LG&E Gas Line Tracker Rate Adjustment Request - Data Request

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

COMMISSION STAFF'S FIRST REQUEST FOR INFORMATION TO LOUISVILLE GAS AND ELECTRIC COMPANY Louisville Gas and Electric Company (LG&E), 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 20, 2026. The Commission directs LG&E to the Commission's July 22, 2021 Order in Case No. 2020-00085 regarding filings with the 1 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-119 (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 ELECTRONIC APPLICATION OF LOUISVILLE ) 5:001, Section 8).

GAS AND ELECTRIC COMPANY FOR ) CASE NO. APPROVAL OF REVISED GAS LINE TRACKER ) 2026-00052 RATES EFFECTIVE FOR SERVICES ) RENDERED ON AND AFTER MAY 1, 2026 )

response is true and accurate to the best of that person's knowledge, information, and belief formed after a reasonable inquiry. LG&E shall make timely amendment to any prior response if LG&E 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 LG&E fails or refuses to furnish all or part of the requested information, LG&E 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, LG&E 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, Exhibit 3, page 3, which identifies the August 2025 Rate Base as $110,573,301 and Net Asset value as $87,118,363. Refer also to the supplemental response filed on August 25, 2025, in Case No. 2025-00114 (Attachment 2 to Q54, Tab B-1.1 B), which lists Utility Plant at Original Cost and Net Plant Deductions

Case No. 2025-00114 Electronic Application of Louisville Gas and Electric Company for an 2Adjustment of Its Electric and Gas Rates and Approval of Certain Regulatory and Accounting Treatments.

-2- Case No. 2026-00052

for the Gas Line Tracker (GLT) Adjustment Clause as $110,475,478 and $86,971,476, respectively. Reconcile these two sets of figures and explain the specific factors driving the variance between the referenced amounts.

1. Refer to Application, Exhibit 3, page 3, which identifies the December 2025
   Rate Base as $115,747,404 and Accumulated Depreciation as ($13,071,614). Refer also to Exhibit 4, page 1, which identifies Gas Plant Investment (net) as $113,971,164 and Accumulated Depreciation (net) as ($11,665,018) for the same period. Reconcile these figures and explain the specific accounting treatments or adjustments that result in the difference between these two exhibits.

2. Refer to Application, Exhibit 4, page 1, which identifies a total Net Rate Base
   of $99,516,665 for 2026. Refer also to Case No. 2025-00114 , supplemental response 3 filed on August 25, 2025 (Attachment to Q54, Tab SCH J-1.1|J-1.2, page 4), which identifies a GLT Rate Base of $98,883,227. Reconcile these two figures and explain the specific factors or adjustments driving the difference between these two reported amounts.

Case No. 2025-00114 Electronic Application of Louisville Gas and Electric Company for an 3Adjustment of Its Electric and Gas Rates and Approval of Certain Regulatory and Accounting Treatments.

-3- Case No. 2026-00052

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

APR 02 2026DATED _____________________

cc: Parties of Record

Case No. 2026-00052

Service List for 2026-00052

• Andrea M. Fackler Manager, Revenue Requirement LG&E and KU Energy LLC 220 West Main Street Louisville, KY 40202
• Honorable Allyson K Sturgeon Vice President and Deputy General Counsel-Regulatory and PPL LG&E and KU Energy LLC 220 West Main Street Louisville, KY 40202
• Robert Conroy Vice President, State Regulation and Rates LG&E and KU Energy LLC 220 West Main Street Louisville, KY 40202
• Louisville Gas and Electric Company 820 West Broadway Louisville, KY 40203
• Denotes served by Email