Duke-American Transmission Co.

We bring together the strengths of two leading electric industry companies to build, own and operate new electric transmission facilities throughout North America.

San Luis Transmission Project

A proposal to build a new transmission line in California to enhance delivery of low-cost power for use to transport federal water in the San Joaquin Valley and to Bay Area water agencies and farms.

Lines are conceptual and do not indicate actual routes

PROJECT UPDATE: Duke-American Transmission Co. is conducting an open solicitation process for up to 600 megawatts of bi-directional electric transmission capacity on SLTP. Click here for more information.

Project at a Glance

  • Location: Central Valley of California

Duke-American Transmission Co. in partnership with the Western Area Power Administration is proposing to build a new high-voltage electric transmission line to provide the electricity necessary for the economical and reliable delivery of federal water supplies to the San Joaquin Valley and Bay Area residents, businesses and farms.

Project facts

  • 85-mile, 230,000-volt high-voltage transmission line
  • Will connect WAPA’s Tracy Substation to the San Luis, O’Neill and Dos Amigos substations


Visit the project website, www.sanluistransmission.com, for more information.