The deal includes a $70 million equity investment, with the remaining value delivered through specialized engineering support. This capital influx accelerates Kairos’s efforts to deploy its fluoride salt-cooled, high-temperature reactor technology. The facility, known as Hermes 2, represents the first phase of a broader agreement to provide Google with 500 megawatts of nuclear capacity by 2035.
In section Startups & Technology
Samsung C&T joins Google-backed nuclear project in $100M deal
Samsung C&T has committed up to $100 million in equity and engineering services to support Kairos Power, the startup tasked with delivering a 50-megawatt nuclear reactor for Google by 2030. This partnership injects critical expertise into the project, leveraging Samsung’s experience in constructing a dozen reactors globally.
Kairos is currently developing its infrastructure in Oak Ridge, Tennessee, after receiving Nuclear Regulatory Commission approval in late 2024. The firm relies on TRISO fuel—uranium encapsulated in ceramic and carbon spheres—to enhance safety and prevent meltdowns. By utilizing fluoride salts, the reactor maintains low pressure, mitigating risks associated with traditional high-pressure systems. Samsung’s involvement is expected to streamline the construction timeline, a necessary step for Kairos to meet its ambitious 2030 target for commercial-scale operation.
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