This initiative will evaluate the development of this holistic, long-term, framework while also evaluating near-term enhancements to the current scheduling priority framework that can be implemented by next summer.
(formerly External load forward scheduling rights process)
| Proposal Development | Decision | Implementation | Completed/Closed | |
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| Phase 2 |
Track 1
Oct 30, 2023 FERC approval (ER23-2510) Jul 28, 2023 Tariff amendment (ER23-2510) Feb 01, 2023 Board of Governors approval - phase 2 |
Monthly: Apr 17, 2024 Activation
Implementation milestones
Daily: Jun 01, 2024 Activation Transmission service and market scheduling priorities BRS review |
Completed | |
| Phase 1 |
Jan 11, 2022 Revised draft tariff language posted
Dec 10, 2021 Draft final proposal posted |
Mar 15, 2022 FERC approval (ER22-906)
Jan 27, 2022 Tariff amendment (ER22-906) Jan 20, 2022 Board of Governors approval - phase 1 |
Spring 2022
Implementation milestones
|
Completed |
BRS review - comments due |
https://www.caiso.com/documents/businessrequirementsspecification-transmissionserviceandmarketschedulingprioritiesphase2.pdf
Business Requirements Specifications - Transmission Service and Market Scheduling Priorities Phase 2 10/03/2024
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Web meeting |
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Web meeting |
https://stakeholdercenter.caiso.com/InitiativeDocuments/External_TSMSP2 Track 2 Daily Process.pdf | |
Web meeting |
https://stakeholdercenter.caiso.com/InitiativeDocuments/External Training_TSMSP 2_Month Process.pdf
Presentation - Transmission Service and Market Scheduling Priorities Phase 2 Training - Feb 27, 2024 02/29/2024
Video - Transmission Service and Market Scheduling Priorities Phase 2 Training - Feb 27, 2024 02/29/2024
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https://www.westerneim.com/Documents/Approved-DecisiononTransmissionService-MarketSchedulingPrioritiesPhase2-Board-Motion-Feb2023.pdf
Decision on Transmission Service and Market Scheduling Priorities Phase 2 - Board Motion - Feb 2023 09/26/2024
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Web meeting |
https://youtu.be/ro4yhB0Ta20
Video - Transmission Service and Market Scheduling Priorities - Jan 17, 2024 01/22/2024
Presentation - Transmission Service and Market Scheduling Priorities - Jan 17, 2024 01/17/2024
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Web meeting |
https://youtu.be/zzpK7UmzMkg
Video - Transmission Service and Market Scheduling Priorities Phase 2 - Jan 9, 2024 01/12/2024
Presentation - Transmission Service Market Scheduling Priorities Phase 2 - Jan 09, 2024 01/08/2024
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Filing |
https://www.caiso.com/Documents/Oct30-2023-OrderAcceptingSubjecttoComplianceFiling-WheelingThroughTariffAmendment-ER23-2510.pdf
https://www.caiso.com/Documents/Oct2-2023-Motion-to-Answer-and-Answer-Wheeling-Through-ER23-2510.pdf
Oct 2, 2023 Motion to Answer and Answer - Wheeling Through (ER23-2510) 11/07/2023
Sep 5, 2023 Answer to Comments and Protests - Wheeling Through Tariff Amendment (ER23-2510) 11/07/2023
Jul 28, 2023 Tariff Amendment - Wheeling-Through (ER23-2510) 11/07/2023
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https://stakeholdercenter.caiso.com/InitiativeDocuments/FinalDraftTariffLanguage-Track 2-TransmissionService-MarketSchedulingPrioritiesPhase2-Sec23-Sec36-AppA.docx https://stakeholdercenter.caiso.com/InitiativeDocuments/FinalDraftTariffLanguage-Track 2-TransmissionService-MarketSchedulingPrioritiesPhase2-AppendixGG.docx https://stakeholdercenter.caiso.com/InitiativeDocuments/FinalDraftTariffLanguage-Track 2-TransmissionService-MarketSchedulingPrioritiesPhase2-AppendixGGAppendices.docx https://stakeholdercenter.caiso.com/InitiativeDocuments/FinalDraftTariffLanguage-Track 2-TransmissionService-MarketSchedulingPrioritiesPhase2-AppendixHH.docx https://stakeholdercenter.caiso.com/InitiativeDocuments/FinalDraftTariffLanguage-Track 2-TransmissionService-MarketSchedulingPrioritiesPhase2-AppendixKK.docx | |
Web meeting |
https://youtu.be/hTT--qy7s6E
Video - Transmission Service and Market Scheduling Priorities Phase 2 - Nov 13, 2023 11/15/2023
