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January 8, 2021
By Electronic Delivery
Honorable Kimberly D. Bose, Secretary Federal Energy Regulatory Commission 888 First Street, NE
Washington, DC 20426
Re: New York Independent System Operator, Inc., Errata to correct tariff language
and effective date in NYISO’s Second Compliance Filing; Docket No. ER16-
1404-005
Dear Secretary Bose:
The New York Independent System Operator, Inc. (“NYISO”) hereby submits this errata filing in the above-captioned proceeding.1 As filed, the tariff revisions proposed in the NYISO’s filing on December 22, 2020, “Second Compliance Filing” modify the NYISO’s Self Supply Exemption (“SSE”) under the NYISO’s buyer-side capacity market power mitigation rules (the “BSM Rules”2) in accordance with the directives of the February 20 Order.3
The Second Compliance Filing was noticed by the Commission on December 22, 2020. On the same date, the NYISO submitted an errata filing to correct two of the tariff records that contained minor errors in the Second Compliance Filing. This errata filing proposes to correct additional minor errors contained in the tariff record for the SSE.
I.Documents Submitted with this Filing Letter
1.A redlined version of the NYISO’s Services Tariff Section 23.4.5.7.14 to replace
the version filed December 22, 2020 (“Attachment I”);
2.A clean version of the replacement version of Section 23.4.5.7.14 (“Attachment
II”); and
3. A clean version of the revisions to the Services Tariff proposed in this filing, with
the language filed in Docket No. ER17-2096 marked in italics (“Attachment III”).
1 New York Independent System Operator, Inc., Second Compliance Filing to Establish Self Supply Exemption, Docket No. ER16-1404-005 (December 22, 2020).
2 The BSM Rules are set forth in Attachment H (Section 23) of the NYISO’s Market Administration and Control Area Services Tariff (“Services Tariff”).
3 New York Independent System Operator, Inc., 170 FERC ¶ 61,121 (2020) (“February 20 Order”).
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