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ACQUISITIONS AND DISPOSITIONS - Alabama Power Narrative (Details) - Alabama Power - Central Alabama Generating Station $ in Millions | Aug. 31, 2020 USD ($) MW
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Business Acquisition [Line Items] |
Approximate nameplate capacity (in MWs) | MW | 885
Purchase price | $ 461
Property, plant, and equipment | $ 452
Power sales agreement, remaining term | 3 years

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