Sam Switch to Navarro

The Sam Switch to Navarro transmission project is a single circuit 345 kV line on a double circuit capable tower arrangement.  Construction began November 2011 and was completed July 31, 2012. The final in-service date for the line was March 31, 2013. The project is part of Lone Star Transmission’s strategy to transport more wind energy from western Texas wind farms to load areas in the eastern part of Texas.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
Lone Star Transmission 35 345 TX TX 2013
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
51.6 Operating CREZ Sam Switchyard Navarro
Interstate Build Start NERC ISO/RTO Country Project Partners
2011 TRE ERCOT US NextEra