Transmission
PacifiCorp owns and operates one of the largest privately held transmission systems in the nation.
With 17,500 line miles of high-voltage transmission spanning 10 states and a range of climate zones, we’re uniquely able to serve our customers with the diverse and abundant natural resources the West can offer.
Advancing grid reliability and resilience
Transmission expansion
PacifiCorp is expanding the transmission system in the West through Energy Gateway and other projects.
Transmission services
PacifiCorp’s transmission system is managed by Pacific Power and markets transmission services using an Open Access Same-Time Information System (OASIS).
Western grid coordination
PacifiCorp participates in the new Extended Day-Ahead Market, which helps strengthen grid reliability, reduce costs for customers and support greater integration of diverse energy resources.
PacifiCorp is committed to providing non-discriminatory, open-access transmission service. Review standards of conduct »
Transmission system details
Transmission construction projects
Western energy market
