Kentucky Public Service Commission

Final Order Entered: 1. Duke Kentucky’s proposed Rider PMM rates are approved. 2. Duke Kentucky’s proposed true-up for the 2024 expenses is approved. 3. The Rider PMM rates in the Appendix to this Order are approved for service rendered on and after the date of service of this Order. 4. Duke Kentucky’s request to create a regulatory asset for the expenses related to this project that exceed the five percent cap is approved. 5. Within 20 days of the date of service of this Order, Duke Kentucky shall file with the Commission, using the Commission's electronic Tariff Filing System, new tariff sheets setting forth the rates, charges, and modifications approved or as required in this Order, and reflecting their effective date and that they were authorized by this Order. 6. In all future CPCN and Rider PMM cases related to the AM07 project, Duke Kentucky shall be required to provide estimates and actuals with the corresponding case numbers and phase numbers on all charts. Furthermore, a specific breakdown of actual costs incurred shall be included in the Rider PMM cases. 7. Duke Kentucky shall provide a detailed explanation as to the reasons for the excess costs if the actual costs exceed ten percent of the estimated cost, regardless of the section of the project. 8. This case is closed and removed from the Commission’s docket.

20251202_PSC Letter Filing IC Memo and Sign In Sheet into the Record.pdf

Notice of Informal Conference

Duke Energy Kentucky Inc.s Revised Response to Commission Staff First Request for Information, Items 1, 3 and 4.

Charlene Barlow ROCCO DASCENZO

Duke Energy Kentucky, Inc.s Responses to Commission Staffs First Request for Information

Charlene Barlow Rocco DAscenzo

Data Request

Duke Energy Kentucky, Inc.s Proof of Publication of Customer Notice

Minna Sunderman Duke Energy Kentucky, Inc.

Order Entered: 1. Duke Kentucky’s proposed PMM charges are suspended for one day, to August 4, 2025. 2. Duke Kentucky’s proposed PMM charges may be placed in effect by Duke Kentucky on or after August 4, 2025, pending the final Order in this matter and subject to refund, provided Duke Kentucky files written notice to the Commission of its intention to do so as required by KRS 278.190(2). 3. If Duke Kentucky files notice of its intention to place the proposed PMM charges into effect after the end of the suspension period, Duke Kentucky shall maintain its records in such manner as will allow it, the Commission, or any customer to determine the amounts to be refunded and to whom in the event a refund is ordered upon final resolution of this matter. 4. Duke Kentucky shall respond to all requests for information propounded by Commission Staff as provided in those requests.

Order Entered: 1. Duke Kentucky’s motion for leave for a deviation from 807 KAR 5:001 Section 17(2)(b) for good cause is granted, subject to the following conditions. 2. Duke Kentucky shall publish the notice in accordance with its requested motion for deviation. 3. Duke Kentucky shall file proof of the publication within 14 days of the final published notice.

Duke Energy Kentucky, Inc.s Application and Motion for Leave to Deviate from 807 KAR 5:001, Section 17(2)(b)(3)

Minna Sunderman Rocco DAscenzo

20250626_PSC Acknowledgment Letter.pdf

Duke Energy Kentucky, Inc. Notice of Intent to File an Application for an Adjustment to Rider PMM Rates and for Tariff Approval Using Electronic Filing Procedures