ColumbiaGrid supports, belongs to, and participates in a number of reliability and transmission-related organizations in the West.  Our memberships include:

Western Electricity Coordinating Council (WECC)

    • Planning Coordination Committee (PCC)
        •       Transmission Expansion Planning Policy Committee (TEPPC)
    • Operating Committee (OC)
    • Market interface Committee (MIC)

Northwest Power Pool (NWPP)

    • Operating Committee (OC)
    • Transmission Planning Committee (TPC)
      •      Northwest Transmission Assessment Committee (NTAC)


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