8-KRegulation FDExhibits & Filings

Duke Energy CORP 8-K Report, Regulation FD Disclosure (Oct 30, 2025)

Filed October 30, 2025For Securities:DUKDUKBDUK-PA

Summary

Duke Energy Progress, LLC (DEP), a subsidiary of Duke Energy Corporation (DUK), has reached a partial settlement in its base rate proceeding before the Public Service Commission of South Carolina (PSCSC). This settlement, agreed upon with the Office of Regulatory Staff (ORS) and other parties, addresses key elements of DEP's revenue requirement and related matters. While the settlement is subject to final PSCSC approval, it outlines a proposed return on equity (ROE) of 9.99% and an overall rate of return of 7.2%, based on a capital structure of 53% equity and 47% debt. It also sets a South Carolina retail rate base at $2.2 billion and includes provisions for passing back nuclear and other production tax credits to customers.

Key Highlights

  • 1Partial settlement reached in Duke Energy Progress, LLC's South Carolina base rate proceeding.
  • 2Proposed return on equity (ROE) of 9.99% and an overall rate of return of 7.2% agreed upon.
  • 3South Carolina retail rate base established at $2.2 billion.
  • 4Agreement to flow back nuclear and other production tax credits to customers.
  • 5Support for DEP's proposed annual reserve funding increase to $6 million.
  • 6Support for DEP's proposed pension cost rider.
  • 7Settlement subject to final approval by the Public Service Commission of South Carolina (PSCSC).

Frequently Asked Questions

This partial settlement provides clarity on key financial parameters for Duke Energy Progress, LLC in South Carolina. The agreed-upon return on equity (9.99%) and overall rate of return (7.2%) can help predict future earnings potential for the subsidiary. The flow-back of tax credits and support for reserve funding and pension costs are also important for understanding the subsidiary's financial health and its ability to manage costs, ultimately impacting consolidated results.

The Public Service Commission of South Carolina (PSCSC) must still review and approve the Stipulation. While the partial settlement indicates agreement among key parties, the PSCSC could potentially modify or reject certain aspects. A final approved rate base and rate of return will directly influence Duke Energy Progress's future revenue and profitability in South Carolina.

The agreement to flow back nuclear and other production tax credits to customers means that a portion of these tax benefits will be passed on, reducing customer bills. While this may slightly temper revenue growth from these specific tax benefits, it can also improve customer relations and regulatory standing. Investors should monitor the magnitude of these pass-throughs as detailed in Exhibit 99.1.

The rate base, set at $2.2 billion for South Carolina retail, represents the value of Duke Energy Progress's utility assets (like power plants and transmission lines) that are used to provide services to customers. Regulators allow utilities to earn a reasonable return on this investment, which is then recovered through customer rates.