
|
1,963.2
|
|
|
| TOTAL LIABILITIES AND EQUITY |
12,808.0
|
12,118.9
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
335.9
|
324.7
|
279.8
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
470.0
|
527.2
|
446.0
|
|
| Deferred Income Taxes |
(54.1)
|
(45.1)
|
(38.0)
|
|
| Allowance for Equity Funds Used During Construction |
(10.9)
|
(9.8)
|
(12.8)
|
|
| Change in Other Noncurrent Assets |
(80.3)
|
(47.3)
|
(54.1)
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
47.6
|
62.4
|
7.5
|
|
| Accounts Receivable, Net |
71.4
|
(82.7)
|
(22.3)
|
|
| Accounts Payable |
22.5
|
37.3
|
42.3
|
|
| Accrued Taxes, Net |
1.5
|
9.4
|
1.6
|
|
| Net Cash Flows from Operating Activities |
879.9
|
720.7
|
733.7
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(707.0)
|
(701.5)
|
(633.1)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
(175.0)
|
(16.3)
|
(102.6)
|
|
| Cash and Cash Equivalents at Beginning of Period |
4.2
|
1.3
|
3.3
|
|
| Cash and Cash Equivalents at End of Period |
2.1
|
4.2
|
1.3
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
131.6
|
120.9
|
110.9
|
|
| Income Taxes |
109.0
|
10.1
|
29.3
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
67.8
|
71.9
|
87.8
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
67.8
|
71.9
|
87.8
|
|
| Acquisition of Nuclear Fuel Included in Current Liabilities as of December 31, |
24.2
|
0.0
|
0.0
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
565.3
|
142.7
|
546.7
|
|
| Repayments of Long-term Debt |
343.3
|
83.4
|
383.5
|
|
| Net Income (Loss) |
335.9
|
324.7
|
279.8
|
|
| Retained Earnings |
2,086.6
|
1,963.2
|
|
|
| Indiana Michigan Power Co [Member] | Retained Earnings [Member] |
|
|
|
|
| Other Income (Expense) |
|
|
|
|
| Net Income (Loss) |
335.9
|
324.7
|
279.8
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
335.9
|
324.7
|
279.8
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Net Income (Loss) |
$ 335.9
|
324.7
|
279.8
|
|
| Indiana Michigan Power Co [Member] | Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Indiana Michigan Power Co [Member] | Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
83.0
|
|
|
| Ohio Power Co [Member] |
|
|
|
|
| Materials and Supplies |
175.0
|
109.5
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
315.8
|
293.1
|
301.1
|
|
| Amortization of Certain Securitized Assets |
0.0
|
0.0
|
0.0
|
|
| Amortization of Regulatory Assets and Liabilities |
0.4
|
1.2
|
2.2
|
|
| Total Depreciation and Amortization |
316.2
|
294.3
|
303.3
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
9.6
|
|
|
|
| Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
6.4
|
9.6
|
3.0
|
$ 7.4
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
3,811.4
|
3,665.1
|
2,899.1
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
316.2
|
294.3
|
303.3
|
|
| TOTAL EXPENSES |
3,341.5
|
3,251.4
|
2,513.9
|
|
| OPERATING INCOME (LOSS) |
469.9
|
413.7
|
385.2
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
17.1
|
13.9
|
10.8
|
|
| Interest Expense |
(130.9)
|
(119.6)
|
(124.4)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
382.5
|
331.4
|
288.0
|
|
| Income Tax Expense (Benefit) |
54.3
|
44.2
|
34.4
|
|
| Net Income (Loss) |
328.2
|
287.8
|
253.6
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
39.2
|
119.9
|
|
|
| Total Accounts Receivable |
170.7
|
238.6
|
|
|
| TOTAL CURRENT ASSETS |
377.8
|
414.4
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
3,395.1
|
3,198.6
|
|
|
| Other Property, Plant and Equipment |
1,125.0
|
1,051.4
|
|
|
| Construction Work in Progress |
654.0
|
474.3
|
|
|
| Total Property, Plant and Equipment |
12,013.5
|
11,174.6
|
|
|
| Accumulated Depreciation and Amortization |
2,713.6
|
2,565.3
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
9,299.9
|
8,609.3
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
1,166.0
|
979.4
|
|
|
| TOTAL ASSETS |
10,843.7
|
10,003.1
