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
- Three planning regions in the WECC connected by this interregional system
Project updates
- May 6, 2024: TWE Project construction underway for 2024
EIS websites
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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Federal focus
Federal "Rapid Response Team for Transmission" selects TWE Project
• See Permitting Dashboard page
In the news
"In Wyoming, and in the windiest states, massive energy resources from wind. But the transmission is not up to snuff in terms of taking that wind resource and bringing it to areas of high population. … so that means adding infrastructure and that means building additional transmission lines, and that means jobs when you do that."
- Energy Secretary Jennifer Granholm, PBS interview, March 2021