Combined Notice of Filings #1 - Electric Rate Filings
Summary
FERC published a combined notice of filings listing 19 electric rate filings received in mid-April 2026. Filings include Section 205(d) rate schedule submissions, tariff amendments, compliance filings, and an initial market-based rate authority application by Hanwha Energy USA Holdings Corporation. Comment deadlines fall in early May 2026.
What changed
FERC published a combined notice of filings listing 19 electric rate filings received between April 15–16, 2026. These include rate schedule amendments, construction agreements, interconnection agreements, and tariff modifications filed by utilities including Tucson Electric Power, Southwest Power Pool, Midcontinent Independent System Operator, Alabama Power Company, Georgia Power Company, Avista Corporation, and NYISO, among others. One initial market-based rate authority application was also filed by Hanwha Energy USA Holdings Corporation.
Affected parties and intervenors may file protests or motions to intervene per 18 CFR 385.211, 385.214, and 385.206 on or before 5:00 p.m. ET on the specified comment dates (May 6 or May 7, 2026, depending on the docket). This is a routine administrative notice — it does not itself impose new compliance obligations or approve any rate changes.
Archived snapshot
Apr 21, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Notice
Combined Notice of Filings #1
A Notice by the Federal Energy Regulatory Commission on 04/21/2026
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Document Details
Document Dates
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- Public Inspection Published Document: 2026-07712 (91 FR 21282) Document Headings ###### Department of Energy
Federal Energy Regulatory Commission
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. ( printed page 21283)
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 OPP@ferc.gov.
Dated: April 16, 2026.
Carlos D. Clay,
Deputy Secretary.
[FR Doc. 2026-07712 Filed 4-20-26; 8:45 am]
BILLING CODE 6717-01-P
Published Document: 2026-07712 (91 FR 21282)
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