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    US approves $1B loan to restart nuclear reactor that can power 800,000 homes

    Sujita Sinha November 19, 2025 4 min read
    Interesting Engineering
    US approves $1B loan to restart nuclear reactor that can power 800,000 homes
    AI Article Summary

    The US Department of Energy has approved a $1 billion loan to restart the Three Mile Island Unit 1 nuclear reactor in Pennsylvania, which can power approximately 800,000 homes. This project, in partnership with Constellation Energy, aims to support Microsoft's data center operations and reflects increased federal interest in nuclear energy amid rising electricity demands. The reactor, dormant since 2019, is expected to resume operation by 2027, providing clean and reliable energy while creating hundreds of jobs. The financing comes from a $250 billion fund dedicated to energy infrastructure projects.

    What This Means for Canadian Contractors

    This project shows how significant federal investments can support the rejuvenation of outdated energy infrastructure, which could influence similar initiatives in Canada. For Canadian builders, this means potential opportunities in nuclear refurbishment and the need to stay informed about energy policy shifts that might create new project pipelines. The approach also underscores the importance of securing long-term power agreements with tech giants as a strategic move in energy project financing.

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