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View comments |
Web meeting |
https://youtu.be/WUoqFlhRGLw
Video - Transmission Service and Market Scheduling Priorities Phase 2 - Aug 28, 2023 08/31/2023
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View comments |
Web meeting |
https://youtu.be/CS8TXDNbnOc
Video – Transmission Service and Market Scheduling Priorities Phase 2 – Jun 30, 2023 07/06/2023
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View comments |
Web meeting |
https://youtu.be/NEBFiAR9c7A
Video - Transmission Service and Market Scheduling Priorities - Apr 14, 2023 04/19/2023
Draft Tariff Language - Transmission Service and Market Scheduling Priorities Phase 2 03/27/2023
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View comments |
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https://www.westerneim.com/Documents/WEIMGoverningBodyMarketExpert-TransmissionService-MarketSchedulingPrioritiesPhase2-Opinion-Jan2023.pdf | |
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https://stakeholdercenter.caiso.com/InitiativeDocuments/ApprovedNoticeofDecisionalClassificationTransmissionService-MarketSchedulingPrioritiesPhase2-January2023.pdf | |
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https://stakeholdercenter.caiso.com/InitiativeDocuments/FinalProposal-TransmissionService-MarketSchedulingPrioritiesPhase2.pdf
Final Proposal - Transmission Service and Market Scheduling Priorities Phase 2 01/18/2023
OATI Opinion - Transmission Service and Market Scheduling Priorities Phase 2 Final Proposal 01/25/2023
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Web meeting |
Market Surveillance Committee meeting http://www.caiso.com/Documents/TransmissionServices-Presentation-Dec12_2022.pdf
Transmission Service and Market Scheduling Priorities Phase 2 - MSC Presentation - Dec 12, 2022 12/12/2022
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Web meeting |
https://youtu.be/YqCI9a7EdBA
Video - Transmission Service and Market Scheduling Priorities Initiative - Dec 16, 2022 12/19/2022
Presentation - Transmission Service and Market Scheduling Priorities Phase 2 - Dec 16, 2022 12/16/2022
Draft Final Proposal - Transmission Service and Market Scheduling Priorities Phase 2 12/15/2022
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View comments |
Web meeting |
https://youtu.be/iUEhFFjdKZQ
Video - Transmission Service and Market Scheduling Priorities Phase 2 - Aug 11, 2022 08/16/2022
Presentation - Transmission Service and Market Scheduling Priorities Phase 2 - Aug 11, 2022 08/10/2022
Straw Proposal - Transmission Service and Market Scheduling Priorities Phase 2 07/29/2022
Approach 1 Data - Transmission Service and Market Scheduling Priorities Phase 2 - Aug 24, 2022 08/24/2022
Approach 2 Data - Transmission Service and Market Scheduling Priorities Phase 2 - Aug 24, 2022 08/24/2022
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View comments |
Web meeting |
https://youtu.be/-XNey1LzAjM
Video - Transmission Service and Market Scheduling Priorities Phase 2 Working Group - Feb 14, 2022 03/01/2022
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Web meeting |
https://youtu.be/SlysZndJjv0 https://stakeholdercenter.caiso.com/InitiativeDocuments/CAISOPresentation-TransmissionService-MarketSchedulingPriorities-WorkingGroup2-3-Feb4-2022.pdf https://stakeholdercenter.caiso.com/InitiativeDocuments/SRPPresentation-TransmissionService-MarketSchedulingPriorities-WorkingGroup2-3-Feb4-2022.pdf | |
Web meeting |
https://youtu.be/bbXr3-BNStk https://stakeholdercenter.caiso.com/InitiativeDocuments/CAISOPresentation-TransmissionService-MarketSchedulingPriorities-WorkingGroup2-3-Jan31-2022.pdf https://stakeholdercenter.caiso.com/InitiativeDocuments/IPCPresentation-TransmissionService-MarketSchedulingPriorities-WorkingGroup2-Jan31-2022.pdf https://stakeholdercenter.caiso.com/InitiativeDocuments/IPCPresentation-TransmissionService-MarketSchedulingPriorities-WorkingGroup3-Jan31-2022.pdf | |
Web meeting |
https://youtu.be/em1JfOOFonI
Video - Transmission Service and Market Scheduling Priorities Working Groups 2 and 3 - Jan 14, 2022 03/22/2022
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Web meeting |
https://youtu.be/uC4UK6L3BT8
Video - Transmission Service and Market Scheduling Priorities - Working Group 1 - Dec 10, 2021 01/25/2022
