Docket No. ER23-907-000 1

FEDERAL ENERGY REGULATORY COMMISSION

WASHINGTON, DC 20426

OFFICE OF ENERGY MARKET REGULATION

Niagara Mohawk Power Corporation

Docket No.ER23-907-000

Issued: February 16, 2023

On January 20, 2023, Niagara Mohawk Power Corporation d/b/a National Grid (Niagara Mohawk) submitted revisions to its Transmission Service Charge (TSC) included in Attachment H to the New York Independent System Operator (NYISO) Open Access Transmission Tariff (OATT) to include a proration methodology for accumulated deferred income taxes, and correct typographical errors in its formula rate.[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 March 22, 2023, 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: Kurt M. Longo, Director, Division of Electric Power Regulation – East