1. NERC OC Update Greg Park, NWPP (In place of Rich Hydzik)
WECC EPAS Meeting
June 4, 2018

2. Operating Reliability Subcommittee (ORS) Resources Subcommittee (RS)
Subcommittee Updates
Operating Reliability Subcommittee (ORS)
Working on an RC coordination document (could be of interest in WECC)
Resources Subcommittee (RS)
FERC issued its final rule on primary frequency response
Final rule referenced Primary Frequency Control Guideline
Event Analysis Subcommittee (EAS)
Asked for two compliance guidance task forces
TOP R10.3 and R10.6 – Assigned to ORS – Non-BES data collection
TOP R20 and R23 – Data redundancy in control center and testing
TOP-010 R3 – Data Quality task force will succeed the RTATF TOP-010 R13 task force
Personnel Subcommittee (PS)
Concern over ILA’s and keeping them current

3. Essential Reliability Services Group
Subcommittee Updates
Essential Reliability Services Group
Technical and Policy Briefs were approved and posted to ERSWG site
Measure 1, 2, and 4 Forward Looking Technical Briefs
Measure 1, 2, and 4 Forward Looking Policy Briefs
Measure 6 Forward Looking Technical Brief
Measure 6 Historical Analysis
Measure 3 Summary and Recommendation Brief
DER Data Collection Technical Brief
ERSWG has completed its assignments – no new assignments (yet)
Measure 1 – Synchronous Inertia Response at Interconnection Level
Measure 2 – Initial Frequency Deviation Following Largest Contingency
Measure 3 – Synchronous Inertia at BA Level
Measure 6 – Net Demand Ramping Variability

4. Real Time Assessment Task Force (RTATF)
Task Force Updates
Real Time Assessment Task Force (RTATF)
OC approved Compliance Guidance in December 2017
Document is at NERC awaiting RE/ERO approval
Methods for Establishing IROL Task Force (MEITF)
General progress is on Standards Development page
Inverted-based Resources Performance Task Force (IRPTF)
Ryan Quint to Call in today

5. Lessons Learned Since 2/7/2018 OC Meeting
LL Breaker Failure Due to Trip Coil Polarity
LL State Estimator Outages Requiring Tuning/Calibrating EMS Settings
LL Inadequate Battery Configuration Management Damaged a Generating Station and Tripped an HVDC Conversion Station

6. Questions and Answers