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Published: February 18, 2015

Board Approves ColumbiaGrid 2015 Biennial Tranmission Expansion Plan

At their February 18, 2015 meeting, ColumbiaGrid’s Board of Directors adopted the 2015 Biennial Transmission Expansion Plan. The 2015 Biennial Plan looks at a ten-year planning horizon (2015 through 2024) and includes approximately 56 new transmission projects and enhancements, at an estimated cost of over $2.5 billion, over the ten-year planning horizon. The 2015 Biennial Plan document is posted on ColumbiaGrid’s website and can be found at (

For more information, please contact Paul Didsayabutra at [email protected]


Member: Avista Corporation      Project: ColumbiaGrid     
Avista Corporation

"In ColumbiaGrid, we now have the ability to resolve the three fundamental transmission questions: What transmission facilities should be built? Who should build them? Who should pay for them? With ColumbiaGrid's independent staff and process to resolve disputes, we can answer these questions effectively and in a timely fashion to facilitate our region's new resource development needs."
~~ Jeff Schlect, Manager, Transmission Services, Avista