WECC has a long history of assuring reliability in the West that began when it was originally formed in 1967 by 40 power systems, then known as the Western Systems Coordinating Council (WSCC).
Since its formation in 1967 with the participation of 40 power systems, which were formerly part of the Western Systems Coordinating Council (WSCC), WECC has had a long history of ensuring reliability in the western region.