Kentucky Public Service Commission

Final Order Entered: 1. Kentucky Power’s request to submit this case for a decision on the existing evidence of record without a hearing is granted. 2. The amounts billed to customers by Kentucky Power’s through its environmental surcharge for the billing periods ending December 31, 2019, June 30, 2020, December 31, 2020, December 31, 2021, June 30, 2022, and December 31, 2022, and the two-year review of Kentucky Power’s environmental surcharge for billing periods ending June 30, 2021, and June 30, 2023, are approved. 3. Kentucky Power's determination that it had an under-recovery of $295,255 for the review period is approved and Kentucky Power shall collect the under-recovery of $295,255 in the first month subsequent to the date of this Order. 4. Kentucky Power shall use a weighted average cost of capital of 6.11 percent and a tax gross-up factor of 1.352731, a return on equity rate of 9.10 percent, and an overall grossed-up return of 7.50 percent in all monthly environmental surcharge filings subsequent to the date of entry of this Order. 5. This case is closed and removed from the Commission’s docket.

Kentucky Power Company’s Request To Submit Matter For Decision On The Written Record

Marilyn Michelle Caldwell Kentucky Power Company

Kentucky Power Company’s responses to Commission Staff’s March 8, 2024 data requests

Marilyn Michelle Caldwell Kentucky Power Company

Errata Direct Testimony of Lerah M. Kahn and Kentucky Power Company’s March 22, 2024 Supplemental Responses to Commission Staff’s data requests 1-1 and 1-8

Marilyn Michelle Caldwell Kentucky Power Company

Data Request

Order Entered: 1. The procedural schedule established on December 6, 2023, is amended. 2. The amended dates to the procedural schedule are set forth in the Appendix attached to this Order. 3. All provisions of the Commission’s December 6, 2023 Order that are in conflict with the provisions of this Order are vacated, and all other provisions not in conflict with the provisions of this Order shall remain in effect.

Order Entered: nunc pro tunc, that: 1. The case style is amended to read: An Electronic Examination by the Public Service Commission of the Environmental Surcharge Mechanism of Kentucky Power Company for the Six-Month Billing Periods Ending December 31, 2019, June 30, 2020, December 31, 2020, December 31, 2021, June 30, 2022, and December 31, 2022, and the Two-Year Billing Periods Ending June 30, 2021 and June 30, 2023 2. The first full paragraph on page 2 of the Order is stricken and is replaced with the following language: On its own motion, the Commission initiates (1) the six-month review of Kentucky Power’s environmental surcharge for the expense periods ending December 31, 2019, June 30, 2020, December 31, 2020, December 31, 2021, June 30, 2022, and December 31, 2022, and (2) the two-year review of Kentucky Power’s environmental surcharge for expense periods ending June 30, 2021, and June 30, 2023. 3. The first ordering paragraph is stricken and replaced with the following language: This proceeding is initiated to review Kentucky Power’s environmental surcharge for the billing periods set forth in this Order. 4. In Appendix B, Commission Staff’s First Request for Information to Kentucky Power, the first sentence in Item 1 is stricken and is replaced with the following language: Prepare a summary schedule showing the calculation of E(m) and the surcharge factor for the expense months covered by the billing periods under review.

Kentucky Power Company filing Direct Testimony and Responses to Commission Staff’s December 6, 2023 Data Requests

Marilyn Michelle Caldwell Kentucky Power Company

Notice of Entry of Appearance of Counsel and Written Statement of Kentucky Power Company

Marilyn Michelle Caldwell Kentucky Power Company

Order Entered: 1. This proceeding is initiated to review Kentucky Power’s environmental surcharge for the expense periods set forth in this Order. 2. The procedural schedule set forth in Appendix A to this Order shall be followed. 3. On or before the date set forth in the procedural schedule, Kentucky Power shall file its responses to the information requested in Appendix B attached to this Order. 4. Kentucky Power shall respond to any additional requests for information propounded by Commission Staff as provided in those requests. 5. Unless otherwise ordered by the Commission, the procedures set forth in 807 KAR 5:001, Section 8, related to the service and electronic filing of papers shall be followed in this proceeding.