Critical grid infrastructure to connect the West
By the numbers
- 732 miles of high-voltage transmission infrastructure consisting of two systems: a 500kV direct current (DC) system with terminals near Sinclair, Wyo., and Delta, Utah; and a 500kV alternating current (AC) system from the Utah terminal to southern Nevada.
- $3 billion estimated cost
- DC system terminals to be phased over time from 1,500 MW to 3,000 MW of transmission capacity
- July 25, 2022: TransWest Express Transmission Project submits application to join California ISO balancing authority
- March 16, 2022: Initial transmission capacity allocation process is complete
BLM and WAPA are joint lead agencies that prepared an Environmental Impact Statement for the TWE Project. USFS was a cooperating agency. Each federal agency has an EIS-related site:
Join TransWest's email list to receive periodic updates and meeting notifications.
Follow us on Twitter.
In the news
"A robust transmission grid provides consumers with access to lower-cost electricity. On a severely constrained transmission grid… consumers are forced to rely on local power plants even though plants in other regions can produce power more efficiently and at lower cost."
- AWEA/SEIA Green Power Superhighways report, February 2009