Generating Capacity Counterparty Owned (MW)

No definition available.

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- Definition

Long-term Contract for Purchase of Electric Power, Annual Minimum Debt Service Payment Required, Obligation (Percentage)

+ References

No definition available.

+ Details

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- Definition

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.D)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480114/980-10-S99-1

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- Definition

Under long-term contracts with public utility districts, cooperatives or other organizations, a utility company receives a portion of the output of a production plant constructed and financed by the district or cooperative. The utility has only a nominal or no investment at all in the plant but pays a proportionate part of the plant's costs, including debt service. If the utility is obligated to pay certain minimum amounts which cover debt service requirements whether or not the plant is operating, the amount can be disclosed here.

+ References

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- Definition

The allocable portion of interest included in charges under a long-term contract to purchase electric power.

+ References

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.D)
-SubTopic 10
-Topic 980
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480114/980-10-S99-1

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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

+ Details

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- Definition

Amount of operating expense for purchased power procured under arrangements extending beyond one year or the normal operating cycle, if longer, by regulated operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 10.D)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480114/980-10-S99-1

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Commitments, Guarantees and Contingencies - Power Purchase Agreements (Details) - Square Butte - Square Butte PPA $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) MW	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Power Purchase Agreements [Line Items]
Ppa counterparty total debt outstanding	$ 168.9
Minnesota Power
Power Purchase Agreements [Line Items]
Cost of purchased power	87.7	$ 86.2	$ 82.7
Pro rata share of ppa counterparty interest expense	$ 4.9	$ 5.5	$ 5.1
Square Butte Coal-fired Unit
Power Purchase Agreements [Line Items]
Generating capacity counterparty owned (MW) \| MW	455
Square Butte Coal-fired Unit \| Minnesota Power
Power Purchase Agreements [Line Items]
Expected output entitlement	50.00%
Ppa annual debt service obligation	50.00%
2025-01-01 \| Square Butte Coal-fired Unit \| Minnesota Power
Power Purchase Agreements [Line Items]
Ppa counterparty annual debt service through 2027	$ 30.6
2026-01-01 \| Square Butte Coal-fired Unit \| Minnesota Power
Power Purchase Agreements [Line Items]
Ppa counterparty annual debt service through 2027	$ 32.1