Duke Energy Kentucky Information Filing Deadline

COMMONWEALTH OF KENTUCKY BEFORE THE PUBLIC SERVICE COMMISSION In the Matter of:

COMMISSION STAFF’S FIRST REQUEST FOR INFORMATION

TO DUKE ENERGY KENTUCKY, INC. Duke Energy Kentucky, Inc. (Duke Kentucky), pursuant to 807 KAR 5:001, shall file with the Commission an electronic version of the following information. The information requested is due on April 10, 2026. The Commission directs Duke Kentucky to the Commission’s July 22, 2021, Order in Case No. 2020-00085 regarding filings with 1 the Commission. Electronic documents shall be in portable document format (PDF), shall be searchable, and shall be appropriately bookmarked. Each response shall include the question to which the response is made and shall include the name of the witness responsible for responding to the questions related to the information provided. Each response shall be answered under oath or, for representatives of a public or private corporation or a partnership or association or a governmental agency, be accompanied by a signed certification of the preparer or the person supervising the preparation of the response on behalf of the entity that the

Case No. 2020-00085, Electronic Emergency Docket Related to the Novel Coronavirus COVID-1

19 (Ky. PSC July 22, 2021), Order (in which the Commission ordered that for case filings made on and after

March 16, 2020, filers are NOT required to file the original physical copies of the filings required by 807 KAR 5:001, Section 8).

ELECTRONIC APPLICATION OF DUKE ENERGY ) KENTUCKY, INC. FOR APPROVAL OF AN ) CASE NO. ECONOMIC DEVELOPMENT SPECIAL ) 2026-00012 CONTRACT )

response is true and accurate to the best of that person’s knowledge, information, and

belief formed after a reasonable inquiry. Duke Kentucky shall make timely amendment to any prior response if Duke Kentucky obtains information that indicates the response was incorrect or incomplete when made or, though correct or complete when made, is now incorrect or incomplete in any material respect. For any request to which Duke Kentucky fails or refuses to furnish all or part of the requested information, Duke Kentucky shall provide a written explanation of the specific grounds for its failure to completely and precisely respond. Careful attention shall be given to copied and scanned material to ensure that it is legible. When the requested information has been previously provided in this proceeding in the requested format, reference may be made to the specific location of that information in responding to this request. When applicable, the requested information shall be separately provided for total company operations and jurisdictional operations. When filing a paper containing personal information, Duke Kentucky shall, in accordance with 807 KAR 5:001, Section 4(10), encrypt or redact the paper so that personal information cannot be read.

1. Refer to the Application, pages 6-7. Provide Duke Kentucky’s 2026 Report
   filed in Administrative Case No. 387 (2026 report). If the report has not been filed, state when Duke Kentucky expects to file that report. This request is ongoing, and Duke Kentucky should update this response until such time as a final Order is issued.

2. State whether, based on Duke Kentucky’s 2026 report, Duke Kentucky has
   sufficient excess capacity to serve the expected load in this special development contract

-2- Case No. 2026-00012

for each year of the contract without falling below its projected reserve margin for that period. This request is ongoing, and Duke Kentucky should supplement its response until such time as a final Order is issued.

1. Refer to Application, page 8, subsection v, Finding 7. Provide Duke

Kentucky’s annual report detailing revenues received and marginal costs from Economic

Development Riders

1. Refer to Application, page 10, subsection ix, Finding 11. Provide Duke

Kentucky’s 2026 Annual Report of its active Economic Development Rider contracts

pursuant to Administrative Case No. 327.

1. Refer to the Application, Exhibit A, page 4. State when the term for service
   under the agreement is expected to begin.

2. Refer to Application, Exhibit A, pages 3–4, Item 4 Customer
   Representations and Warranties. Explain what factors would impact the final count of full-time equivalent (FTE) employees and why there is a variance between the minimum FTE (55) employees and the projected (125) FTE employees.

________________________ Linda C. Bridwell, PE Executive Director Public Service Commission 211 Sower Blvd. Frankfort, KY 40601-8294

MAR 24 2026DATED _____________________

cc: Parties of Record

Case No. 2026-00012

*Duke Energy Kentucky, Inc. 139 East Fourth Street Cincinnati, OH 45202

*Larisa M. Vaysman Duke Energy Kentucky, Inc. 139 East Fourth Street Cincinnati, OH 45201

*Minna Sunderman Duke Energy Kentucky, Inc. 139 East Fourth Street Cincinnati, OH 45201

*Rocco O D'Ascenzo Duke Energy Kentucky, Inc. 139 East Fourth Street Cincinnati, OH 45201

*Sheena McGee Leach Duke Energy Kentucky, Inc. 139 East Fourth Street Cincinnati, OH 45201

*Denotes Served by Email Service List for Case 2026-00012