v3.3.0.814

Acquisitions and Dispositions (Plants in Disposal Group) (Details) - Duke Energy Ohio [Member] | 3 Months Ended
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Mar. 31, 2015 MW
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 9,225
Owned Average MW Capacity | 5,884
Stuart [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 2,308
Owned Average MW Capacity | 900
Ownership Interest | 39.00%
Zimmer [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 1,300
Owned Average MW Capacity | 605
Ownership Interest | 46.50%
Hanging Rock [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 1,226
Owned Average MW Capacity | 1,226
Ownership Interest | 100.00%
Miami Fort Units 7 and 8 [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 1,020
Owned Average MW Capacity | 652
Ownership Interest | 64.00%
Conesville [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 780
Owned Average MW Capacity | 312
Ownership Interest | 40.00%
Washington [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 617
Owned Average MW Capacity | 617
Ownership Interest | 100.00%
Fayette [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 614
Owned Average MW Capacity | 614
Ownership Interest | 100.00%
Killen [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 600
Owned Average MW Capacity | 198
Ownership Interest | 33.00%
Lee [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 568
Owned Average MW Capacity | 568
Ownership Interest | 100.00%
Dicks Creek [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 136
Owned Average MW Capacity | 136
Ownership Interest | 100.00%
Miami Fort [Member] |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Total Average MW Capacity | 56
Owned Average MW Capacity | 56
Ownership Interest | 100.00%

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- Definition Plant capacity in Megawatts. + References No definition available. + Details
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- Definition The proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 10.C) -URI http://asc.fasb.org/extlink&oid=6500719&loc=d3e659983-123033 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 10 -Section C + Details
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