Investing in the Future of the Power System

PacifiCorp owns and operates one of the largest privately held transmission systems in the U.S. Our goal is to provide efficient, low cost and reliable transmission services to all users of the system.

PacifiCorp is leading an ambitious, $6 billion-plus investment plan to expand the transmission system in the West.

Transmission Projects & Energy Gateway

Significant additions to our electric transmission system are needed for the coming years. PacifiCorp has projects underway to address those needs – specifically the Energy Gateway projects that will add approximately 2,000 miles of new transmission lines across the West. View current projects »

Transmission Services

PacifiCorp’s transmission business operates independently and markets transmission services using an Open Access Same-time Information System (OASIS). PacifiCorp provides potential customers information about obtaining generation interconnection services and/or transmission services under the Open Access Transmission Tariff. More information on transmission services »

Transmission Facts

transmission lines

Transmission is the network of high-voltage power lines that allows electricity to travel from a generation source to the local distribution system to meet consumer needs.

  • Area served: 750 communities in six Western states
  • System: Interconnected with more than 80 generating plants & 15 adjacent control areas at 124 interconnection points
  • Area covered: Extends more than 15,000 pole miles across 10 states
  • System cost: More than $2 billion

PacifiCorp is committed to providing non-discriminatory, open-access transmission service. Review standards of conduct