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
- Feb. 21, 2024: TWE Project reaches major application milestone for DOE loan guarantee
- Sept. 21, 2023: TWE Project construction activity begins in Wyoming
- June 30, 2023: Smiles, support surround TWE Project groundbreaking
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
"To accelerate the creation of a clean energy economy, we will double our capacity to generate alternative sources of energy like wind, solar and biofuels over the next three years. We'll begin to build a new electricity grid that lay down more than 3,000 miles of transmission lines to convey this new energy from coast to coast."
- President Barack Obama, weekly address, Jan. 24, 2009