November 26, 2019
By Electronic Delivery
Honorable Kimberly D. Bose, Secretary Federal Energy Regulatory Commission 888 First Street, NE
Washington, D.C. 20426
Re: Response to Deficiency Letter in Docket No. ER19-2276-___
Dear Ms. Bose:
The New York Independent System Operator, Inc. (“NYISO”) submits this response to
the Federal Energy Regulatory Commission’s (“Commission”) second deficiency letter issued in
this proceeding on October 30, 2019 (“Second Deficiency Letter”). The Second Deficiency
Letter directs the NYISO to respond to seven enumerated questions regarding the NYISO’s June
27, 2019 filing in this proceeding (the “June 27 Filing”), as amended on September 18, 2019.1
Responses to each of the Commission’s questions are provided in Attachment I to this letter.
In addition to the attached responses to the Commission’s questions, the NYISO submits
a clean version of the NYISO’s Open Access Transmission Tariff Section 1.1 that was submitted
with the June 27 Filing.2 The NYISO requests that the Commission issue an order accepting all
of the tariff revisions proposed in the June 27 Filing within 60 days of the date of this response.
The NYISO will send an electronic link to this filing to the official representative of each
party to this proceeding, to the official representative of each of its customers, to each participant
on its stakeholder committees, to the New York State Public Service Commission, and to the
1 New York Indep. Sys. Operator, Inc., Proposed Tariff Revisions Regarding Establishment of Participation Model for Aggregations of Resources, Including Distributed Energy Resources, and Proposed Effective Dates,
Docket No. ER19-2276 (June 27, 2019) (“June 27 Filing”).
2 Second Deficiency Letter at n. 4. For purpose of this filing, Attachment II contains the tariff section, assigned the same effective date as that requested in the June 27 Filing.