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Web meeting |
https://youtu.be/ZYeSXf6xjNA
Video - Transmission Service and Market Scheduling Priorities - Working Group 1 - Nov 30, 2021 01/25/2022
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Web meeting |
https://youtu.be/EXNoLlFq-xg
Video - Transmission Service and Market Scheduling Priorities - Working Group 1 - Nov 19, 2021 01/25/2022
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Web meeting |
https://youtu.be/2B2WYDEY0ec
Video - Transmission Service and Market Scheduling Priorities - Working Group 1 - Nov 15, 2021 01/25/2022
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Web meeting |
https://youtu.be/ZR4arYHSp7s
Video - External Load Forward Scheduling Rights Process - Working Group 1 - Nov 10, 2021 01/25/2022
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OUTCOME: The California ISO implemented transmission service and market scheduling priorities phase 1 (TSMSP1) on June 1, 2022. The TSMSP1 implementation benefits market participants by extending the current, interim wheeling through scheduling priorities framework valid to May 1, 2024, by providing additional visibility of the non-RA capacity for supporting resources (including applicable notifications), by providing clarifications regarding high priority exports (PT exports) from Variable Energy Resources (VER), by publishing additional relevant and requested data and information, and by consolidating of terms applicable to exports and wheels.
Training |
https://www.caiso.com/Documents/Presentation-Transmission-Service-Market-Scheduling-Priorities-Phase1-Training.pdf
Presentation - Transmission Service and Market Scheduling Priorities Phase 1 Training - Apr 28, 2022 04/29/2022
Video - Transmission Service and Market Scheduling Priorities Phase 1 Training - Apr 28, 2022 04/29/2022
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https://stakeholdercenter.caiso.com/InitiativeDocuments/Notice-Decisional-Classification-Transmission-Service-Market-Scheduling-Priorities.pdf
Notice of Decisional Classification - Transmission Service and Market Scheduling Priorities 01/12/2022
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Filing |
https://www.caiso.com/Documents/Mar15-2022-OrderAcceptingExtension-Loads-Exports-Wheeling-ER22-906.pdf
Mar 15, 2022 Order Accepting Extension of Loads, Exports and Wheeling (ER22-906) 11/07/2023
Feb 25, 2022 Motion to Leave Answer and Answer - Wheeling Through Extension (ER22-906) 11/07/2023
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Web meeting |
https://youtu.be/v8Y6LIdRmIY
Video - Transmission Service and Market Scheduling Priorities - Jan 14, 2022 01/19/2022
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Web meeting |
https://stakeholdercenter.caiso.com/InitiativeDocuments/ISOResponses-StakeholderComments–TransmissionService-MarketSchedulingPrioritiesPhase1-DraftFinalProposal.pdf
https://youtu.be/ztb20qCuhn0
Video - Transmission Service and Market Scheduling Priorities - Dec 20, 2021 12/28/2021
Presentation - Transmission Service and Market Scheduling Priorities - Dec 20, 2021 12/17/2021
Draft Final Proposal - Transmission Service and Market Scheduling Priorities - Phase 1 12/21/2021
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View comments |
Web meeting |
https://youtu.be/iRrgX58PRS8
Video - External Load Forward Scheduling Rights Process - Sep 9, 2021 09/14/2021
Presentation - External Load Forward Scheduling Rights Process - Sep 9, 2021 09/07/2021
Issue Paper - External Load Forward Scheduling Rights Process 08/31/2021
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View comments |
Web meeting |
https://youtu.be/oM7WExJNOMM
Video - External Load Forward Scheduling Rights Process Workshop - Jul 13, 2021 07/14/2021
ISO Presentation - External Load Forward Scheduling Rights Process Workshop - Jul 13, 2021 07/12/2021
Powerex Presentation - External Load Forward Scheduling Rights Process Workshop - Jul 13, 2021 07/12/2021
Joint LSE Presentation - External Load Forward Scheduling Rights Process Workshop - Jul 13, 2021 07/12/2021
BANC Presentation - External Load Forward Scheduling Rights Process Workshop - Jul 13, 2021 07/12/2021
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View comments |