INVESTMENT IN TRANSMISSION AFFILIATES - RELATED PARTY TRANSACTIONS (Details) - ATC - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Investment in transmission affiliates | ||||
| Charges to ATC for services and construction | $ 5.4 | $ 4.2 | $ 18.8 | $ 13.7 |
| Charges from ATC for network transmission services | 129.3 | 116.8 | 387.5 | 350.2 |
| Net refund from ATC related to FERC ROE orders | $ 0.0 | $ 2.1 | $ 1.3 | $ 3.8 |
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Net refunds of transmission charges received from American Transmission Company LLC as a result of return on equity orders issued by the Federal Energy Regulatory Commission. No definition available.
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- Definition Charges to related parties for services, construction, and/or operations (excluding transactions that are eliminated in consolidated or combined financial statements) during the period. No definition available.
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- Details
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