After more than a decade of local opposition, EnCore Energy (Nasdaq: EU; TSXV: EU) has received federal approval to begin construction on its Dewey Burdock project in southwestern South Dakota, developing what will become the state’s first in situ uranium (ISR) mine.
The Bureau of Land Management (BLM) this week authorized EnCore’s Powertech company to begin construction of initial infrastructure such as access roads, monitoring wells and power lines on 97 hectares of public land managed by BLM, enCore said Thursday. Dewey Burdock is located in the historic uranium mining district of Edgmont, about 300 km northeast of the state capital Pierre.
“Getting BLM approval to begin construction on BLM lands is a big deal turn(version 1) “For the Dewey Burdock Project,” enCore CEO William H. Sheriff said in a press release.
“Our team’s efforts at the federal level to coordinate permits within the Fast 41 program have greatly enhanced enCore’s ability to move forward,” Sharif said, citing the report. US government initiative (cc2) Which Last August Dewey added Burdock to its list of projects to expedite permit review.
American uranium engine
The move to build EnCore represents one of the most significant federal uranium project permits in the United States this year, amid a broader push to develop more domestic uranium capacity. While the state’s Edgemont region has had open-pit and underground uranium mines in the past, Encore will pioneer intelligence, surveillance and reconnaissance (ISR) mining in South Dakota. In ISR mining, a solution is injected underground through wells, separating the uranium from the ore. The uranium is later recovered from solution at a surface facility.
It also comes after more than a decade of permit reviews and legal challenges from environmental and Indigenous groups that temporarily halted Dewey Burdock’s progress. (cc3) The Nuclear Regulatory Commission granted an ISR license to Dewey Burdock in 2014, which allowed the project to be built and operated.
the Environmental Protection Agency last September It waived a petition filed by the Oglala Sioux Tribe, the Black Hills Clean Water Alliance and the NDN Collective who had challenged permits for the project.
28 years of life
Dewey Burdock hosts 17.1 million measured and indicated pounds of uranium at 0.12% uranium oxide (U₃O₈) and 712,600 inferred pounds at 0.06% uranium, according to the 2024 resource. Dewey Burdock is expected to process 1 million pounds of uranium annually, recovering more than 14 million pounds over its 28-year life.
At an 8% discount, the project has an after-tax net present value of $133.6 million, an after-tax internal rate of return of 33%, and initial capital costs of $264.2 million, according to a 2025 preliminary economic assessment.
Neighboring Wyoming has emerged as the dominant uranium producing jurisdiction in the United States, with the state hosting most of the country’s producing uranium mines.
EnCore’s current producing ISR operations include Rosita and Alta Mesa in Texas.
The company’s shares fell 4% to C$2.21 per share on Friday morning in Toronto, valuing the company at C$429.3 million. The stock has traded in a 12-month range of C$1.76 to C$5.88.
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