Kentucky Public Service Commission

Final Order Entered: 1. The charges and credits applied by Duke Kentucky through the FAC for the period from November 1, 2020, through October 31, 2022, are approved. 2. Duke Kentucky’s proposed base fuel cost of $0.033780 per kWh is approved. 3. Beginning with the expense month of June 2024, Duke Kentucky shall use a FAC rate based upon a base fuel cost of $0.033780 per kWh. 4. Duke Kentucky shall increase its base energy rates by $0.008379 per kWh for service rendered on and after June 1, 2024, to reflect the increase of $0.008379 per kWh to Duke Kentucky’s base fuel cost, which is the differential between the old base fuel cost of $0.025401 per kWh and the new base fuel cost of $0.033780 per kWh. 5. Within 20 days of the date of this Order, Duke Kentucky shall file, using the Commission's electronic Tariff Filing System, its revised tariff sheets with the Commission setting out the increase in its base energy rates discussed herein and reflecting that they were approved pursuant to this Order. 6. This case is closed and removed from the Commission's docket.

Order Entered: 1. The charges and credits billed by Duke Kentucky through its FAC from May 1, 2021, through October 31, 2021, are approved. 2. The charges and credits billed by Duke Kentucky through its FAC from November 1, 2021, through April 30, 2022, are approved. 3. A copy of this Order shall be entered into the record in Case Nos. 2022-00040 and 2022-00267.

20240229_PSC Notice of Filing Hearing Documents - January 4, 2024.pdf

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

Minna Sunderman Rocco DAscenzo

Data Request

Order Entered: 1. Post-hearing requests for information shall be filed on or before January 11, 2024. 2. Responses to post-hearing requests for information shall be filed on or before January 25, 2024.

Duke Energy Kentucky, Inc.s Publication of Hearing Notice and Affidavit

Minna Sunderman Duke Energy Kentucky, Inc.

Order Entered: 1. Duke Kentucky’s September 22, 2023, October 20, 2023, and November 29, 2023 petitions for confidential treatment are granted. 2. The designated material granted confidential treatment by this Order shall not be placed in the public record or made available for public inspection for ten years or until further order of this Commission. 3. Use of the designated material granted confidential treatment by this Order in any Commission proceeding shall comply with 807 KAR 5:001, Section 13(9). 4. Duke Kentucky shall inform the Commission if the designated material granted confidential treatment by this Order becomes publicly available or no longer qualifies for confidential treatment. 5. If a nonparty to this proceeding requests to inspect the material granted confidential treatment by this Order and the period during which the material has been granted confidential treatment has not expired, Duke Kentucky shall have 30 days from receipt of written notice of the request to demonstrate that the material still falls within the exclusions from disclosure requirements established in KRS 61.878. If Duke Kentucky is unable to make such demonstration, the requested material shall be made available for inspection. Otherwise, the Commission shall deny the request for inspection.

Duke Energy Kentucky, Inc.s Request for Publication of Hearing Notice

Minna Sunderman Duke Energy Kentucky, Inc.

Revised Response of Duke Energy Kentucky, Inc. to Commission Staffs First Request for Information

Minna Sunderman Duke Energy Kentucky, Inc.

Certain Revised Responses of Duke Energy Kentucky, Inc. to Commission Staffs First Request for Information

Minna Sunderman Rocco DAscenzo

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

Minna Sunderman Rocco DAscenzo

Order Entered: 1. A hearing in this matter shall be held on January 4, 2024, at 9 a.m. Eastern Standard Time and continuing until called from the bench by the presiding officer, in the Richard Raff Hearing Room at the offices of the Public Service Commission at 211 Sower Boulevard, Frankfort, Kentucky. 2. Pursuant to 807 KAR 5:001, Section 2, if the hearing is not concluded on the designated day, the hearing may be continued upon verbal announcement by the presiding officer. A verbal announcement made by the presiding officer shall be proper notice of the continued hearing. 3. Witnesses who sponsor schedules, testimony, or responses to requests for information shall participate in person at the January 4, 2024 hearing. 4. Duke Energy Kentucky, Inc. (Duke Kentucky) shall give notice of the hearing in compliance with 807 KAR 5:001, Section 9(2)(b).

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

Minna Sunderman Rocco DAscenzo

Data Request

Corrected Petition for Confidential lnformation

Deborah Gates Rocco DAscenzo

Duke Energy Kentucky, Inc. hereby submits its responses to Staffs 2nd request for information

Deborah Gates Rocco DAscenzo

Order Entered: 1. Duke Kentucky’s motion to file testimony out-of-time is granted. 2. All other provisions of the Commission’s September 6, 2023 Order remain in full force and effect.

Data Request

Duke Energy Kentucky, Inc.s Motion for Leave to File Testimony Instanter and Direct Testimony

Minna Sunderman Rocco DAscenzo

Duke Energy Kentucky, Inc. hereby submits Testimony and Responses to Staffs First Request for Information

Deborah Gates Rocco DAscenzo

Order Entered: 1. The procedural schedule set forth in Appendix A to this Order shall be followed. 2. On or before the date set forth in the procedural schedule, Duke Kentucky shall file its responses to the Commission Staff’s request for information, attached to this Order as Appendix B. 3. Duke Kentucky shall respond to any additional requests for information propounded by Commission Staff as provided in those requests. 4. Duke Kentucky shall file with the Commission, no later than the date set forth in the procedural schedule attached as Appendix A, written direct testimony of the witnesses Duke Kentucky intends to call at the scheduled hearing in this matter.