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Transmission access charge structure enhancements

INITIATIVE:
Transmission access charge structure enhancements

Started: Jun 30, 2017

This initiative will consider possible changes to the ISO’s current volumetric Transmission Access Charge (TAC) structure for recovering participating transmission owners' costs of owning, operating and maintaining transmission facilities under ISO operational control. The ISO will consider stakeholder input on the initiative scope, which will include possible changes to reflect the benefits of distributed energy resources in reducing future transmission needs. Formerly titled review transmission access charge structure.

This initiative is on hold until further notice.

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Status

Proposal Development	Decision	Implementation	Completed/Closed
Sep 17, 2018 Draft final proposal posted

Activities

In-person meeting	Video - Transmission Access Charge Structure Enhancements (part 1) 11/17/2019 Video - Transmission Access Charge Structure Enhancements (part 2) 11/17/2019 Draft Final Proposal - Transmission Access Charge Structure Enhancements 09/17/2018 Agenda and Presentation - Transmission Access Charge Structure Enhancements - Sep 24, 2018 09/20/2018	Comments AReM Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 BAMx Comments - TAC Structure Enhancements - Draft Final Proposal 10/10/2018 City of Vernon - Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 Clean Coalition Comments - TAC Structure Enhancements - Draft Final Proposal 10/10/2018 CLECA Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 CPUC Comments - TAC Structure Enhancements - Draft Final Proposal 10/10/2018 DMM Comments - Transmission Access Charge Structure Enhancements - Draft Final Proposal 10/11/2018 IEP Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 ITC Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 NCPA Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 PAO Comments - TAC Structure Enhancements - Draft Final Proposal 10/25/2018 PG&E Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 Pristine Sun Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 SCE Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 SDGE Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018 Six Cities Comments - TAC Structure Enhancements - Draft Final Proposal 10/16/2018 SVP Comments - TAC Structure Enhancements - Draft Final Proposal 10/09/2018
In-person meeting	Second Revised Straw Proposal - Review Transmission Access Charge Structure 06/29/2018 Agenda and Presentation - Review Transmission Access Charge Structure - Jun 28, 2018 06/29/2018	Comments BAMx Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 City of Vernon Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 Clean Coalition Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/23/2018 CLECA Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 CPUC Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 DMM Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/20/2018 LO3 Energy Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/20/2018 NCPA Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/23/2018 ORA Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 PG&E Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 SCE Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018 SDG&E Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/23/2018 Six Cities Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/20/2018 TANC Comments - Review Transmission Access Charge Structure - Jun 22, 2018 07/19/2018
In-person meeting	Revised Straw Proposal - Review Transmission Access Charge Structure (Updated) 04/05/2018 Rate formula example on page 19 corrected. Agenda - Review Transmission Access Charge Structure - Apr 11, 2018 04/09/2018 Agenda and Presentation - Review Transmission Access Charge Structure - Apr 11, 2018 04/10/2018	Comments BAMx Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 BPA Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 CCSF Comments - Review Transmission Access Charge Structure -Revised Straw Proposal 04/27/2018 CDWR Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 City of Vernon Comments - Review Transmission Access Structure - Revised Straw Proposal 04/27/2018 Clean Coalition Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 CLECA Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 CPUC Comments - Review Transmission Access Charge Structure -Revised Straw Proposal 04/27/2018 DMM Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 05/11/2018 IEP Comments - Review Transmission Access Structure - Revised Straw Proposal 04/27/2018 ITC Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 NCPA Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 ORA Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 PG&E Comments - Review Transmission Access Structure - Revised Straw Proposal 04/27/2018 SCE Comments - Review Transmission Access Structure - Revised Straw Proposal 04/27/2018 SDGE Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 Sierra Club Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 Six Cities Comments - Review Transmission Access Charge Structure -Revised Straw Proposal 05/02/2018 SVP Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 05/02/2018 TANC Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018 VEA Comments - Review Transmission Access Charge Structure - Revised Straw Proposal 04/27/2018
In-person meeting	Audio - Review Transmission Access Charge Structure Meeting - Jan 18, 2018 01/23/2018 Straw Proposal - Review Transmission Access Charge Structure 01/11/2018 Agenda and Presentation - Review Transmission Access Charge Structure - Jan 18, 2018 01/18/2018	Comments 350 Bay Area Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 AReM Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 BAMx - CCSF Joint Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 Borrego Solar Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 BPA Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 CACE Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 CDWR Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 City of Vernon Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 Clean Coalition Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 CLECA Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 CPUC Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 DMM Comments - Review Transmission Access Charge Structure - Straw Proposal 03/20/2018 EBCE Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 IEP Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 ITC Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 