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
320.7
|
337.3
|
|
|
| Accrued Taxes |
763.3
|
733.1
|
|
|
| TOTAL CURRENT LIABILITIES |
1,614.3
|
1,635.5
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
1,003.6
|
1,044.0
|
|
|
| TOTAL NONCURRENT LIABILITIES |
5,658.1
|
5,279.5
|
|
|
| TOTAL LIABILITIES |
7,272.4
|
6,915.0
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
2,237.3
|
1,929.1
|
|
|
| TOTAL LIABILITIES AND EQUITY |
10,843.7
|
10,003.1
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
328.2
|
287.8
|
253.6
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
316.2
|
294.3
|
303.3
|
|
| Deferred Income Taxes |
7.9
|
71.5
|
30.7
|
|
| Allowance for Equity Funds Used During Construction |
(17.1)
|
(13.9)
|
(10.8)
|
|
| Amortization of Deferred Property Taxes |
(11.5)
|
(20.0)
|
(35.3)
|
|
| Change in Other Noncurrent Assets |
(137.5)
|
(87.1)
|
(40.7)
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
(0.4)
|
91.1
|
6.9
|
|
| Accounts Receivable, Net |
72.8
|
(83.7)
|
(11.8)
|
|
| Accounts Payable |
23.6
|
112.7
|
19.1
|
|
| Accrued Taxes, Net |
27.5
|
27.8
|
78.2
|
|
| Net Cash Flows from Operating Activities |
462.3
|
686.1
|
575.6
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(949.4)
|
(802.5)
|
(753.3)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
483.9
|
123.0
|
173.3
|
|
| Cash and Cash Equivalents at Beginning of Period |
9.6
|
|
|
|
| Cash and Cash Equivalents at End of Period |
6.4
|
9.6
|
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
124.1
|
113.4
|
119.5
|
|
| Income Taxes |
38.9
|
(19.7)
|
(7.9)
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
97.7
|
109.7
|
97.1
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
97.7
|
109.7
|
97.1
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
395.0
|
0.0
|
1,037.1
|
|
| Repayments of Long-term Debt |
0.6
|
0.1
|
500.1
|
|
| Income (Loss) from Equity Method Investment |
0.0
|
0.6
|
0.0
|
|
| Net Income (Loss) |
328.2
|
287.8
|
253.6
|
|
| Retained Earnings |
2,237.3
|
1,929.1
|
|
|
| Ohio Power Co [Member] | Retained Earnings [Member] |
|
|
|
|
| Other Income (Expense) |
|
|
|
|
| Net Income (Loss) |
328.2
|
287.8
|
253.6
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
328.2
|
287.8
|
253.6
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Net Income (Loss) |
$ 328.2
|
287.8
|
253.6
|
|
| Ohio Power Co [Member] | Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| Ohio Power Co [Member] | Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| Ohio Power Co [Member] | Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| Ohio Power Co [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Ohio Power Co [Member] | Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| Ohio Power Co [Member] | Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| Ohio Power Co [Member] | Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Ohio Power Co [Member] | Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
83.0
|
|
|
| Public Service Co Of Oklahoma [Member] |
|
|
|
|
| Materials and Supplies |
106.9
|
111.1
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
240.3
|
226.2
|
185.9
|
|
| Amortization of Certain Securitized Assets |
0.0
|
0.0
|
0.0
|
|
| Amortization of Regulatory Assets and Liabilities |
15.2
|
3.9
|
10.7
|
|
| Total Depreciation and Amortization |
255.5
|
230.1
|
196.6
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
4.0
|
1.3
|
2.6
|
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
1,977.0
|
1,874.7
|
1,474.4
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
255.5
|
230.1
|
196.6
|
|
| TOTAL EXPENSES |
1,742.7
|
1,693.9
|
1,281.5
|
|
| OPERATING INCOME (LOSS) |
234.3
|
180.8
|
192.9
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
8.4
|
1.5
|
2.4
|
|
| Interest Expense |
(103.6)
|
(83.8)
|
(62.9)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
155.2
|
118.4
|
