Docket No. ER20-3001-000 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. ER20-3001-000

Issued: November 25, 2020

Sara B. Keegan

New York Independent System Operator, Inc.

10 Krey Boulevard

Rensselaer, NY 12144

Christopher J. Novak

National Grid

40 Sylvan Road

Waltham, MA 02451

Reference:Small Generator Interconnection Agreement No. 2557

On September 28, 2020, New York Independent System Operator, Inc. (NYISO) and Niagara Mohawk Power Corporation d/b/a National Grid (Niagara Mohawk) jointly filed an executed Small Generator Interconnection Agreement (SGIA) between NYISO, Niagara Mohawk, and Branscomb Solar, LLC (Branscomb), designated as Service Agreement No. 2557 under NYISO’s Open Access Transmission Tariff (OATT).[1] You state that the SGIA provides for the interconnection of the Branscomb solar generation facility to certain facilities of National Grid that are part of the New York State Transmission System. You also state that the SGIA contains language that does not conform to the language in the pro forma SGIA contained in Attachment Z of the NYISO OATT.

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 September 17, 2020, as requested.

The filing was noticed on September 28, 2020, with comments, interventions, and protests due on or before October 19, 2020. Pursuant to Rule 214 (18 C.F.R. § 385.214), 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 that have been or may hereafter be made by the Commission in any proceeding now pending or hereafter instituted by or against NYISO or 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