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
- June 7, 2021: Initial capacity allocation process begins for interregional TWE Project
- Feb. 26, 2021: FERC approves TransWest’s proposed process for allocating transmission capacity
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
"We need to get aggressive on building the electron superhighway. If we are not able to move forward with availability of transmission, we can study the potential of solar and wind and geothermal until the cows come home and it's not going to get done."
- Interior Secretary Ken Salazar, March 2009, in response to questions at a hearing before the Senate Committee on Energy and Natural Resources