20150821-3030 FERC PDF (Unofficial) 08/21/2015

FEDERAL ENERGY REGULATORY COMMISSION
WASHINGTON, DC 20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System Operator, Inc. and Niagara Mohawk Power Corporation Docket Nos. ER15-2127-000

ER15-2127-001

Issued: 8/21/15

Niagara Mohawk Power Corporation d/b/a National Grid

40 Sylvan Road

Waltham, MA 02451

Attention:Amanda C. Downey

Attorney for Niagara Mohawk Power Corporation d/b/a National Grid

Reference: Amended and Restated Large Generator Interconnection Agreement,
Service Agreement No. 1160

Dear Ms. Downey:

On July 8, 2014, you filed, on behalf of the New York Independent System

Operator (NYISO) and Niagara Mohawk Power Corporation, d/b/a National Grid,

(Niagara Mohawk), an Amended and Restated Large Generator Interconnection

Agreement (LGIA) between Niagara Mohawk and Sithe/Independence Power Partners,
L.P., designated as Service Agreement No. 11601 under the New York Independent
System Operator, Inc.’s Open Access Transmission Tariff (OATT). On July 17, 2015,
Niagara Mohawk filed an errata containing updated versions of the attachments to the
filing. You state that the LGIA is an agreement for the continued provision of
interconnection service and generally conforms to the pro forma large generator
interconnection agreement in Attachment X of the NYISO OATT, but contains
modifications to accommodate the particular circumstances of the parties’ 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,

1 New York Independent System Operator, Inc., NYISO Agreements, Agreement No. 1160, SA No. 1160 - Niagara Mohawk & Sithe Independence, 2.0.0.

20150821-3030 FERC PDF (Unofficial) 08/21/2015

Docket No. ER15-2127-001- 2 -

effective June 30, 2015, as requested.

The filing was noticed on July 8, 2015, as amended July 17, 2015, with comments, interventions, and protests due on or before July 29, 2015, and August 7, 2015,
respectively. 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,

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