Participating transmission owner per unit costs - 2023

Started: Feb 13, 2023

Leads
Kaylee Zuberi

The ISO Generator Interconnection Procedures (ISO Tariff DD Appendix 5) requires participating transmission owners to annually update and publish per unit costs for use during the current interconnection study cycle for estimating the cost of facilities required to interconnect generation. Per unit costs are used to develop the cost for reliability and delivery network upgrades and participating transmission owner’s interconnection facilities. The ISO annually publishes draft per unit costs to its website, holds a stakeholder meeting and allows stakeholders to comment on the draft costs. The ISO publishes the final costs in the March to April time frame. The schedule for this annual process is located in Appendix 5 of the interconnection procedures.

 

Status

Development Decision Implementation Completed/Closed
Sep 18, 2023 Final cost guides posted
Completed

Activities


https://stakeholdercenter.caiso.com/InitiativeDocuments/DCRT-2023-Final-Per-Unit-Cost-Guide.xlsx

DCRT 2023 Final Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/DSLK-2023-Final-Per-Unit-Cost-Guide.xlsx

DSLK 2023 Final Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/GLW-2023-Final-Per-Unit-Cost-Guide.xlsx

GLW 2023 Final Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/PGAE-2023-Final-Per-Unit-Cost-Guide.xlsx

PGAE 2023 Final Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/SCE-2023-Final-Per-Unit-Cost-Guide.xlsx

SCE 2023 Final Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/SDGE-2023-Final-Per-Unit-Cost-Guide.xlsx

SDGE 2023 Final Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/VEA-2023-Final-Per-Unit-Cost-Guide.xlsx

VEA 2023 Final Per Unit Cost Guide

Web meeting


https://youtu.be/6oKuV7_juas https://stakeholdercenter.caiso.com/InitiativeDocuments/Presentation-2023-Participating-Transmission-Owner-Per-Unit-Cost-Aug29-2023.pdf

Presentation - 2023 Participating Transmission Owner Per Unit Costs - Aug 29, 2023


https://stakeholdercenter.caiso.com/InitiativeDocuments/DCRT2023DraftPerUnitCostGuide.xlsx

DCRT 2023 Draft Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/DSLK2023DraftPerUnitCostGuide.xlsx

DSLK 2023 Draft Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/GLW2023DraftPerUnitCostGuide.xlsx

GLW 2023 Draft Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/PGAE2023DraftPerUnitCostGuide.xlsx

PGAE 2023 Draft Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/SCE2023DraftPerUnitCostGuide.xlsx

SCE 2023 Draft Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/SDGE2023DraftPerUnitCostGuide.xlsx

SDGE 2023 Draft Per Unit Cost Guide

https://stakeholdercenter.caiso.com/InitiativeDocuments/VEA-2023-Draft-Per-Unit-Cost-Guide.xls

VEA 2023 Draft Per Unit Cost Guide