R Time Horizon VRF Violation Severity Levels Moderate VSL High VSL Severe VSL R1 Medium There shall be a There shall be a There Operational There shall Lower Level of High Level of shall be a be a Assessment Severe non-compliance if AVR Moderate Level of Level of if AVR is in is in service less service less than than 80% but at if AVR 98% but at least least 70% or more is in if AVR is in 90% or more of of all hours during service service less all hours during which the less than than 90% 70% of which the synchronous but at least all hours synchronous generating unit or 80% or during more of all generating unit synchronous which the hours or synchronous condenser is on during condenser is on line for each which the line for each calendar quarter. unit or calendar generating quarter. unit or is on condenser line for is on line for each each calendar calendar quarter. quarter. Version History Version Date Action Change Tracking 1 April 16, 2008 Permanent Replacement Standard for VAR-STD-002a-1 April 21, 2011 FERC Order issued approving VAR- 002-WECC-1 (FERC approval effective June 27, 2011; Effective Date July 1, 2011)
R Time Horizon VRF Violation Severity Levels Moderate VSL High VSL Severe VSL R1 Operational Assessment Medium There shall be a Lower Level of non-compliance if AVR is in service less than 98% but at least 90% or more of all hours during which the synchronous generating unit or synchronous condenser is on line for each calendar quarter. There shall be a Moderate Level of if AVR is in service less than 90% but at least 80% or more of all hours during which the generating unit or condenser is on line for each calendar quarter. There shall be a High Level of if AVR is in service less than 80% but at least 70% or more of all hours during which the synchronous generating unit or synchronous condenser is on line for each calendar quarter. There shall be a Severe Level of if AVR is in service less than 70% of all hours during which the unit or is on line for each calendar quarter. Version History Version Date Action Change Tracking 1 April 16, 2008 Permanent Replacement Standard for VAR-STD-002a-1 April 21, 2011 FERC Order issued approving VAR- 002-WECC-1 (FERC approval effective June 27, 2011; Effective Date July 1, 2011)
WECC-0127%20VAR-002-WECC-2%20Request%20to%20Retire%20-%20Attachment%20G%20Technical%20Justification.docx