INITIATIVE:
Short-long start unit definitions update

Started: Jan 19, 2022

Leads
Daniel Johnson

The California ISO through this initiative is proposing to update the definitions of short and long start units to align with the real-time market horizon. This update will ensure that the real-time market optimization will be able to consider a short start unit’s start-up and minimum run time.

Status

Proposal Development Decision Implementation Completed/Closed
Feb 17, 2022 Draft final proposal posted
Jan 01, 2022 Revised draft tariff language posted
May 23, 2022 FERC approval (ER22-1438)
Mar 24, 2022 Tariff amendment (ER22-1438)
Mar 16, 2022 ISO Board of Governors and WEIM Governing Body approval
Jun 01, 2022 Activation
Implementation milestones
Completed

Activities

Tariff amendment


http://www.caiso.com/Documents/May23-2022-OrderAcceptingShortStartandLongStartDefinitions-ER22-1438.pdf https://www.caiso.com/Documents/Mar24-2022-Tariff-Clarification-ShortStart-LongStart-ER22-1438.pdf


https://stakeholdercenter.caiso.com/InitiativeDocuments/NoticeDecisionalClassification-Short-LongStartUnitDefinitionsUpdate.pdf

Notice of Decisional Classification - Short-Long Start Unit Definitions Update


https://stakeholdercenter.caiso.com/InitiativeDocuments/DraftFinalProposal-Short-LongStartUnitDefinitionsUpdate.pdf

Draft Final Proposal - Short-Long Start Unit Definitions Update

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Web meeting


https://stakeholdercenter.caiso.com/InitiativeDocuments/Presentation-Short-LongStartUnitDefinitionsUpdate-Jan26-2022.pdf

Presentation - Short-Long Start Unit Definitions Update - Jan 26, 2022

https://stakeholdercenter.caiso.com/InitiativeDocuments/IssuePaper-StrawProposal-Short-LongStartUnitDefinitionsUpdate.pdf

Issue Paper - Straw Proposal - Short-Long Start Unit Definitions Update

http://www.caiso.com/Documents/TariffClarifications-SummaryofIssues-RevisedDraftTariffLanguage.pdf http://www.caiso.com/Documents/StakeholderCommentsResponseMatrix-TariffClarifications-RevisedDraftTariffLanguage.pdf http://www.caiso.com/Documents/ProposedAdditionalClarifications-TariffClarifications.pdf http://www.caiso.com/Documents/StakeholderCommentsResponseMatrix-TariffClarifications-Summary-Issues-DraftTariffLanguage.pdf http://www.caiso.com/Documents/SummaryofIssues-DraftTariffLanguage-TariffClarifications.pdf
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