WECC Standards Update Steve Rueckert – Director of Standards W ESTERN E LECTRICITY C OORDINATING C OUNCIL

WECC-0101 – Generator Validation Conversion Proposed WECC Regional Variance to NERC MOD-026 and MOD-027 Lower threshold for applicability Testing and validation timing aligned with the current WECC Generator Testing Policy DT preparing response to Posting 3 comments Comments calling for technical justification 2 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

WECC-0105 – P81 VAR Redraft Revisions to VAR-002-WECC-1 and VAR-501- WECC-1 FERC approved by letter order on March 3, 2015 Revised versions become effective April 1, W ESTERN E LECTRICITY C OORDINATING C OUNCIL

WECC-0107 – PSS Design and Performance Initially identified by the Regional Criteria Work Group as a potential standards project Modifications to recently approved VAR-501- WECC-2 – Simplify – Incorporate WECC PSS tuning guidelines and the WECC Policy Statement on Power System Stabilizers Drafting team is working on posting 4 4 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

WECC-0110 – INT-011-WECC-CRT-3 Ten-Minute Recallable e-Tag Functionality for Supplemental Operating Reserves Modifications were necessary due to revisions made to BAL-002-WECC-2 and to incorporate certain requirements from INT-014-WECC-CRT-1 Positive response to posting for comments – No questions or concerns during the Standards Briefing Ballot window is March 31 – April 22, W ESTERN E LECTRICITY C OORDINATING C OUNCIL

WECC-0111 – TOP-007-WECC-1a SAR to Retire or Modify Result of efforts by the Path Operator Task Force (POTF) Requirement R1 requires Transmission Operators (TOPs) to take immediate action to reduce System Operating Limits (SOL) violations Requirement R2 prohibits schedules above the SOL going into the hour Initial posting for comment this month 6 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

WECC-0113 – Retire WECC Regional Variances in NERC FAC-010 and FAC-011 Existing Variances identify additional outages that must be considered when developing SOL Methodology The WECC Reliability Subcommittee believes these can be retired – New TPL – Other NERC Standards – Can’t be implemented 7 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

Retire WECC Regional Variances in NERC FAC-010 and FAC-011 NERC is conducting a periodic review of several FAC Standards including FAC-010 and FAC-011 Desire is to have any WECC revisions completed prior to completion of NERC activity 8 W ESTERN E LECTRICITY C OORDINATING C OUNCIL

NERC BAL Ballot closed March 18, 2015 Failed to achieve approval – 59.30% Very few negative votes from the West – The majority of negative votes appear to be from the NPCC, SERC, and Florida areas 9 W ESTERN E LECTRICITY C OORDINATING C OUNCIL