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INITIATIVE:
Generation deliverability assessment

Started: May 02, 2019

Leads
Robert Sparks

The ISO deliverability assessment methodology was developed for generation interconnection study purposes and is used in support of resource adequacy assessments. This methodology, last modified in 2009, has largely remained unchanged since its initial development in 2004. Through this initiative, the ISO will consider revisions to the methodology given the significant changes in the composition of the existing generation fleet and further changes anticipated over the forecast horizon.

Outcome: The ISO submitted the initial filing on Jan. 1, 2020 to implement three deliverability enhancements for interconnection customers. FERC responded with a deficiency letter on Feb. 28, 2020, with instructions to submit a compliance filing. The ISO did so on June 3, 2020 and FERC accepted on Sept. 11, 2020.

Relevant notices Contact us

Status

Proposal Development Decision Implementation Completed/Closed
Dec 10, 2019 Revised draft tariff language
Oct 30, 2019 Revised draft final proposal
Sep 11, 2020 FERC approval (ER20-732)
Jun 03, 2020 Compliance filing (ER20-732)
May 19, 2020 FERC approval (ER20-732)
Feb 28, 2020 Deficiency letter (ER20-732)
Jan 02, 2020 Tariff amendment (ER20-732)
Nov 13, 2019 Board of Governors approval
 Completed

Activities

Sep 11, 2020 Letter Order Approving Deliverability Assessment Compliance Filing (ER20-732) 09/14/2020


Jun 03, 2020 Compliance Filing - Deliverability Assessment (ER20-732) 06/10/2020


May 19, 2020 Letter Order Partially Accepting Filing - Deliverability Assessment Methodology Enhancements (ER20-732) 06/01/2020

Web meeting

Feb 28, 2020 Deficiency Letter - Deliverability Assessment Initiative (ER20-732) 03/09/2020


Jan 02, 2020 Tariff Amendment - Implement Deliverability Assessment Methodology Enhancements (ER20-732) 01/24/2020


Revised Draft Tariff Language - Generation Deliverability Assessment 12/10/2019

Web meeting

Draft Tariff Language - Generation Deliverability Assessment 11/07/2019

In-person meeting

Board of Governors meeting

Decision on deliverability assessment methodology revisions proposal 11/17/2019

Web meeting

Presentation - Generation Deliverability Assessment - Nov 4, 2019 10/31/2019

Revised Draft Final Proposal - Generation Deliverability Assessment 10/30/2019

Web meeting

Comments Matrix - Generation Deliverability Assessment - Draft Final Proposal 11/12/2019

Presentation - Generation Deliverability Assessment Draft Final Proposal 10/02/2019

Draft Final Proposal - Generation Deliverability Assessment 09/27/2019

In-person meeting

Comments Matrix - Generation Deliverability Assessment - Straw Proposal 10/11/2019

Presentation - Generation Deliverability Assessment Straw Proposal 08/01/2019

Straw Proposal - Generation Deliverability Assessment 07/29/2019

Web meeting

Comments Matrix - Generation Deliverability Assessment - Issue Paper 07/29/2019

Presentation - Generation Deliverability Assessment Issue Paper 05/01/2019

Issue Paper - Generation Deliverability Assessment 04/24/2019