Combined Notice of Filings #1

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Energy Federal Energy Regulatory Commission Take notice that the Commission received the following electric rate filings: Docket Numbers: ER10-1874-019; ER19-9-013; ER18-97-006; ER13-291-007; ER10-2201-008. Applicants: Marina Energy, LLC, EnergyMark, LLC, MS Solar 3, LLC, Mankato Energy Center II, LLC, Mankato Energy Center, LLC. Description: Response to 07/01/2024, Deficiency Letter of Mankato Energy Center, LLC, et al. Filed Date: 4/2/26. Accession Number: 20260402-5266. Comment Date: 5 p.m. ET 4/23/26. Docket Numbers: ER10-2564-015. Applicants: Tucson Electric Power Company. Description: Tucson Electric Power Company, et al. submit Response to 01/26/2026 Show Cause Order. Filed Date: 3/27/26. Accession Number: 20260327-5354. Comment Date: 5 p.m. ET 4/17/26. Docket Numbers: ER18-280-011. Applicants: Lee County Generating Station, LLC. Description: Compliance filing: Informational Filing Regarding Transfer of Ownership and Requests for Waiver to be effective N/A. Filed Date: 4/3/26. Accession Number: 20260403-5116. Comment Date: 5 p.m. ET 4/24/26. Docket Numbers: ER18-577-002. Applicants: Tait Electric Generating Station, LLC. Description: Compliance filing: Informational Filing Regarding Transfer of Ownership and Requests for Waiver to be effective N/A. Filed Date: 4/3/26. Accession Number: 20260403-5121. Comment Date: 5 p.m. ET 4/24/26. Docket Numbers: ER25-3182-001. Applicants: Elwood Energy LLC. Description: Compliance filing: Compliance Filing Regarding Ef…