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INITIATIVE:
FERC Order No. 881 - managing transmission line ratings

Started: May 06, 2022

Leads
Andrew Ulmer
Daniel Johnson

This initiative will address the California ISO’s compliance with FERC Order No. 881 in establishing new transmission line rating requirements

Relevant notices Contact us

Status

Proposal Development Decision Implementation Completed/Closed
Phase 2
Jun 16, 2023 Compliance Filing (ER22-2362)
Aug 17, 2023 Draft data submission template posted
Sep 21, 2023 Comments due
Oct 02, 2023* Data submission working group
Nov 02, 2023* Quarterly initiative update
Implementation milestones
Phase 1
Jun 23, 2022 Revised draft tariff language posted
Apr 20, 2023 FERC approval (ER22-2362)
Jul 12, 2022 Compliance filing (ER22-2362)

Phase 2

Through Phase 2 of this initiative, the ISO will coordinate with participating transmission owners, WEIM entities, market participants, and RC West customers to address implementation issues and milestones associated with new transmission line rating requirements under Order No. 881.

Templates

Draft Data Submission Template - FERC Order 881 - Managing Transmission Line Ratings Phase 2 08/17/2023

Example Data Submission Template - FERC Order 881 - Managing Transmission Line Ratings Phase 2 08/17/2023

Web meeting

Video - FERC Order No. 881 - Managing Transmission Line Ratings - Phase 2 - Data Submission Working Group - Sep 7, 2023 09/11/2023

Draft Data Submission Template - FERC Order 881 - Managing Transmission Line Ratings Phase 2 09/07/2023

Submit comments Due: Sep 21, 05:00 pm

Web meeting

Presentation - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Data Submission Working Group - Jul 13, 2023 07/13/2023

Web meeting

Presentation - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Quarterly Initiative Update - May 11, 2023 05/10/2023

Web meeting

Video - FERC Order No. 881 - Managing Transmission Line Ratings - Phase 2 - Apr 13, 2023 04/14/2023

Technical White Paper - FERC Order 881 - Managing Transmission Line Ratings Phase 2 04/07/2023

Presentation - Data Submission Working Group - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Apr 13, 2023 04/12/2023

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Web meeting

Video - FERC Order No. 881 - Managing Transmission Line Ratings - Phase 2 - Feb 14, 2023 02/17/2023

Presentation - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Feb 14, 2023 02/13/2023

Web meeting

Video - Data Submission Working Group - FERC Order 881 - Managing Transmission Line Ratings - Feb 06, 2023 02/08/2023

Presentation - Data Submission Working Group - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Feb 06, 2023 02/03/2023

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Web meeting

Presentation - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Dec 21, 2022 12/21/2022

Video - FERC Order No. 881 – Managing Transmission Line Ratings Phase 2 - Dec 21, 2022 12/22/2022

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Phase 1

This initiative will address the California ISO’s compliance with FERC Order No. 881 in establishing new transmission line rating requirements

Filing

Apr 20, 2023 Order Accepting Compliance Filing regarding FERC Order No. 881 (ER22-2362) 04/24/2023

Jul 12, 2022 - Compliance Filing - FERC Order No. 881 (ER-22-2362) 11/16/2022


Revised Draft Tariff Language - FERC Order No. 881 Managing Transmission Line Ratings 06/23/2022

Web meeting

Draft Tariff Language - FERC Order No. 881 Managing Transmission Line Ratings 05/20/2022

Presentation - FERC Order No. 881 Managing Transmission Line Ratings 05/20/2022

Video - FERC Order No. 881 Managing Transmission Line Ratings - May 24, 2022 05/25/2022

ISO Response to Comments Matrix - FERC Order No. 881 Managing Transmission Line Ratings 05/20/2022 06/23/2022

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