Change Version Date Action Tracking 0 April 23, 2004 WECC Effective Date: 1 July 1, 2011 FERC Effective Date: VAR-501-WECC-1 2 May 28, 2014 WECC Ballot Body Approved Paragraph 81 clean-up 3 Implementation Plan VAR-501-WECC-, Power System Stabilizers () Standards Authorization Request VAR-501-WECC-, Power System Stabilizers () Applicable Entities Generator Operator Generator Owner Conforming Changes to Other Standards
Version Date Action Change Tracking 0 April 23, 2004 WECC Effective Date: 1 July 1, 2011 FERC Effective Date: VAR-501-WECC-1 2 May 28, 2014 WECC Ballot Body Approved Paragraph 81 clean-up 3 Implementation Plan VAR-501-WECC-, Power System Stabilizers () Standards Authorization Request VAR-501-WECC-, Power System Stabilizers () Applicable Entities Generator Operator Generator Owner Conforming Changes to Other Standards
WECC-0107%20Posting%206%20VAR-501-WECC-2%20Power%20System%20Stabilizers%20Posting%205%20redlined%20to%20Posting%206.docx