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Wyoming's First Advanced Nuclear Reactor Construction Begins Amid Energy Demand Surge
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NPR News5/2/2026Energy5 min readUnited States

Wyoming's First Advanced Nuclear Reactor Construction Begins Amid Energy Demand Surge

Terra Power's facility, backed by Bill Gates, aims to power half a million homes and tech data centers, sparking debate over nuclear's environmental future and taxpayer costs.

Quick Look

  • Construction has begun on Terra Power's advanced nuclear reactor in Wyoming, aiming to meet surging energy demand from AI data centers.
  • The project, a collaboration between private companies and the government, faces scrutiny over environmental impact and taxpayer funding.

AI-generated summary

Why It Matters

The U.S. is embarking on building new nuclear reactors, a significant development after decades of limited construction. This project by Terra Power, founded by Bill Gates, utilizes advanced designs and aims to address the growing energy demands driven by AI and data centers, while also seeking to overcome past public opposition to nuclear power.

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The construction of an advanced nuclear reactor, the fourth in the U.S. this century, has begun in Kemmerer, Wyoming. Terra Power, a company founded by Bill Gates, aims to build a new generation of safer and quicker nuclear plants, positioning Wyoming as a future energy exporter.

Chris Levesque, CEO of Terra Power, stated that the project is similar in many aspects to older coal plants, despite being an advanced design. He highlighted the current energy crisis and the projected 130% increase in energy demand by 2030 due to the AI boom, as per the International Energy Agency. This surge is driving significant investments from big tech companies and the federal government into new nuclear power plants.

The Nuclear Regulatory Commission granted Terra Power final approval in March, concluding five years of studies. Kemmerer was chosen over other western towns, indicating a shift from past public opposition to nuclear power, with communities now vying for such projects. Levesque noted that new technologies and the demand for low-emission power are changing perceptions. The Kemmerer plant will feature underground construction and use liquid sodium metal for cooling instead of water.

If completed by 2031, the plant is expected to power nearly half a million homes, likely serving nearby Salt Lake City. Terra Power has also secured agreements with META to power its data centers. Levesque emphasized the project's bipartisan support, having navigated multiple administrations and congressional controls.

Wyoming's Republican Senators and Governor Mark Gordon have praised the project. The Department of Energy's pilot program, initiated during the Trump administration, was partially funded by the Biden-administration's Infrastructure Law, contributing approximately two billion dollars. Neighboring states like Idaho and Utah are also actively pursuing nuclear energy development. Utah Governor Spencer Cox announced Utah's application to become a nuclear hub, emphasizing the necessity of nuclear energy for energy abundance.

However, some environmentalists question the 'green' label of nuclear energy, citing the legacy of uranium mines and radioactive waste, particularly in Indian Country. Lexi Tuddenham, executive director of Healthy Environment Alliance Utah (HEAL), expressed concern about siting a nuclear hub near the drying Great Salt Lake and questioned the long-term taxpayer burden for future nuclear projects.

Terra Power asserts that its plant will store spent fuel on-site safely until a permanent repository is approved, and its advanced technology produces less waste than legacy plants.

In Kemmerer, a town of 3,000 that has faced economic decline since the West Coast divested from coal, there is optimism about the nuclear project. City administrator Brian Muir noted the creation of hundreds of skilled jobs. The old coal plant will continue some operations, converting generators to natural gas to preserve about 100 jobs. Muir highlighted the town's understanding of various energy forms and their associated benefits and risks.

What to Watch

AI outlook β€” possibilities, not facts

  • Further inter-state competition for Department of Energy nuclear hub designations will intensify.

    Very likely Β· Within months

  • Public debate around the 'green' credentials of nuclear energy and its waste disposal will continue and potentially escalate.

    Likely Β· Ongoing

  • Additional partnerships between nuclear energy companies and major tech firms for data center power will be announced.

    Likely Β· Within months

Open Questions

  • What is the exact cost to taxpayers for the Terra Power plant beyond the initial $2 billion from the Infrastructure Law?
  • What specific safety measures are in place for the liquid sodium metal cooling system?
  • How will the spent nuclear fuel from the Kemmerer plant be stored long-term if a permanent repository is not approved?
  • What are the specific environmental impacts of enriching and recycling nuclear fuel at the proposed Utah hub?

Related Topics

This article was originally published by NPR News.

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