What is ColumbiaGrid?


ColumbiaGrid is a non-profit membership corporation formed in 2006 to improve the operational efficiency, reliability, and planned expansion of the Pacific Northwest transmission grid. The corporation itself does not own transmission, but its members and the parties to its agreements own and operate an extensive network of transmission facilities.

ColumbiaGrid has substantive responsibilities for transmission planning ("core" services), reliability, and other development services ("non-core" services). These tasks are defined and funded through a series of “Functional Agreements” with members and other participants. ColumbiaGrid carries out its core reliability grid planning via open and transparent processes open to all interested persons.

Information about membership and various forms of participation and involvement in ColumbiaGrid's  activities is in the Participation section.  For more detail, please consult our bylaws.

Materials related to all aspects of development and corporate business are posted on this website.  This includes a link near the end of the Documents section to activities early in ColumbiaGrid's history. To view our Annual Report, click here.

Sign up here if you would like to add your name to ColumbiaGrid's Interested Persons list, our general information mailing list.


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