10 Krey Boulevard   Rensselaer, NY  12144

December 19, 2013

By Electronic Delivery

Hon. Kimberly D. Bose, Secretary

Federal Energy Regulatory Commission 888 First Street, NE

Washington, DC 20426

Re:    New York Independent System Operator, Inc.’s Informational Filing Regarding
the Simultaneous Import Limitation Study, Docket No. AD10-2

Dear Secretary Bose:

In accordance with Commission Order 6971 and Commission staff direction, the New York Independent System Operator, Inc. (“NYISO”) respectfully submits, for informational purposes, the attached presentation titled “NYISO 2012 Simultaneous Import Limit
Determination.” The data in this presentation was compiled by the NYISO in order to assist the New York Transmission Owners in fulfilling their obligations associated with Commission Order No. 697.  This presentation details the NYISO seasonal Simultaneous Import Limits for 2012, along with the methodology used in developing these limit levels.  A draft of this
presentation was provided to the New York Transmission Owners to support their filing
obligations, and was also reviewed with FERC staff prior to this filing.

The NYISO respectfully requests that the Commission accept this informational report. If you have any questions please do not hesitate to contact the undersigned.

Respectfully Submitted,

/s/ James H. Sweeney

James H. Sweeney Attorney

New York Independent System Operator, Inc.

10 Krey Blvd.

Rensselaer, New York 12144 (518) 356-7659

cc:Raymond Stalter

1 Market-Based Rates for Wholesale Sales of Electric Energy, Capacity And Ancillary Services By Public Utilities, Final Rule, Order No. 697, 119 FERC ¶ 61,295 (June 21, 2007).