145.2
|
|
| Income Tax Expense (Benefit) |
(53.6)
|
(49.2)
|
4.1
|
|
| Net Income (Loss) |
208.8
|
167.6
|
141.1
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
107.6
|
70.1
|
|
|
| Total Accounts Receivable |
139.4
|
123.1
|
|
|
| Accrued Tax Benefits |
31.0
|
16.1
|
|
|
| TOTAL CURRENT ASSETS |
469.5
|
491.5
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
1,228.3
|
1,164.4
|
|
|
| Other Property, Plant and Equipment |
505.9
|
469.3
|
|
|
| Construction Work in Progress |
313.7
|
219.3
|
|
|
| Total Property, Plant and Equipment |
8,194.2
|
7,464.2
|
|
|
| Accumulated Depreciation and Amortization |
2,081.9
|
1,837.7
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
6,112.3
|
5,626.5
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
753.1
|
847.9
|
|
|
| TOTAL ASSETS |
7,334.9
|
6,965.9
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
159.3
|
202.9
|
|
|
| Accrued Taxes |
30.7
|
28.7
|
|
|
| TOTAL CURRENT LIABILITIES |
559.0
|
842.7
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
765.6
|
809.1
|
|
|
| TOTAL NONCURRENT LIABILITIES |
4,205.3
|
3,704.1
|
|
|
| TOTAL LIABILITIES |
4,764.3
|
4,546.8
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
1,374.3
|
1,218.0
|
|
|
| TOTAL LIABILITIES AND EQUITY |
7,334.9
|
6,965.9
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
208.8
|
167.6
|
141.1
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
255.5
|
230.1
|
196.6
|
|
| Deferred Income Taxes |
7.9
|
(59.4)
|
113.9
|
|
| Allowance for Equity Funds Used During Construction |
(8.4)
|
(1.5)
|
(2.4)
|
|
| Change in Other Noncurrent Assets |
(71.3)
|
(40.1)
|
(14.8)
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
8.2
|
29.9
|
4.4
|
|
| Accounts Receivable, Net |
(16.3)
|
(46.0)
|
(28.7)
|
|
| Accounts Payable |
(58.2)
|
57.5
|
34.2
|
|
| Accrued Taxes, Net |
(12.9)
|
3.2
|
(6.5)
|
|
| Net Cash Flows from Operating Activities |
590.5
|
747.7
|
(433.3)
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(692.8)
|
(992.0)
|
(626.7)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
100.8
|
247.0
|
1,058.7
|
|
| Cash and Cash Equivalents at Beginning of Period |
4.0
|
1.3
|
2.6
|
|
| Cash and Cash Equivalents at End of Period |
2.5
|
4.0
|
1.3
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
87.3
|
79.7
|
57.0
|
|
| Income Taxes |
(10.6)
|
(12.5)
|
(102.9)
|
|
| Cash Received from the Sale of Transferable Tax Credits |
(34.6)
|
0.0
|
0.0
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
72.9
|
69.8
|
56.8
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
72.9
|
69.8
|
56.8
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
469.8
|
499.7
|
1,290.0
|
|
| Repayments of Long-term Debt |
0.5
|
500.5
|
750.5
|
|
| Net Income (Loss) |
208.8
|
167.6
|
141.1
|
|
| Retained Earnings |
1,374.3
|
1,218.0
|
|
|
| Public Service Co Of Oklahoma [Member] | Retained Earnings [Member] |
|
|
|
|
| Other Income (Expense) |
|
|
|
|
| Net Income (Loss) |
208.8
|
167.6
|
141.1
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
208.8
|
167.6
|
141.1
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Net Income (Loss) |
$ 208.8
|
167.6
|
141.1
|
|
| Public Service Co Of Oklahoma [Member] | Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Public Service Co Of Oklahoma [Member] | Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
83.0
|
|
|
| Southwestern Electric Power Co [Member] |
|
|
|
|
| Materials and Supplies |
88.4
|
92.1
|
|
|
| Supplementary Information |
|
|
|
|
| Depreciation and Amortization of Property, Plant and Equipment |
323.4
|
319.3
|
292.9
|
|
| Amortization of Certain Securitized Assets |
0.0
|
0.0
|
0.0
|
|
| Amortization of Regulatory Assets and Liabilities |
19.4
|
5.5
|
2.1
|
|
| Total Depreciation and Amortization |
342.8
|
324.8
|
295.0
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
88.4
|
51.2
|
13.2
|
|
| Amounts Attributable to AEP Common Shareholders |
