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Segment Information (Details Textuals) mi² in Thousands, customer in Millions, $ in Billions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) mi² customer company MW
Regulated Distribution |
Segment Reporting Information [Line Items] |
Number of existing utility operating companies | company | 10
Number of customers served by utility operating companies | customer | 6
Number of square miles in service area | mi² | 65
Megawatts of net demonstrated capacity of competitive segment | 3,790
Other/Corporate | OVEC |
Segment Reporting Information [Line Items] |
Megawatts of net demonstrated capacity of competitive segment | 70
FirstEnergy | Other/Corporate |
Segment Reporting Information [Line Items] |
Long-term debt and other long-term obligations | $ | $ 7.2

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- Definition Service Area. + References No definition available. + Details
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