FEDERAL ENERGY REGULATORY COMMISSION

WASHINGTON, DC  20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System Operator, Inc.

Docket No. ER25-1998-002

Issued:  October 1, 2026

On August 19, 2026, as amended on August 31, 2026, New York Independent System Operator, Inc. submitted revisions to the Market Administration and Control Area Services Tariff[1] to establish an effective date in compliance with the directive of a July 2, 2025 Commission order.[2]  Pursuant to authority delegated to the Director, Division of Electric Power Regulation – East under 18 C.F.R. § 375.307, the submittal is accepted for filing, effective September 16, 2026, as requested.

The filing was publicly noticed.  No protests or adverse comments were filed.  Pursuant to Rule 214 of the Commission’s regulations (18 C.F.R. § 385.214), notices of intervention, timely-filed motions to intervene, and any unopposed motions to intervene out-of-time filed before the issuance date of this order are granted. 
 

This action does not constitute approval of any service, rate, charge, classification, or any rule, regulation, contract, or practice affecting such rate or service provided for in the filed document(s); nor shall such action be deemed as recognition of any claimed contractual right or obligation affecting or relating to such service or rate; and such action is without prejudice to any findings or orders which have been or may hereafter be made by the Commission in any proceeding now pending or hereafter instituted by or against the applicant(s).

This order constitutes final agency action.  Requests for rehearing by the Commission may be filed within 30 days of the date of issuance of this order, pursuant to 18 C.F.R. § 385.713.

Issued by:  Leanne Khammal, Acting Director, Division of Electric Power Regulation – East

[1] New York Independent System Operator, Inc., NYISO Tariffs, NYISO MST, 2.21 MST Definitions - U (10.0.0)              ; NYISO MST, 15.4 MST Rate Schedule 4 - Payments for Supplying Operating (43.0.0).

[2] New York Indep. Sys. Operator, Inc., 192 FERC ¶ 61,021 (2025).