|
|
|
|
| Net Income (Loss) Attributable to Noncontrolling Interests |
3.5
|
4.2
|
3.1
|
|
| Net Income (Loss) |
220.3
|
290.1
|
239.0
|
|
| Revenues |
|
|
|
|
| TOTAL REVENUES |
2,182.8
|
2,284.4
|
2,131.8
|
|
| Expenses |
|
|
|
|
| Depreciation and Amortization |
342.8
|
324.8
|
295.0
|
|
| TOTAL EXPENSES |
1,890.5
|
1,914.4
|
1,792.3
|
|
| OPERATING INCOME (LOSS) |
292.3
|
370.0
|
339.5
|
|
| Other Income (Expense) |
|
|
|
|
| Allowance for Equity Funds Used During Construction |
11.5
|
4.9
|
7.0
|
|
| Interest Expense |
(147.2)
|
(137.4)
|
(125.9)
|
|
| INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS (LOSS) |
189.1
|
267.7
|
238.1
|
|
| Income Tax Expense (Benefit) |
(33.3)
|
(25.2)
|
(0.6)
|
|
| Net Income (Loss) |
223.8
|
294.3
|
242.1
|
|
| Accounts Receivable: |
|
|
|
|
| Customers |
39.0
|
38.8
|
|
|
| Total Accounts Receivable |
94.5
|
114.6
|
|
|
| Accrued Tax Benefits |
28.4
|
16.5
|
|
|
| TOTAL CURRENT ASSETS |
541.3
|
812.2
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Transmission |
2,660.6
|
2,479.8
|
|
|
| Other Property, Plant and Equipment |
814.4
|
804.4
|
|
|
| Construction Work in Progress |
555.8
|
369.5
|
|
|
| Total Property, Plant and Equipment |
11,645.6
|
11,789.5
|
|
|
| Accumulated Depreciation and Amortization |
3,087.2
|
3,527.3
|
|
|
| TOTAL PROPERTY, PLANT AND EQUIPMENT - NET |
8,558.4
|
8,262.2
|
|
|
| Other Noncurrent Assets |
|
|
|
|
| TOTAL OTHER NONCURRENT ASSETS |
1,457.9
|
1,304.4
|
|
|
| TOTAL ASSETS |
10,557.6
|
10,378.8
|
|
|
| Current Liabilities |
|
|
|
|
| Accounts Payable |
198.9
|
213.1
|
|
|
| Accrued Taxes |
58.7
|
52.8
|
|
|
| TOTAL CURRENT LIABILITIES |
686.9
|
947.7
|
|
|
| Liabilities, Noncurrent |
|
|
|
|
| Regulatory Liabilities and Deferred Investment Tax Credits |
756.1
|
825.7
|
|
|
| TOTAL NONCURRENT LIABILITIES |
6,100.3
|
5,756.3
|
|
|
| TOTAL LIABILITIES |
6,787.2
|
6,704.0
|
|
|
| Equity [Abstract] |
|
|
|
|
| Retained Earnings |
2,281.3
|
2,236.0
|
|
|
| TOTAL LIABILITIES AND EQUITY |
10,557.6
|
10,378.8
|
|
|
| Operating Activites |
|
|
|
|
| Net Income (Loss) |
223.8
|
294.3
|
242.1
|
|
| Adjustments to Reconcile Net Income to Net Cash Flows from (Used for) Operating Activities: |
|
|
|
|
| Depreciation and Amortization |
342.8
|
324.8
|
295.0
|
|
| Deferred Income Taxes |
54.0
|
9.4
|
16.6
|
|
| Allowance for Equity Funds Used During Construction |
(11.5)
|
(4.9)
|
(7.0)
|
|
| Change in Other Noncurrent Assets |
(40.5)
|
42.9
|
41.9
|
|
| Increase (Decrease) in Other Noncurrent Liabilities |
11.0
|
18.3
|
(1.1)
|
|
| Accounts Receivable, Net |
20.1
|
(28.2)
|
(21.5)
|
|
| Accounts Payable |
(8.4)
|
34.1
|
22.0
|
|
| Accrued Taxes, Net |
(4.5)
|
9.8
|
15.4
|
|
| Net Cash Flows from Operating Activities |
803.0
|
586.6
|
96.8
|
|
| Investing Activities |
|
|
|
|
| Net Cash Flows Used for Investing Activities |
(776.7)
|
(1,085.1)
|
(920.7)
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Net Cash Flows from Financing Activities |
(112.3)
|
535.7
|
861.9
|
|
| Cash and Cash Equivalents at Beginning of Period |
88.4
|
51.2
|
13.2
|
|
| Cash and Cash Equivalents at End of Period |
2.4
|
88.4
|
51.2
|
|
| Cash Paid (Received) for: |
|
|
|
|
| Cash Paid for Interest, Net of Capitalized Amounts |
128.9
|
131.2
|
116.5
|
|
| Income Taxes |
(41.0)
|
(29.1)
|
(28.8)
|
|
| Cash Received from the Sale of Transferable Tax Credits |
(41.4)
|
0.0
|
0.0
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Construction in Progress Expenditures Incurred but Not yet Paid |
63.7
|
105.6
|
69.0
|
|
| Construction Expenditures Included in Current Liabilities as of December 31, |
63.7
|
105.6
|
69.0
|
|
| Organization and Summary of Significant Accounting Policies (Textuals) |
|
|
|
|
| Issuance of Long-term Debt |
346.8
|
0.0
|
1,137.6
|
|
| Repayments of Long-term Debt |
94.1
|
6.2
|
381.2
|
|
| Income (Loss) from Equity Method Investment |
