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Thermal nuclear reactors have their MWt rating 3x of their MWe. All of them produce heat.

Generators? Cooling Plant? I don't know about others, but NuScale Power's SMR has natural circulation an passive cooling.

https://www.nuscalepower.com/about-us/faq

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That's internal passive cooling which they mention briefly in their faq (transferal of heat from their reactor to their output loop). These units take in water and output steam, and they need attached to thermo-electric plant to produce electricity. They are water boilers.

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