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Coal Plant Site Unveiled for 500-MW Natrium Advanced Nuclear Pilot

November 17, 2021

A site at PacifiCorp’s retiring 600-MW coal and gas–fired Naughton Power Plant in Kemmerer, Wyoming, will house the Natrium demonstration, a pioneering commercial-scale 500-MW project that will pair a 345-MW sodium-cooled fast reactor with a molten salt-based energy storage system.

Project stakeholders on Nov. 16 unveiled the site for the federally backed demonstration, which will validate Terrapower and GE-Hitachi’s advanced nuclear technology design, construction, and operation. But the project—which the Natrium consortium will build but Rocky Mountain Power, a subsidiary of Berkshire Hathaway Energy’s PacifiCorp, will own—has also been much-watched because it promises to demonstrate how advanced nuclear can leverage existing infrastructure to replace fossil power and provide regional flexibility.

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