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Regulatory Matters - Integrated Resource Plan (Details) - MW |  | 3 Months Ended |
--- | --- | --- | ---
Oct. 01, 2021 | Dec. 31, 2021 | Feb. 01, 2021
Natural Gas-Fired [Member] | Nemadji Trail Energy Center [Member] |  |  |
Regulatory Matters [Line Items] |  |  |
Generating Capacity Jointly Owned (MW) |  | 600 |
Natural Gas-Fired [Member] | South Shore Energy | Nemadji Trail Energy Center [Member] |  |  |
Regulatory Matters [Line Items] |  |  |
Expected Output Entitlement (Percent) | 20.00% | 20.00% |
MPUC [Member] | Renewable Generation [Member] | 2021 Integrated Resource Plan [Member] |  |  |
Regulatory Matters [Line Items] |  |  |
Generating Capacity (MW) |  |  | 400

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- Definition Anticipated Additional Generating Capacity (MW) + References No definition available. + Details
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- Definition Generating Capacity Jointly Owned (MW) + References No definition available. + Details
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- Definition Share of plant output being purchased under a long-term contract to purchase electricity from a production plant constructed and financed by a public utility district, cooperative, or other organization. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 10.D) -URI http://asc.fasb.org/extlink&oid=122136240&loc=d3e659339-123030 + Details
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