FEDERAL ENERGY REGULATORY COMMISSION
WASHINGTON, D.C.  20426

OFFICE OF ENERGY MARKET REGULATION

New York Independent System

Operator, Inc.

Docket No. ER17-830-000

Issued:  2/21/17

New York Independent System Operator, Inc.

10 Krey Boulevard

Rensselaer, New York 12144

Attention:Sara B. Keegan

Senior Attorney

Reference:    Interconnection Tariff Revisions Dear Ms. Keegan:

On January 23, 2017, New York Independent System Operator, Inc. (NYISO)

filed proposed revisions to the interconnection procedures set forth in Attachments S

(section 25) and X (section 30) of its Open Access Transmission Tariff (OATT).1

NYISO states that the proposed revisions improve upon the interconnection study process by providing developers with additional flexibility in addressing the regulatory milestone requirement that must be met for a project to enter into a Class Year Interconnection
Facilities Study.

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 February 22, 2017, as requested.

The filing was noticed on January 25, 2017, with comments, interventions, and
protests due on or before February 2, 2017.  Pursuant to Rule 214 (18 C.F.R. § 385.214

1 New York Independent System Operator, Inc., NYISO Tariffs, NYISO OATT, Open Access Transmission Tariff (OATT), 0.0.0, NYISO OATT, 25 OATT Attachment S - Rules To Allocate Responsibility For, 0.0.0, and NYISO OATT, 25.6 OATT Att S Cost Allocation Methodology For ERIS, 4.0.0

Docket Nos. ER17-830-0002

(2016)), 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.

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