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Commitments, Guarantees and Contingencies - North Dakota Wind Development (Details) (USD $) In Millions, unless otherwise specified | Jun. 30, 2014 kV Miles
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DC Transmission Line from Square Butte [Member] |
North Dakota Wind Development [Line Items] |
Transmission Line Length (Miles) | 465
Transmission Line Capacity (kV) | 250
Bison Wind Energy Center [Member] |
North Dakota Wind Development [Line Items] |
Generating Capacity (MW) | 292
Bison 4 [Member] |
North Dakota Wind Development [Line Items] |
Generating Capacity (MW) | 205
Estimated Capital Expenditures, Including Past Expenditures | $ 345
Capital Cost Spent to Date | $ 246.6

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- Definition Capital cost spent to date for project. + References No definition available. + Details
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- Definition The estimated amount of certain capital expenditures related to environmental compliance, regulatory matters, or other commitments and/or contingencies. This estimate includes expenditures expected in future periods and expenditures made through the end of the current period. + References No definition available. + Details
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- Definition Capacity of a generating facility, unit, or project in megawatts. + References No definition available. + Details
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- Details
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- Definition Capacity of a transmission line in kilovolts. + References No definition available. + Details
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- Definition Length of a transmission line in miles. + References No definition available. + Details
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