Kentucky Public Service Commission

Order Entered: 1. Duke Kentucky’s January 28, 2025 petition for confidential treatment is 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. If the designated material granted confidential treatment by this Order becomes publicly available or no longer qualifies for confidential treatment, Duke Kentucky shall inform the Commission and file with the Commission an unredacted copy of the designated material. 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.

Sierra Club’s Responses To Duke Energy Kentucky’s First Request For Information Propounded Upon The Sierra Club

Joe Childers Sierra Club

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

Minna Sunderman Rocco DAscenzo

Order Entered: 1. Duke Kentucky’s February 25, 2025 petition for confidential treatment for the entirety of the Attachment to Item 6(b); the entirety of Attachments 1 through 3 to Item 8; the highlighted information in Item 9; the entirety of Attachments 1 through 5 to Item 15; and the highlighted information contained in Item 17, Item 18, Item 19, Item 20, Item 28, and Item 32, is 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. If the designated material granted confidential treatment by this Order becomes publicly available or no longer qualifies for confidential treatment, Duke Kentucky shall inform the Commission and file with the Commission an unredacted copy of the designated material.

Order Entered: 1. Duke Kentucky’s March 19, 2025 petition for confidential treatment for the entirety of the Attachment to Item 3, and the highlighted portions of Item 8, in response to Staff’s Second Request is 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. If the designated material granted confidential treatment by this Order becomes publicly available or no longer qualifies for confidential treatment, Duke Kentucky shall inform the Commission and file with the Commission an unredacted copy of the designated material. 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.

20250411_PSC Receipt of Payment – Duke Energy Kentucky, Inc..pdf

Order Entered: 1. A hearing in this matter shall be held on May 28, 2025, at 9 a.m. Eastern Daylight Time and continuing until called from the bench by the presiding officer, 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 May 28, 2025 hearing. 4. The Commission does not look favorably upon motions to substitute witnesses or excuse witnesses from testifying at Commission hearings. Accordingly, motions to substitute witnesses or excuse a witness from testifying at a Commission hearing or from testifying in person at a Commission hearing shall be made in writing at least 14 days prior to the hearing and will be granted only upon a showing of good cause. 5. All parties shall file a witness list at least seven days prior to the hearing date. 6. Unless otherwise specifically ordered, all parties shall make any motions related to the hearing at least seven days prior to the hearing date.

Data Request

Duke Energy Kentucky, Inc.s First Request for Information Propounded Upon Sierra Club

Minna Sunderman Rocco DAscenzo

Sierra Clubs Direct Testimonoy of Dr. Ranajit Sahu

Joe Childers Sierra Club

Order Entered: 1. Duke Kentucky shall remit payment to the Commission for Vantage’s services rendered as a consultant to the Commission for the period from February 1, 2025, through February 28, 2025. 2. Duke Kentucky shall remit payment within 30 days of the date of service of this Order. 3. The payment shall be a check made payable to the Kentucky State Treasurer that is delivered or postmarked and mailed to the Office of General Counsel, Public Service Commission, P.O. Box 615, Frankfort, Kentucky 40602- 0615, before the deadline. 4. Duke Kentucky shall file notice of payment into the record.

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

Minna Sunderman Rocco DAscenzo

Duke Energy Kentucky, Inc.s Responses to Attorney Generals First Request for Information

Minna Sunderman Rocco DAscenzo

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

Minna Sunderman Duke Energy Kentucky, Inc.

Data Request

OAG Data Requests

Lawrence Cook Kentucky Office of the Attorney General

Duke Energy Kentucky, Inc. hereby submits its responses to STAFFs First Request for Information

Deborah L Gates Rocco DAscenzo

Duke Energy Kentucky, Inc. hereby submits its responses to Sierra Clubs First Request for Information

Deborah L Gates Rocco DAscenzo

Sierra Clubs First Set Of Requests For Information To Duke Energy Kentucky, Inc.

Joe Childers Sierra Club

Data Request

Order Entered: 1. The Attorney General and Sierra Club shall be granted intervention. 2. All filings made on or before September 27, 2024, in Case No. 2024-00197 shall be incorporated by reference into the record of this matter. 3. The record of Case No. 2024-00152 shall be incorporated by reference into the record of this matter in its entirety. 4. Re-admittance of Nathaniel Shoaff, Kristin Henry, and Cassandra McCrae pro hac vice is granted to the extent possible; however, nothing in this Order supersedes SCR 3.030 and the Kentucky Bar Association’s sole discretion on the matter. The grant of pro hac vice admission shall still be subject to appearance with a member of the Kentucky Bar Association. 5. The reimbursement process for consultants engaged by the Commission as outlined in this Order, and pursuant to KRS 278.183 shall be followed. 6. The procedural schedule set forth in the Appendix to this Order shall be followed. 7. Duke Kentucky shall respond to all requests for information propounded by Commission Staff, whether identified on the procedural schedule or otherwise, as provided in those requests.

20250130_PSC No Deficiency Letter.pdf

Duke Energy Kentucky, Inc.s Application and Request for Decision by June 30, 2025

Minna Sunderman Rocco DAscenzo

20250107_Acknowledge Receipt of Filing.pdf