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January 30, 2020


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Market Rules and Design

Western Energy Imbalance Market

2020 Proposed Participating Transmission Owner Per Unit Cost Guides Posted, Call 2/13/20


The California ISO has scheduled a stakeholder call on Feb. 13, 2020, to review the 2020 proposed Participating Transmission Owner (PTO) Per Unit Cost Guides. The proposed guides are available on the ISO website at


The ISO Generator Interconnection Procedures require PTOs to annually update and publish their per unit costs for use during the current interconnection study cycle for estimating the cost of facilities required to interconnect generation to the ISO grid.


Please submit comments on the proposed guides to by Feb. 27.


A web conference will be available for stakeholder convenience. In addition, 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: February 13, 2020

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

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Participation Information

Step 1: call 1-877-369-5230, access code: 0802127##

Step 2:  join web conference

Technical support: call the AT&T Help Desk at 1-888-796-6118



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California Independent System Operator | P.O. Box 639014 | Folsom, CA 95630 | United States