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Pressurized-water reactor (PWR)

A pressurized-water reactor (PWR) is the most common type of nuclear reactor. Water kept under high pressure carries heat from the core to a steam generator, where a separate water loop boils into steam to drive the turbine.

Frequently asked questions

What is the most common reactor type?

The pressurized-water reactor (PWR) is the most widely deployed reactor type worldwide.

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