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Regulatory Matters (Regulatory Matters Narrative - Piedmont) (Details) - Piedmont - 2024 North Carolina Rate Case - NCUC - Subsequent event $ in Millions | Apr. 01, 2024 USD ($)
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Public Utilities, General Disclosures [Line Items] |
Requested rate increase (decrease), amount | $ 159
Requested rate increase, percentage, net of tax | 12.50%
Requested return on equity (as a percent) | 10.50%
Equity ratio (as a percent) | 53.00%
Percentage of additions covered under IMR mechanism | 40.00%

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