LCEA Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 NCPA Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 NRG Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 ORA Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 PG&E Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 San Diego 350 Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 SCE Commnets - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 SDCCA Comments - Review Transmission Access ChargeStructure-StrawProposal 02/16/2018 SDED Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 SDGE Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 Sierra Club Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 Six Cities Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 Skycentrics Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 SVP Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 SWC Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 TANC Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 VEA Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018 World Business Academy Comments - Review Transmission Access Charge Structure - Straw Proposal 02/16/2018
In-person meeting	Working group meeting Comments Matrix - Review Transmission Access Charge Review - Clean Coalition Presentation Aug 29, 2017 10/30/2017 Audio - Review Transmission Access Charge Structure - Sep 25, 2017 Working Group 09/26/2017 Agenda - Review Transmission Access Charge Structure - Sep 25, 2017 09/25/2017 Clean Coalition Presentation - Review Transmission Access Charge Structure - Sep 25, 2017 09/25/2017 SCE Presentation - Review Transmission Access Charge Structure - Sep 25, 2017 09/25/2017 Clean Coalition Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 Clean Coalition - TAC Fix Impact Analysis 09/15/2017 Clean Coalition - TAC Fix Impact Analysis Overview 09/15/2017	Comments CC Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 CLECA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 Comments Matrix - Review Transmission Access Charge Review - Clean Coalition Presentation Aug 29, 2017 10/30/2017 DMM Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/25/2017 ILSR Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 LCEA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 NCPA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 ORA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 PG&E Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 11/02/2017 SCE Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 SDG&E Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 Six Cities Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 SVP Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 SWC Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 TANC Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 TID Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 WPTF Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/20/2017
In-person meeting	Working group meeting Issue Paper - Review Transmission Access Charge Structure 06/30/2017 ISO Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 Clean Coalition Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 CLECA Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 CPUC Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 DMM Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 SVP Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017 08/28/2017 AReM Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group 09/19/2017 CLECA Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group 09/19/2017 CMUA Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group 09/19/2017 SES Comments - Clean Coalition Presentation Aug 29, 2017 Working Group 09/27/2017 IEP Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group 09/20/2017 ORA Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group 09/19/2017 Pristine Sun Comments - Clean Coalition Presentation Aug 29, 2017 Working Group 09/19/2017 SDG&E Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group 09/19/2017 SDG&E Calculations Example - Clean Coaltion Presentation Aug 29, 2017 09/19/2017 SDG&E Example - Clean Coalition TAC Cost Allocation 09/19/2017	Comments CC Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 CLECA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 Comments Matrix - Review Transmission Access Charge Review - Clean Coalition Presentation Aug 29, 2017 10/30/2017 DMM Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/25/2017 ILSR Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 LCEA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 NCPA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 ORA Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 PG&E Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 11/02/2017 SCE Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 SDG&E Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 Six Cities Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 SVP Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 SWC Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 TANC Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 TID Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/16/2017 WPTF Comments - Review Transmission Access Charge Structure - Working Group Meetings - Aug 29 and Sep 25, 2017 10/20/2017
In-person meeting	Issue Paper - Review Transmission Access Charge Structure 06/30/2017 Background White Paper - Review Transmission Access Charge Structure 04/12/2017 Agenda and Presentation - Review Transmission Access Charge Structure - Jul 12, 2017 07/11/2017	Comments CALSEIA Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 Clean Coalition Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 CLECA Comments – Review Transmission Access Charge Structure Issue Paper 08/23/2017 CMUA Comments – Review Transmission Access Charge Structure Issue Paper 07/31/2017 CPUC Comments – Review Transmission Access Charge Structure Issue Paper 07/31/2017 DMM Comments - Review Transmission Access Charge Structure Issue Paper 07/28/2017 IEP Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 MID Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 NCPA Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 ORA Comments - Review Transmission Access Charge Structure Issue Paper 08/01/2017 PG&E Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 SCE Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 SDG&E Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 Six Cities Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 SVP Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017 TANC Comments – Review Transmission Access Charge Structure Issue Paper 07/27/2017