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Published: February 28, 2022

Board Approves ColumbiaGrid 2013 Biennial Tranmission Expansion Plan

The Board approved the 2013 Biennial Transmissiono Expansion Plan at their February 20, 2013 meeting. The final document is posted online at

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Member: Tacoma Power      Project: ColumbiaGrid     
Tacoma Power

"As a charter member of ColumbiaGrid, Tacoma Power has observed the benefits for its customers of regional transmission planning. Engaging in the ColumbiaGrid collaborative transmission planning process has fostered diverse and innovative solutions. This open process for identifying and resolving transmission challenges has delivered cost-effective reliability to our entire region."
~~ William A. Gaines, Director of Utilities