Managing Data Corrections Between SDWG & PDWG Jonathan Young SDWG Chair Western Electricity Coordinating Council

Western Electricity Coordinating Council Issue Data issues identified by SDWG and PDWG outside the initial build phases are not consistently coordinated between the groups to improve each others data bases A process is needed to address this Western Electricity Coordinating Council

SDWG Identified Updates Report all changes to approved base cases to DS and SDWG Highlight changes made to the 10 year planning cases Report at PDWG all changes to approved 10 year planning cases Provide PDWG Chair & PDWG WECC liaison with data to update data Western Electricity Coordinating Council

PDWG Identified Updates Send identified data quality issues that PDWG thinks should be in the power flow cases to the SDWG Chair & SDWG WECC liaison SDWG to work with Data Submitter to determine the validity of the data quality issue and provide data updates WECC Liaisons Help facilitate and track data correction coordination process Western Electricity Coordinating Council

Western Electricity Coordinating Council Questions? Western Electricity Coordinating Council