10 Krey Boulevard     Rensselaer, NY  12144

June 9, 2011

By Electronic Delivery

Honorable Kimberly D. Bose, Secretary Federal Energy Regulatory Commission 888 First Street, NE

Washington, DC 20426

Re:    TC Ravenswood, LLC v. New York Independent System Operator, Inc.,
Docket No. EL10-70-000:  Compliance Filing of Tariff Revisions
Accepted in Settlement

Dear Secretary Bose:

In compliance with the Commission’s May 12, 2011 Letter Order1 approving the Offer of Settlement in the above docket, the New York Independent System Operator, Inc. (“NYISO”) respectfully submits a revised tariff record in eTariff format.  This record reflects, identically, the amendments to Section 4.1.9 of the NYISO’s Market
Administration and Control Area Services Tariff that were approved by the Commission in its May Order, to be effective May 1, 2011.

I.Documents Submitted

1.This filing letter;

2.A clean version of the proposed revisions to the NYISO’s Services Tariff

(“Attachment I”); and

3.A blacklined version of the proposed revisions to the NYISO’s Services

Tariff (“Attachment II”).

1 TC Ravenswood, LLC v. New York Independent System Operator, Inc., 135 FERC ¶ 61,125 (2011) (“May
Order”).

Kimberly D. Bose, Secretary June 9, 2011

Page 2

II.Effective Date

In its May Order the Commission directed the NYISO to file “identical revised tariff records in eTariff format to be effective May 1, 2011.”  Accordingly, the NYISO designates an effective date for these tariff amendments of May 1, 2011.

III.Service

Copies of this filing are being served on all parties designated on the official

service list maintained by the Secretary of the Commission in this proceeding.  The

NYISO will also send an electronic link to this filing to the official representative of each
of its customers, to each participant on its stakeholder committees, to the New York
Public Service Commission and to the New Jersey Board of Public Utilities.  In addition,
the complete filing will be posted on the NYISO’s website at www.nyiso.com.

IV. Communications and Correspondence

All communications and services in this proceeding should be directed to:

Robert E. Fernandez, General Counsel

Raymond Stalter, Director of Regulatory Affairs
* Mollie Lampi, Assistant General Counsel
New York Independent System Operator, Inc.

10 Krey Boulevard

Rensselaer, NY 12144
Tel:  (518) 356-7530
Fax:  (518) 356-7678

rfernandez@nyiso.com
rstalter@nyiso.com
mlampi@nyiso.com

* Persons designated for receipt of service.

Kimberly D. Bose, Secretary June 9, 2011

Page 3

V.Conclusion

Wherefore, for the foregoing reasons, the New York Independent System

Operator, Inc., respectfully requests that the Commission accept this compliance filing with a May 1, 2011 effective date for the tariff revisions.

Respectfully Submitted,

/s/ Mollie Lampi

Mollie Lampi

Assistant General Counsel

New York Independent System Operator, Inc.

10 Krey Boulevard

Rensselaer, NY 12144 (518) 356-7530

mlampi@nyiso.com

cc:Jignasa Gadani

Michael Bardee
Gregory Berson
Connie Caldwell
Anna Cochrane
Lance Hinrichs
Jeffrey Honeycutt

Michael McLaughlin
Kathleen E. Nieman
Daniel Nowak

Rachel Spiker

CERTIFICATE OF SERVICE

I hereby certify that I have this day served the foregoing document upon each person

designated on the official service list compiled by the Secretary in this proceeding in accordance with the requirements of Rule 2010 of the Rules of Practice and Procedure, 18 C.F.R. §385.2010.
Dated at Rensselaer, NY this 9th day of June, 2011.

/s/ Joy Zimberlin

Joy Zimberlin

New York Independent System Operator, Inc

10 Krey Blvd.

Rensselaer, NY 12114 (518) 356-6207