The West covers all or a portion of Washington, Oregon, Idaho, Montana, Wyoming, South Dakota, Nevada, Utah, Colorado, Arizona, New Mexico and Texas. The West region is part of the wider Western Electricity Coordinating Council (WECC) which is responsible for coordinating and promoting Bulk Electric System reliability in the Western Interconnection.
The region is dominated by large, vertically-integrated utilities with a history of self-build as the primary buyers and suppliers of power. The creation of a regional market has been proposed but multiple efforts to expand the footprint of the CAISO to other Western states have stalled.
- Total Capacity
- Total Generation