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Nature of Business (Details) MW in Thousands, customer in Millions | Jan. 05, 2021 state customer province | Dec. 31, 2020 MW | Aug. 01, 2019 state
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Generation capacity (in MW) | MW |  | 23 |
Business Acquisition [Line Items] |  |  |
Number of states in which the entity operates | state |  |  | 9
Subsequent Event |  |  |
Business Acquisition [Line Items] |  |  |
Customers served (over) | customer | 6 |  |
Direct Energy | Subsequent Event |  |  |
Business Acquisition [Line Items] |  |  |
Customers served (over) | customer | 3 |  |
Direct Energy | U.S. | Subsequent Event |  |  |
Business Acquisition [Line Items] |  |  |
Number of states in which the entity operates | state | 50 |  |
Direct Energy | Canada | Subsequent Event |  |  |
Business Acquisition [Line Items] |  |  |
Provinces in which entity operates | province | 8 |  |

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- Definition Number of customers + References No definition available. + Details
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Balance Type: | na
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- Definition Number of Provinces in which Entity Operates + References No definition available. + Details
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- Definition The generation capacity of the entity's power generation facilities as of the balance sheet date, expressed in megawatts. + References No definition available. + 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 number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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- Details
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- Details
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- Details
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