Critical grid infrastructure to connect the West
By the numbers
- 732 miles of high-voltage transmission infrastructure consisting of two systems: a 3,000 MW direct current (DC) segment with terminals near Sinclair, Wyo., and Delta, Utah; and a 1,500 MW alternating current (AC) segment 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:
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In the news
"If you're going to be for renewable energy generation, you have to be for transmission."
- Marc Spitzer, FERC Commissioner, October 2009