Docket No. ER15-971-000 1

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. ER15-971-000

Issued: March 17, 2015

National Grid USA Service Company, Inc.

40 Sylvan Road

Waltham, MA 02451

New York Independent System Operator, Inc.

10 Krey Boulevard

Rensselaer, NY 12144

Alston & Bird LLP

950 F Street, NW

Washington, DC 20004

Attention: Amanda C. Downey, Esq.

Attorney for Niagara Mohawk Power Corporation

Sara B. Keegan, Esq.

Senior Attorney

Sean Atkins, Esq.

Attorney for Niagara Mohawk Power Corporation

Reference:Service Agreement No. 2204

Dear Mses. Downey and Keegan and Mr. Atkins:

On February 4, 2015, New York Independent System Operator, Inc. (NYISO) filed, on behalf of Niagara Mohawk Power Corporation (Niagara Mohawk), an interconnection agreement between Niagara Mohawk and the Village of Boonville (Boonville IA), dated January 15, 2015.[1] You state that the Boonville IA documents terms and conditions related to the interconnection of the Niagara Mohawk and Boonville systems and the manner in which Niagara Mohawk and Boonville will coordinate to ensure the ongoing reliability of the New York State Transmission System. You also state also that the Boonville IA is the first interconnection agreement filed with the Commission based on Niagara Mohawks’s final negotiated standard municipal interconnection agreement.

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 January 15, 2015, as requested.

The filing was noticed on February 4, 2015, and an errata notice was issued on February 6, 2015. Comments, interventions, and protests were due on or before February 25, 2015. Pursuant to Rule 214 (18 C.F.R. § 385.214 (2014)), 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 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.

Sincerely,

Daniel Nowak, Acting Director

Division of Electric Power

Regulation – East