INITIATIVE:
Transmission access charge structure enhancements

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.

Status

Proposal Development Decision Implementation Completed/Closed
Sep 17, 2018 Draft final proposal
2021* Board of Governors meeting
2021* EIM Governing Body meeting

Activities

In-person meeting


Draft Final Proposal - Transmission Access Charge Structure Enhancements

Agenda and Presentation - Transmission Access Charge Structure Enhancements - Sep 24, 2018

In-person meeting


Second Revised Straw Proposal - Review Transmission Access Charge Structure

Agenda and Presentation - Review Transmission Access Charge Structure - Jun 28, 2018

In-person meeting


Revised Straw Proposal - Review Transmission Access Charge Structure (Updated)
Rate formula example on page 19 corrected.

Agenda - Review Transmission Access Charge Structure - Apr 11, 2018

Agenda and Presentation - Review Transmission Access Charge Structure - Apr 11, 2018

In-person meeting


Audio - Review Transmission Access Charge Structure Meeting - Jan 18, 2018

Straw Proposal - Review Transmission Access Charge Structure

Agenda and Presentation - Review Transmission Access Charge Structure - Jan 18, 2018

In-person meeting


Working group meeting

Comments Matrix - Review Transmission Access Charge Review - Clean Coalition Presentation Aug 29, 2017

Audio - Review Transmission Access Charge Structure - Sep 25, 2017 Working Group

Agenda - Review Transmission Access Charge Structure - Sep 25, 2017

Clean Coalition Presentation - Review Transmission Access Charge Structure - Sep 25, 2017

SCE Presentation - Review Transmission Access Charge Structure - Sep 25, 2017

Clean Coalition Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

Clean Coalition - TAC Fix Impact Analysis

Clean Coalition - TAC Fix Impact Analysis Overview

In-person meeting


Working group meeting

Issue Paper - Review Transmission Access Charge Structure

ISO Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

Clean Coalition Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

CLECA Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

CPUC Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

DMM Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

SVP Presentation - Review Transmission Access Charge Structure Working Group - Aug 29, 2017

AReM Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group

CLECA Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group

CMUA Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group

SES Comments - Clean Coalition Presentation Aug 29, 2017 Working Group

IEP Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group

ORA Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group

Pristine Sun Comments - Clean Coalition Presentation Aug 29, 2017 Working Group

SDG&E Questions - Clean Coalition Presentation - Aug 29, 2017 Working Group

SDG&E Calculations Example - Clean Coaltion Presentation Aug 29, 2017

SDG&E Example - Clean Coalition TAC Cost Allocation

In-person meeting


Issue Paper - Review Transmission Access Charge Structure

Background White Paper - Review Transmission Access Charge Structure

Agenda and Presentation - Review Transmission Access Charge Structure - Jul 12, 2017