Summary
Duke Energy Carolinas, LLC (DEC), a subsidiary of Duke Energy Corp (DUK), has reached a partial settlement with the Office of Regulatory Staff (ORS) and other intervenors regarding its base rate proceeding filed with the Public Service Commission of South Carolina (PSCSC). This settlement, filed on November 11, 2025, proposes key financial terms, including a return on equity (ROE) of 9.99%, a capital structure of 53% equity and 47% debt, and an overall rate of return of 7.4%. It also establishes a South Carolina retail rate base of $7.9 billion. Investors should note that this settlement is subject to the PSCSC's review and approval, with an evidentiary hearing scheduled for November 13, 2025. The agreement includes provisions for the flow-back of nuclear and other production tax credits to customers. Additionally, the settlement supports DEC's proposed increase in its annual storm reserve funding to $10 million and its proposed annual pension cost rider, which could impact future operational costs and customer rates.
Key Highlights
- 1Duke Energy Carolinas (DEC) reached a partial settlement in its South Carolina base rate proceeding.
- 2The proposed settlement includes a return on equity (ROE) of 9.99% and an overall rate of return of 7.4%.
- 3The South Carolina retail rate base is set at $7.9 billion under the agreement.
- 4Nuclear and other production tax credits will be flowed back to customers.
- 5The settlement supports an increase in DEC's annual storm reserve funding to $10 million.
- 6Support for DEC's proposed annual pension cost rider is also part of the agreement.
- 7The settlement is subject to Public Service Commission of South Carolina (PSCSC) approval.