Docket No. ER20-671-000 1

FEDERAL ENERGY REGULATORY COMMISSION

WASHINGTON, DC 20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System Operator, Inc.

Niagara Mohawk Power Corporation

Docket No. ER20-671-000

Issued: February 20, 2020

Christopher J. Novak

National Grid USA Service Company, Inc.

40 Sylvan Road

Waltham, MA 02451

Reference:Acceptance of a Large Generator Interconnection Agreement Designated as Service Agreement No. 2500

On December 23, 2019, Niagara Mohawk Power Corporation (Niagara Mohawk) submitted a Large Generator Interconnection Agreement between Niagara Mohawk and Covanta Niagara I, LLC (Covanta Niagara) (Covanta Niagara LGIA).[1] Niagara Mohawk states that it and Covanta Niagara have entered into the Covanta Niagara LGIA to provide for continued interconnection service to a Covanta Niagara-owned generating facility using the transmission system owned by Niagara Mohawk. The parties intend for the Covanta Niagara LGIA to supersede an interconnection agreement to which Niagara Mohawk and Covanta Niagara were already parties.

Pursuant to the authority delegated to the Director, Division of Electric Power Regulation – East, under 18 C.F.R. § 375.307 (2019), your submittal is accepted for filing, effective November 26, 2019, as requested.

The filing was noticed on December 23, 2019, with comments, interventions, and protests due on or before January 13, 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 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