Jonathan Young ColumbiaGrid SRWG’s Compliance Subgroup November 2015 Salt Lake City, UT

Discussion Topics Low voltages in base cases causing loading tripping Replog Explicitly model bypass breakers Multi-section lines Identify non-real buses DPM redlines RAS naming convention

DPM: 2017 Base Case Comp Sched Red Line Model Bypass Breakers Change “Emergency Ratings” to “Contingency Ratings” RAS Naming Convention Substations Removal of Multi-Section Lines Duplicate Star Bus Numbers Data Maintainer Field Multiple shunts on a bus Base Load Flag inconsistencies

DPM: Possible Future Additions Base Load Flag inconsistencies Multiple shunts on a bus Duplicate bus numbers Other option for turbine type Generators on BES buses Change “Emergency Ratings” to “Contingency Ratings” RAS naming convention PC/Data Submitter Field

RAS Naming Convention Suggested Convention RAS and Elements precluded by Member System Accronym and ann Underscore i.e. “SCE_”

Questions/Comments?