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Western Electricity Coordinating Council 1 WECC MIC Meeting Report on Operating Transfer Capability Policy Committee (OTCPC) Spokane June 26 & 27, 2008.

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Presentation on theme: "Western Electricity Coordinating Council 1 WECC MIC Meeting Report on Operating Transfer Capability Policy Committee (OTCPC) Spokane June 26 & 27, 2008."— Presentation transcript:

1 Western Electricity Coordinating Council 1 WECC MIC Meeting Report on Operating Transfer Capability Policy Committee (OTCPC) Spokane June 26 & 27, 2008

2 Western Electricity Coordinating Council 2 Major Topics – 2008 Summer Study Results -- California / Mexico Subregion -- Northwest Subregion -- Southwest Subregion -- Rocky Mountain Subregion

3 Western Electricity Coordinating Council 3 California / Mexico Subregion – Summer 2008 * The increase in SCIT is mainly due to the new Miguel – Sycamore #2 230 kV line, which came in service late 2006, the new Miguel – Old Town 230 kV line, and 2x63 MVAr shunt capacitors at Miguel 230 kV.. Path Name Path Number Rating (MW) Proposed 2008 Summer OTC (MW) 2008 Spring OTC (MW) 2007 Summer OTC (MW) California W COI (N-S) (N-S) PDCI (N-S) (N-S) Midway – Los Banos (S-N) (S-N) SCIT NA ,200*15,200*16,100* Midway Midway - Vi ncent (N-S) (N-S)

4 Western Electricity Coordinating Council 4 Northwest Subregion - Summer 2008

5 Western Electricity Coordinating Council 5 Rocky Mountain Subregion – Summer 2008 * WITH NUCLA AT 80 MW AND SW COLO LOAD 100 MW ** Miracle Mile-Laramie and Beaver Creek-Hoyt Construction Outages *** Snowy Range-Cheyenne Construction Outages PathWECC Path Number Rating (MW) 2008 Summer OTC (MW) 2007 Summer OTC (MW) 2008 Spring OTC (MW) Winter OTC (MW) TOT1A TOT2A *690*660* TOT **1506*** TOT

6 Western Electricity Coordinating Council 6 Southwest Subregion – Summer 2008 PATH NAME WECC PATH NUMBER RATING OF PATH (MW) 2008 SUMMER SOL (MW) 2007 SUMMER SOL (MW) 2008 SPRING SOL (MW) Four Corners West222325MW Nominal (Nomogram) 2325MW Nominal (Nomogram) 2325MW Nominal (Nomogram) 2325MW Nominal (Nomogram) Cholla-Pinnacle Peak MW

7 Western Electricity Coordinating Council 7 Implementation Time Schedule These limits apply to the 2008 summer operating season starting June 1, 2008, and ending no later than October 31, 2008 pending completion of: –The Operating Procedures Review Group’s acceptance of the associated summer operating procedures for each of the interties and those operating procedures (including system monitoring and curtailment responsibilities) being implemented, and –Operating training and direction required to ensure operation within the established operating limits.

8 Western Electricity Coordinating Council 8 MIC Issues? QUESTIONS or COMMENTS


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