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Jointly Owned Facilities (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Wyodak Plant |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership Interest | 20.00%
Plant in Service | $ 122.3
Construction Work in Progress | 0.0
Less Accumulated Depreciation | (73.4)
Plant Net of Accumulated Depreciation | $ 48.9
Transmission Tie |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership Interest | 35.00%
Plant in Service | $ 24.5
Construction Work in Progress | 0.3
Less Accumulated Depreciation | (7.8)
Plant Net of Accumulated Depreciation | $ 17.0
Wygen III Generating Facility |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership Interest | 52.00%
Plant in Service | $ 145.3
Construction Work in Progress | 0.3
Less Accumulated Depreciation | (32.2)
Plant Net of Accumulated Depreciation | $ 113.4
Wygen I Generating Facility |
Jointly Owned Utility Plant Interests [Line Items] |
Ownership Interest | 76.50%
Plant in Service | $ 116.0
Construction Work in Progress | 0.8
Less Accumulated Depreciation | (60.1)
Plant Net of Accumulated Depreciation | $ 56.7

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- Definition The period end amount owned by the reporting utility of a jointly owned utility plant in service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479960/980-360-S99-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The total period end amount of plant in service and construction in progress net of accumulated depreciation for the utility's share of jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479960/980-360-S99-1 + Details
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- Definition The period end amount of construction work in progress at a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479960/980-360-S99-1 + Details
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- Definition The period end amount of accumulated depreciation in a jointly owned electricity generation plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479960/980-360-S99-1 + Details
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- Definition The proportionate share of interest (percent) in a jointly owned utility plant. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.C) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479960/980-360-S99-1 + Details
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- Details
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