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

Status

Proposal Development Decision Implementation Completed/Closed
Phase 2
Jun 16, 2023 Compliance Filing (ER22-2362)
Apr 01, 2024 - track 1
Q4 2024 - track 2
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.

Web meeting


Presentation - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Quarterly Initiative Update - Jan 18, 2024

Web meeting


Presentation - FERC Order 881 - Managing Transmission Line Ratings - Phase 2 - Oct 2, 2023

Templates


Draft Data Submission Template - FERC Order 881 - Managing Transmission Line Ratings Phase 2

Example Data Submission Template - FERC Order 881 - Managing Transmission Line Ratings Phase 2

Web meeting


Web meeting


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

Web meeting


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

Web meeting


Technical White Paper - FERC Order 881 - Managing Transmission Line Ratings Phase 2

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

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Web meeting


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

Web meeting


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

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Web meeting


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