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Published: March 01, 2016

Board Approves ColumbiaGrid 2016 Update to the 2015 Biennial Transmission Expansion Plan

At their February 17, 2016 meeting, ColumbiaGrid’s Board of Directors adopted the Update to the 2015 Biennial Transmission Expansion Plan. The contents of this updated plan include the summary of major activities that occurred after the issuance of the 2015 Biennial Transmission Expansion Plan, such as the implementation of Order 1000, results of 2015 System Assessment, 2015 Sensitivity Studies, economic planning studies, and independent third-party review of the parties’s physical security assessments (CIP-014). The Update to the 2015 Biennial Transmission Expansion Plan document is posted on ColumbiaGrid’s website and can be found at (

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

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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