Docket No. ER25-2382-000 1
FEDERAL ENERGY REGULATORY COMMISSION
WASHINGTON, DC 20426
OFFICE OF ENERGY MARKET REGULATION
New York Independent System Operator, Inc.
On May 30, 2025, New York Independent System Operator, Inc. (NYISO) submitted revisions to the Market Administration and Control Area Services Tariff (Tariff) to: (1) enhance the modeling of combined cycle gas turbine (CCGTs) generators with duct-firing capability; and (2) expand opportunities for CCGTs with duct-firing capability to provide Energy and Ancillary Services consistent with their physical operating capabilities.[1] 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 as requested. NYISO must notify the Commission of the effective date of the Tariff records at least two weeks prior to the effective date of the Tariff records.[2]
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.
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: Kurt M. Longo, Director, Division of Electric Power Regulation – East
Appendix – eTariff Records
New York Independent System Operator, Inc.
NYISO Tariffs