columbiagrid update wecc ppc june 11, 2010 1. 2 biennial plan update approved by the columbiagrid...
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ColumbiaGrid Update
WECC PPCJune 11, 2010
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Biennial Plan Update Approved by the
ColumbiaGrid Board of Directors on
February 17, 2010
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Updated Information
on Major
Regional Projects
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Historical Usage Information
Northwest to British Columbia
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2010 Transmission System Assessment
• Assessments are completed each year• The 2010 Assessment will be complete in July
– Summer and winter conditions– 5 and 10 years into the future– Problems identified can be addressed by the
transmission owners or through ColumbiaGrid Study Teams
• Transmission owners are also using the assessment to help demonstrate compliance with NERC Reliability Standards
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Northwest Area Coordinator
• ColumbiaGrid officially began performing this function for the Northwest area on March 5, 2010– Previously performed by BPA
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• Mid Columbia Area– Transmission expansion plan complete– Working out cost allocation
• Puget Sound Area– Transmission expansion plan nearing completion– Five projects
• Wind Integration Study Team– Joint with NTTG– Two Efforts
• Dynamic scheduling technical limits• Remote versus local generation
• Cross Cascades Area– New study team formed
Other Planning Activities
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Middle Columbia Area Preferred Plan
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Puget Sound Area Preliminary Plan
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Cross Cascades Study Team