July 21, 2022
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Request for Comment
The California ISO receives application for a new Participating Transmission Owner; stakeholder call set for 8/1/22

The California ISO has received an application from TransWest Express Transmission Project to become a Participating Transmission Owner (PTO), with the intent to incorporate a high-voltage direct current line and a 500-kilovolt alternating current line into the ISO’s balancing authority area. The lines could potentially bring Wyoming wind resources to California.


In consideration of the application for this transmission project, the ISO will propose to implement a new subscriber PTO model, giving the ISO operational control of the transmission lines without increasing the transmission access charge.


A public stakeholder call is scheduled on Aug. 1, 2022, to present the details of the application and subscriber PTO model. The presentation will be available prior to the call on the Miscellaneous stakeholder meetings webpage. Written comments on the presentation and discussion are due by the end of the day on Aug. 15, 2022 and may be submitted to Written comments on the application are due by the end of the day Sept. 19, 2022 and may be submitted to


The call will be recorded and the video file posted on the initiative webpage for a limited time. The recording is for informational and convenience purposes only, and any related transcriptions should not be reprinted without the ISO’s permission.


Meeting Details

Date: Aug. 1, 2022

Time: 10 a.m. - 12 p.m. Pacific Time

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Web and audio participation information

Step 1: join web conference

Step 2: connect to audio by selecting “computer audio” or select “call me” and enter your phone number


Audio only participation: call 1-888-251-2949 or 215-861-0694; access code: 3871543#


Technical support: call the AT&T Help Desk at 1-301-250-7202


Please contact Debi Le Vine at or with any questions.

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