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Regulatory Matters - Integrated Resource Plan (Details) - MPUC [Member] - Resource Package [Member] | Jul. 28, 2017 MW
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Natural Gas-fired [Member] | Combined-Cycle Natural Gas-Fired Generating Facility [Member] | Minimum [Member] | Jointly Owned by ALLETE and Dairyland Power Cooperative [Member] | Natural Gas PPA [Member] | Jointly Owned Electricity Generation Plant [Member] |
Regulatory Matters [Line Items] |
Generating Capacity to be Jointly Owned (MW) | 525
Natural Gas-fired [Member] | Combined-Cycle Natural Gas-Fired Generating Facility [Member] | Maximum [Member] | Jointly Owned by ALLETE and Dairyland Power Cooperative [Member] | Natural Gas PPA [Member] | Jointly Owned Electricity Generation Plant [Member] |
Regulatory Matters [Line Items] |
Generating Capacity to be Jointly Owned (MW) | 550
Minnesota Power [Member] | Natural Gas PPA [Member] |
Regulatory Matters [Line Items] |
Output Being Purchased (MW) | 250
Minnesota Power [Member] | Natural Gas-fired [Member] | Natural Gas PPA [Member] |
Regulatory Matters [Line Items] |
Expected Output Entitlement (Percent) | 50.00%
Minnesota Power [Member] | Wind Turbine Generators [Member] | Nobles 2 [Member] | Nobles 2 [Member] |
Regulatory Matters [Line Items] |
Generating Capacity to be Counterparty Owned (MW) | 250
Minnesota Power [Member] | Solar Energy Generation [Member] | Solar Energy PPA [Member] |
Regulatory Matters [Line Items] |
Generating Capacity to be Counterparty Owned (MW) | 10

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