Combined Notice of Filings #1

---
identifier: "/us/fr/2026-07712"
source: "fr"
legal_status: "authoritative_unofficial"
title: "Combined Notice of Filings #1"
title_number: 0
title_name: "Federal Register"
section_number: "2026-07712"
section_name: "Combined Notice of Filings #1"
positive_law: false
currency: "2026-04-21"
last_updated: "2026-04-21"
format_version: "1.1.0"
generator: "[email protected]"
agency: "Energy Department"
document_number: "2026-07712"
document_type: "notice"
fr_citation: "91 FR 21282"
fr_volume: 91
publication_date: "2026-04-21"
agencies:
  - "Energy Department"
  - "Federal Energy Regulatory Commission"
---


#  Combined Notice of Filings #1

Take notice that the Commission received the following electric rate filings:

*Docket Numbers:* ER20-681-015; ER20-681-016.

*Applicants:* Tri-State Generation and Transmission Association, Inc.

*Description:* Supplement to 02/02/2026, Notice of Change in Status of Tri-State Generation and Transmission Association, Inc.

*Filed Date:* 4/15/26.

*Accession Number:* 20260415-5219.

*Comment Date:* 5 p.m. ET 5/6/26.

*Docket Numbers:* ER26-1500-001.

*Applicants:* Tucson Electric Power Company.

*Description:* Tariff Amendment: Amendment to Order 898 Compliance Filing ER26-1500 to be effective 4/27/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5129.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2216-000.

*Applicants:* Tucson Electric Power Company.

*Description:* § 205(d) Rate Filing: Amendment to Rate Schedule No. 359 to be effective 6/15/2026.

*Filed Date:* 4/15/26.

*Accession Number:* 20260415-5201.

*Comment Date:* 5 p.m. ET 5/6/26.

*Docket Numbers:* ER26-2217-000.

*Applicants:* Mid-Atlantic Interstate Transmission, LLC.

*Description:* § 205(d) Rate Filing: MAIT submits a new Construction Agmt—SA No. 7490 to be effective 6/16/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5023.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2218-000.

*Applicants:* Southwest Power Pool, Inc.

*Description:* § 205(d) Rate Filing: 4512R1 LRE Energy Services Market Participant Agreement to be effective 4/1/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5028.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2219-000.

*Applicants:* Southwest Power Pool, Inc.

*Description:* § 205(d) Rate Filing: 4492R1 Oklahoma Municipal Power Authority Market Participant Agreement to be effective 4/1/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5044.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2220-000.

*Applicants:* Midcontinent Independent System Operator, Inc.

*Description:* § 205(d) Rate Filing: 2026-04-16_SA 4740 ATC-Forest Junction Energy GIA (E0016) to be effective 4/8/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5067.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2221-000.

*Applicants:* Southwest Power Pool, Inc.

*Description:* § 205(d) Rate Filing: 3552R8 TEA and MEAN Meter Agent Agreement to be effective 4/1/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5072.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2222-000.

*Applicants:* APN Starfirst, LLC.

*Description:* Compliance filing: Rebaseline to new Tariff ID no company name—request cancel of old Tariff ID to be effective 4/16/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5100.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2223-000.

*Applicants:* American Powernet Management, LLC.

*Description:* Compliance filing: Rebaseline to new Tariff ID no company name—request cancel of old Tariff ID to be effective 4/16/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5103.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2224-000.

*Applicants:* Alabama Power Company, Georgia Power Company, Mississippi Power Company.

*Description:* Tariff Amendment: Alabama Power Company submits tariff filing per 35.15: Roxana Solar Project LGIA Termination Filing to be effective 4/16/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5105.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2225-000.

*Applicants:* Alabama Power Company, Georgia Power Company, Mississippi Power Company.

*Description:* Tariff Amendment: Alabama Power Company submits tariff filing per 35.15: Tri-State II Solar Project (Solar & Battery) LGIA Termination Filing to be effective 4/16/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5108.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2226-000.

*Applicants:* Oklahoma Gas and Electric Company.

*Description:* Compliance filing: Order No. 898 Compliance Filing to be effective 1/1/2025.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5128.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2227-000.

*Applicants:* Avista Corporation.

*Description:* § 205(d) Rate Filing: Avista Corp—Non-Conforming LGIA RS T-1255, Great Bend Wind LLC to be effective 11/6/2025.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5133.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2228-000.

*Applicants:* Avista Corporation.

*Description:* § 205(d) Rate Filing: Avista Corp—IPL Construction Agmt FERC RS T-1256 to be effective 10/28/2025.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5149.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2229-000.

*Applicants:* New York Independent System Operator, Inc., Niagara Mohawk Power Corporation.

*Description:* § 205(d) Rate Filing: New York Independent System Operator, Inc. submits tariff filing per 35.13(a)(2)(iii: NYISO-National Grid Joint 205: Amended SGIA Ticonderoga Solar SA2666 to be effective 4/2/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5163.

*Comment Date:* 5 p.m. ET 5/7/26.

*Docket Numbers:* ER26-2230-000.

*Applicants:* Hanwha Energy USA Holdings Corporation.

*Description:* Initial Rate Filing: Application for Market Based Rate Authority to be effective 4/17/2026.

*Filed Date:* 4/16/26.

*Accession Number:* 20260416-5203.

*Comment Date:* 5 p.m. ET 5/7/26.

The filings are accessible in the Commission's eLibrary system ( *https://elibrary.ferc.gov/idmws/search/fercgensearch.asp* ) by querying the docket number.

Any person desiring to intervene, to protest, or to answer a complaint in any of the above proceedings must file in accordance with Rules 211, 214, or 206 of the Commission's Regulations (18 CFR 385.211, 385.214, or 385.206) on or before 5:00 p.m. Eastern time on the specified comment date. Protests may be considered, but intervention is necessary to become a party to the proceeding.

eFiling is encouraged. More detailed information relating to filing requirements, interventions, protests, service, and qualifying facilities filings can be found at: *http://www.ferc.gov/docs-filing/efiling/filing-req.pdf.* For other information, call (866) 208-3676 (toll free). For TTY, call (202) 502-8659.

For public inquiries and assistance with making filings such as interventions, comments, or requests for rehearing, contact the Office of Public Participation at (202) 502-6595 or *[email protected].*

Dated: April 16, 2026.

Carlos D. Clay,

Deputy Secretary.