Docket No. ER20-590-000- 2 -

FEDERAL ENERGY REGULATORY COMMISSION

WASHINGTON, D.C. 20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System Operator, Inc.

Niagara Mohawk Power Corporation

Docket No. ER20-590-000

Issued: February 10, 2020

Christopher J. Novak, Esq.

National Grid USA Service Company, Inc.

40 Sylvan Road

Waltham, MA 02451

Reference:Cost Reimbursement Agreement

On December 13, 2019, Niagara Mohawk Power Corporation (Niagara Mohawk) filed a Cost Reimbursement Agreement (Reimbursement Agreement) between Niagara Mohawk and Northbrook Lyons Falls LLC (Northbrook), designated as Service Agreement No. 2499 under New York Independent System Operator Inc.’s (NYISO) Open Access Transmission Tariff.[1] Niagara Mohawk states that the Reimbursement Agreement facilitates the performance of certain work that Northbrook requested Niagara Mohawk to do, specifically, the removal of an existing obsolete remote terminal unit board and an existing gateway device at a substation owned by Niagara Mohawk and the replacement of this equipment with updated equipment that allows for a secure connection to enable the transfer of non-billing meter data to NYISO.

Pursuant to the authority delegated to the Director, Division of Electric Power Regulation – East, under 18 C.F.R. § 375.307, your submittal is accepted for filing, effective November 15, 2019, as requested.

The filing was noticed on December 13, 2019, with comments, interventions, and protests due on or before January 3, 2020. Pursuant to Rule 214 (18 C.F.R. § 385.214 (2019)), to the extent that any timely filed motions to intervene and any motion to intervene out-of-time were filed before the issuance date of this order, such interventions are granted. Granting late interventions at this stage of the proceeding will not disrupt the proceeding or place additional burdens on existing parties.

This acceptance for filing shall not be construed as constituting approval of the referenced filing or of any rate, charge, classification, or any rule, regulation, or practice affecting such rate or service contained in your filing; nor shall such acceptance be deemed as recognition of any claimed contractual right or obligation associated therewith; and such acceptance 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 Niagara Mohawk.

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