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 corporate filings: Docket Numbers: EC26-83-000. Applicants: Tait Electric Generating Station, LLC, Lee County Generating Station, LLC, Hull Street Energy, LLC. ( printed page 37103) Description: Supplement to 04/03/2026, Joint Application for Authorization Under Section 203 of the Federal Power Act of Tait Electric Generating Station, LLC, et al. Filed Date: 6/15/26. Accession Number: 20260615-5183. Comment Date: 5 p.m. ET 6/25/26. Docket Numbers: EC26-109-000. Applicants: Tom Sawyer Solar, LLC, Union Electric Company d/b/a Ameren Missouri. Description: Joint Application for Authorization Under Section 203 of the Federal Power Act of Tom Sawyer Solar, LLC, et al. Filed Date: 6/15/26. Accession Number: 20260615-5181. Comment Date: 5 p.m. ET 7/30/26. Docket Numbers: EC26-110-000. Applicants: FirstLight Power Management LLC, FirstLight CT Housatonic LLC, FirstLight MA Hydro LLC, Northfield Mountain LLC, Hull Street Energy, LLC. Description: Joint Application for Authorization Under Section 203 of the Federal Power Act of FirstLight Power Management LLC, et al. Filed Date: 6/15/26. Accession Number: 20260615-5184. Comment Date: 5 p.m. ET 7/30/26. Take notice that the Commission received the following electric rate filings: Docket Numbers: ER26-1929-001. Applicants: Tri-State Generation and Transmission Association, Inc. Description: Tariff Amendment: Deficienc…