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INVESTMENT IN TRANSMISSION AFFILIATES - RELATED PARTY TRANSACTIONS (Details) - ATC - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Investment in transmission affiliates |  |
Charges to ATC for services and construction | $ 3.8 | $ 6.2
Charges from ATC for network transmission services | $ 94.5 | $ 91.1

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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. + References No definition available. + Details
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- Details
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