Hartburg-Sabine Junction

The Harburg – Sabine Junction project involves a new 500-kV transmission line along with a new substation in East Texas. Parts of the existing Sabine-McFadden and Sabine-Nederland lines will also be reconfigured. The project is needed to ensure reliability within the existing infrastructure and is expected to be complete in 2023. MISO is currently holding bids for the project from sponsors. According to THUB calculations, the project has an estimated length of 70 miles.

Project Sponsor Line Miles Voltage (kV) From State To State Year in Service
Midcontinent Independent System Operator 70 500 TX TX 2023
Estimated Costs ($M) Voltage Type Project Status Project Group Origin Point Destination Point
130 Planned Sabine Substation Hartburg Substation
Interstate Build Start NERC ISO/RTO Country Project Partners