Kentucky Public Service Commission

Order Entered: 1. Duke Kentucky’s 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. 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.

Final Order Entered: 1. Duke Kentucky's back-up power supply plan (Alternative B), as described in its application, is approved as described herein for PJM delivery years of June 1, 2021 through May 31, 2022; 2. Duke Kentucky’s back-up power supply plan, as described in its application, is denied for the PJM delivery years of June 1, 2022 through May 31, 2023; and June 1, 2023 through May 31, 2024. 3. Duke Kentucky shall submit any future back-up supply plans for review and approval no later than 90 days prior to the intended effective date of the new plan as well as support as to why a back-up power supply plan is necessary or, in the alternative, submit supporting documentation as to why a back-up power supply plan is no longer necessary. 4. This case is closed and removed from the Commission’s docket.

Duke Energy Kentucky, Inc.s Request to Submit the Case on the Record

Minna Sunderman Rocco DAscenzo

Order Entered: 1. Duke Kentucky’s 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. 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.

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

Minna Sunderman Rocco DAscenzo

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

Minna Sunderman Rocco DAscenzo

Data Request

Application to Duke Energy Kentucky, Inc.s Back-Up Power Supply Plan

Deborah Gates Rocco DAscenzo

Order Entered: 1. The procedural schedule set forth in the Appendix, which is attached hereto and incorporated herein, shall be followed. 2. a. Responses to requests for information shall be appropriately bound, tabbed, and indexed, with the original and an electronic version to the Commission. The Commission expects the original documents to be filed with the Commission within 30 days of the lifting of the current state of emergency. Electronic documents shall be in portable document format (PDF), shall be searchable, and shall be appropriately bookmarked. Each response shall include the name of the witness responsible for responding to the questions related to the information provided. b. Each response shall be answered under oath or, for representatives of a public or private corporation or a partnership or an association or a governmental agency, be accompanied by a signed certification of the preparer or person supervising the preparation of the response on behalf of the entity that the response is true and accurate to the best of that person’s knowledge, information, and belief formed after a reasonable inquiry.

Order Entered: 1. Duke Kentucky’s 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 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.

Duke Energy Kentucky, Inc. hereby submits an application In the Matter of: The Backup Power Supply Plan

Deborah Gates Rocco DAscenzo

20210219_PSC Acknowledgment Letter.pdf

Duke Energy Kentucky, Inc. Notice of Intent to File an Application for Its Back-Up Power Supply Plan Using Electronic Filing Procedures