FEDERAL ENERGY REGULATORY COMMISSION
WASHINGTON, DC 20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System

Operator, Inc.

Niagara Mohawk Power Corporation Docket No. ER17-2051-000

Issued:  8/24/17

Niagara Mohawk Power Corporation

c/o National Grid USA Service Company, Inc.

40 Sylvan Road

Waltham, MA 02451

Attention:David Lodemore

Attorney for Niagara Mohawk Power Corporation

Reference:   Service Agreement No. 2345 Dear Mr. Lodemore:

On July 6, 2017, New York Independent System Operator, Inc. (NYISO) and

Niagara Mohawk Power Corporation (Niagara Mohawk) submitted a new Large

Generator Interconnection Agreement (LGIA) for interconnection service from Niagara Mohawk to Selkirk Cogen Partners, LP (Selkirk), designated as Service Agreement No. 2345.1  Niagara Mohawk states that the proposed LGIA replaces an existing
interconnection agreement, and follows the pro forma NYISO LGIA, with only minor, non-conforming variations.2

Pursuant to the authority delegated to the Director, Division of Electric Power Regulation - East, under 18 C.F.R. § 375.307 (2017), your submittal is accepted for filing, effective June 26, 2017, as requested.

1 New York Independent System Operator, Inc., NYISO Agreements, Agreement
No. 2345, LGIA No. 2345 between Niagara Mohawk and Selkirk Generation, 0.0.0.

2 Transmittal at 2.

Docket No. ER17-2051-000- 2 -

The filing was noticed on July 6, 2017, with comments, interventions, and protests due on or before July 27, 2017.  Pursuant to Rule 214 (18 C.F.R. § 385.214 (2017)), 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 (2017).

Sincerely,

Kurt M. Longo, Director Division of Electric Power Regulation - East