DC Tie

PVREA Project

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High Plains Express

Nucla Sunshine Project

Wayne Child



High Plains Express


H-Frame transmission linesThe High Plains Express Transmission Project (HPX) includes a consortium of seven western electric transmission owners and an independent transmission company that are participating in a study of a high-voltage backbone transmission system between Wyoming, Colorado, New Mexico and Arizona.


In addition to Tri-State, the consortium participants include Colorado Springs Utilities, Platte River Power Authority, Public Service Company of New Mexico, Salt River Project, Trans-Elect Development Company, Western Area Power Administration and Xcel Energy (Public Service Co. of Colorado).



  •  Learn more about HPX.

















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