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Regulatory Matters (Regulatory Matters Narrative - Duke Energy Carolinas and Duke Energy Progress) (Details) | Apr. 05, 2022
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NCUC | Duke Energy Carolinas and Duke Energy Progress | HB 951 | Subsequent event |
Public Utilities, General Disclosures [Line Items] |
Retail portion of remaining net book value of retiring coal plants (as a percent) | 50.00%

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