US nuclear plants are adopting AI assistants in control rooms despite the industry's strict safety culture.

Nearly the entire US fleet of 94 reactors has been offered AI integration, and most operators accepted. Vendors such as Atomic Canyon and Nuclearn now supply assistants for maintenance, compliance and operations.

California startup Atomic Canyon launched its NIVA assistant, the Nuclear Industry Virtual Assistant, in August after developing it with nuclear trade groups. Following a pilot at Constellation Energy, NIVA is now available to the full US reactor fleet. Rival Nuclearn says more than 65 US partners use its tools, including a deployment with NuScale Power on small modular reactors. Microsoft and Nvidia are jointly building a system meant to support a plant's entire life cycle, from permitting through construction to daily operations.

Two forces are driving the pace. Tech companies pushing nuclear revival need steady power for their data centers, and AI happens to fit the industry's hardest problems well: dense regulation, heavy maintenance paperwork and an aging workforce are exactly the tasks language models can speed up without flipping switches themselves.

What remains open is how far regulators will let assistants influence safety critical decisions, and how operators will separate assistant errors from human sign off. Nuclear power has long been one of the most risk averse industries in energy; this fast rollout suggests the staffing shortage currently outweighs that caution. How the approach holds up under a real operational incident is still untested.

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