Ur-Energy Commences Operations at Its Shirley Basin ISR Project, Wyoming
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Ur-Energy has started uranium mining operations at its Shirley Basin Project in Wyoming.
“Launching initial operations marks a pivotal achievement in Ur-Energy’s growth strategy and plan to expand U.S. uranium production capacity. Two years ago, we committed to building out this project. Today, we have successfully brought a historically significant uranium district back to life, demonstrating disciplined execution of our strategy,” said Matt Gili, CEO and president.
“This accomplishment reflects the dedication and expertise of our teams, who have advanced Shirley Basin from development to operations. It is particularly meaningful as it supports the growing need for secure, domestic uranium supply and underscores our ability to move permitted projects toward production while strengthening our role in the U.S. nuclear fuel cycle,” added Gili.
Uranium bearing solution is now being captured from Mine Unit 1 at Shirley Basin after the successful completion of significant construction, wellfield installation, and permitting. Uranium concentrations in recovered solutions are expected to increase over time as they further condition the wellfield, and all production circuits are brought online. The company expects to transport uranium loaded resin to Lost Creek for processing this summer, subject to an additional regulatory inspection and approval.
The Shirley Basin Project enhances Ur-Energy’s operational flexibility through its integration with existing infrastructure. The anticipated mine life is approximately nine years across three shallow mining units. Uranium is captured on ion exchange resin and transported to the company’s Lost Creek facility for final processing, drying, and packaging.
This milestone marks the successful transition of the company’s second in situ recovery (ISR) mine from development to initial operations and represents a significant expansion of Ur-Energy’s U.S. uranium production capacity. The company’s Shirley Basin Project is situated in the Shirley Basin district, widely recognized as the birthplace of ISR mining, is now returning to active operations under Ur-Energy’s stewardship. With new production anticipated from Shirley Basin, Ur-Energy is well positioned to contribute to growing global uranium demand amid a nuclear energy renaissance.
Ur-Energy is a uranium mining company operating the Lost Creek ISR uranium facility in south-central Wyoming and the Shirley Basin ISR project in central Wyoming. They initiated operations at Shirley Basin, the company’s second ISR uranium project, in April 2026. Ur-Energy is engaged in uranium recovery and processing activities, including the acquisition, exploration, development, and operation of uranium mineral properties in the United States. Ur-Energy’s corporate headquarters is in Casper, Wyoming and its registered office is in Ottawa, Ontario.
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