1.4
|
1.4
|
3.4
|
|
| Net Income (Loss) |
223.8
|
294.3
|
242.1
|
|
| Retained Earnings |
2,281.3
|
2,236.0
|
|
|
| Southwestern Electric Power Co [Member] | Retained Earnings [Member] |
|
|
|
|
| Amounts Attributable to AEP Common Shareholders |
|
|
|
|
| Net Income (Loss) |
$ 220.3
|
290.1
|
$ 239.0
|
|
| Southwestern Electric Power Co [Member] | Pension Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
30.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Pension Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
54.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Pension Plans [Member] | Other Investments [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
15.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Pension Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Other Postretirement Benefit Plans [Member] | Equity [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
58.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Other Postretirement Benefit Plans [Member] | Fixed Income [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
41.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Other Postretirement Benefit Plans [Member] | Cash and Cash Equivalents [Member] |
|
|
|
|
| Target Asset Allocations |
|
|
|
|
| Target Asset Allocation |
1.00%
|
|
|
|
| Southwestern Electric Power Co [Member] | Pension and Other Postretirement Benefit Plans [Member] |
|
|
|
|
| Supplementary Information |
|
|
|
|
| Securities Loaned |
$ 62.0
|
$ 83.0
|
|
|
| Restricted Stock Units and Performance Share Units [Member] |
|
|
|
|
| Weighted Average Dilutive Effect of: |
|
|
|
|
| Weighted Average Dilutive Effect of Shares |
1,300,000
|
1,700,000
|
1,300,000
|
|
| Dilutive Securities, Effect on Basic Earnings Per Share |
$ (0.02)
|
$ (0.02)
|
$ (0.01)
|
|
| Revenues [Member] | AEP Texas Inc. [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
41.00%
|
45.00%
|
43.00%
|
|
| Revenues [Member] | AEP Transmission Co [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
79.00%
|
79.00%
|
79.00%
|
|
| Revenues [Member] | Appalachian Power Co [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
10.00%
|
10.00%
|
10.00%
|
|
| Revenues [Member] | Indiana Michigan Power Co [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
10.00%
|
10.00%
|
10.00%
|
|
| Revenues [Member] | Ohio Power Co [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
10.00%
|
10.00%
|
10.00%
|
|
| Revenues [Member] | Public Service Co Of Oklahoma [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
10.00%
|
10.00%
|
10.00%
|
|
| Revenues [Member] | Southwestern Electric Power Co [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
10.00%
|
10.00%
|
10.00%
|
|
| Accounts Receivable [Member] | AEP Texas Inc. [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
34.00%
|
42.00%
|
41.00%
|
|
| Accounts Receivable [Member] | AEP Transmission Co [Member] | Credit Concentration Risk |
|
|
|
|
| Risks and Uncertainties |
|
|
|
|
| Percentage of Significant Customers Concentration Risk |
60.00%
|
72.00%
|
81.00%
|
|
| Noncontrolling Interest [Member] | Dry Lake Solar Project [Member] |
|
|
|
|
| Noncash Investing and Financing Activities: |
|
|
|
|
| Noncash Contribution of Assets by Noncontrolling Interest |
$ 0.0
|
$ 0.0
|
$ 35.3
|
|
| Sabine Mining Co [Member] | Southwestern Electric Power Co [Member] |
|
|
|
|
| Materials and Supplies |
3.9
|
4.2
|
|
|
| Cash, Cash Equivalents and Restricted Cash |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
84.2
|
|
|
|
| Property, Plant and Equipment |
|
|
|
|
| Other Property, Plant and Equipment |
182.7
|
219.8
|
|
|
| Accumulated Depreciation and Amortization |
182.7
|
212.5
|
|
|
| Net Cash Provided by (Used in) Financing Activities |
|
|
|
|
| Cash and Cash Equivalents at Beginning of Period |
84.2
|
|
|
|
| Cash and Cash Equivalents at End of Period |
$ 0.0
|
$ 84.2
|
|
|