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Schedule of Effective Income Tax Rate Reconciliation [Line Items]

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The number of years from its in-service date that each wind-powered generating facility is eligible for federal renewable energy production tax credits.

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- References

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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-Publisher FASB
-Name Accounting Standards Codification
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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
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