All Programs > Planning and Expansion > Biennial Transmission Expansion Plan
Project: Biennial Transmission Expansion Plan

Biennial Transmission Expansion Plan Study Teams

System Assessment

All base cases and study results for the Biennial Plan are posted on the documents tab.
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Puget Sound Area Study Team

Puget Sound Area Study Team
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Northern Mid C Study Team

Northern Mid C Study Team
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Cross Cascades Study Team

Cross Cascades Study Team
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Centralia Closure Study Team

This study will address the effect a closure of the coal portion of the Centralia Power Plant on the transmission grid.
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