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Regulatory Matters (Piedmont Narrative) (Details) - Piedmont - 2024 North Carolina Rate Case - NCUC $ in Millions | Sep. 13, 2024 USD ($)
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Public Utilities, General Disclosures [Line Items] |
Increase in net annual retail revenues in the first year | $ 88
Increase in net annual retail revenue after the first year | $ 10
Requested return on equity (as a percent) | 9.80%
Equity ratio (as a percent) | 52.30%

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