Western Electricity Coordinating Council Status of NERC Standards Activity WECC PCC Meeting March 6-7, 2008

Western Electricity Coordinating Council 2 Status of NERC Standards Activity TPL Standards update Second version of TPL expected to allow RAS for Generator Tripping for all outages in WECC Certain requirements will be placed on RAS Being referred to as the bifurcated approach Separate RAS requirements for Eastern Interconnection and ERCOT than WECC WECC nearing completion of RAS Whitepaper Will provide justification for RAS Will be provided to NERC and FERC

Western Electricity Coordinating Council 3 Status of NERC Standards Activity Standards Currently Being Balloted Six ATC/TTC and CBM/TRM MOD Available Transfer Capability MOD Capacity Benefit Margin MOD Transmission Reliability Margin Calculation Methodology MOD Area Interchange Methodology MOD Rated System Path Methodology MOD Flowgate Methodology

Western Electricity Coordinating Council 4 Status of NERC Standards Activity Standards Currently Being Balloted (cont.) Six ATC/TTC and CBM/TRM Discussion at Joint Meeting Position paper distributed Recommends approval Minority opinion identified (recommends No vote on MOD-001 and MOD-030) Balloted March 3 -12

Western Electricity Coordinating Council 5 Status of NERC Standards Activity Posted for 30-day Pre-ballot Review NONE

Western Electricity Coordinating Council 6 Status of NERC Standards Activity Posted for Comment EOP – Backup Facilities Identifies backup control center requirements for RCs, BAs, and TOPs WECC Operating Practices Subcommittee (OPS) reviewed draft standard Completed the NERC comment form Copy distributed to WECC Operating Committee and subgroups Generally agreed with draft standard Comment form due March 7

Western Electricity Coordinating Council 7 Status of NERC Standards Activity Posted for Comment (cont.) INT-005, INT-006, and INT-008 Permanent changes to increase the time in WECC for Requests for Interchange (tagging) Urgent action requested by WECC last year WECC Interchange Scheduling and Accounting Subcommittee (ISAS) reviewed draft standard Completed the NERC comment form Copy distributed to WECC Operating Committee and subgroups Agree with WECC timing table changes Comment form due March 8

Western Electricity Coordinating Council 8 Status of NERC Standards Activity Posted for Comment (cont.) FAC-010 and FAC-011 – Clarify what is meant by the term, consequential load Eliminate the phrase, load greater than studied in R2.3.2 of FAC-011 FERC directives Minimal changes to standard Comment form due March 8

Western Electricity Coordinating Council 9 Status of NERC Standards Activity Posted for Comment (cont.) The NERC Transmission Loading Relief (TLR) Reference Manual is posted for a 45- day comment period Not a Standard Soliciting comments to ensure the manual meets industry needs A supporting document for IRO Will ask RCS and RCCWG to comment Comment form due March 29

Western Electricity Coordinating Council 10 Status of NERC Standards Activity Posted for Comment (cont.) PER-004 and PER-005 Applicable to RC BA and TOP RC must be staffed with trained and NERC Certified personnel Must have tools for awareness (IROL and SOL) RC, BA, and TOP must develop a systematic approach to training and training requirements Will ask RCS, RCCWG, and OPS to comment Comment form due April 8

Western Electricity Coordinating Council 11 Status of NERC Standards Activity Drafting Team Nominations None

Western Electricity Coordinating Council 12 Status of Standards Activity For detailed information on all NERC standards activity see the NERC website Go to Standards Page Select Standards Under Development For detailed information on WECC Standards activity see the WECC home page Currently on home page Working on new website Will have a standards page