Docket No. ER21-2106-000

FEDERAL ENERGY REGULATORY COMMISSION

WASHINGTON, D.C. 20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System Operator, Inc. and Niagara Mohawk Power Corporation

Docket No. ER21-2106-000

Issued: August 5, 2021

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:Amended and Restated Large Generator Interconnection Agreement

On June 9, 2021, New York Independent System Operator, Inc. (NYISO) and Niagara Mohawk Power Corporation d/b/a National Grid (National Grid) (collectively, Filing Parties), submitted an executed Amended and Restated Large Generator Interconnection Agreement among NYISO, National Grid, and Ball Hill Wind Energy, LLC (Ball Hill) (Amended Agreement), designated as Service Agreement No. 2473 under the NYISO Open Access Transmission Tariff (OATT).[1] Filing Parties state that the Amended Agreement conforms to the pro forma Large Generator Interconnection Agreement in Attachment X of NYISO’s OATT, with limited non-conforming exceptions that were previously accepted by the Commission for the prior version of the Amended Agreement [2] to reflect changes to the project’s commercial operation date and the turbines for Ball Hill’s wind farm facility, among additional modifications.

Pursuant to the authority delegated to the Director, Office of Energy Market Regulation – East, under 18 C.F.R. § 375.307, your submittal is accepted for filing, effective May 27, 2021, as requested.[3]

The filing was noticed on June 9, 2021, with comments, interventions, and protests due on or before June 30, 2021. 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 National Grid.

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

[1] New York Independent System Operator, Inc., FERC FPA Electric Tariff, NYISO Agreements, Agreement No. 2473, LGIA among NYISO, National Grid, and Ball Hill Wind Energy, 1.0.0.

[2] See New York Independent System Operator and Niagara Mohawk Power Corporation d/b/a National Grid, Docket No. ER19-2665-000 (October 16, 2019) (delegated letter order).