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Table 9.

Direct water consumption of the nuclear power plants per kWh.

Reactor type Number of reactors Production share Water withdrawal Water release Water consumption – fleet average
(%) (L/kWh) (%) (L/kWh)
Once-through cooling system, ocean 18 28% 182 100% 1.3
Once-through cooling system, river 12 20% 169 99.8%
Cooling tower system, river 28 52% 10 77%

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