Table 1: The main technical data for the EPR design
  Basic design Basic design
optimisation phase
Rated thermal power (NSSS) MW 4272 4925
Rated electrical power (gross) MW 1609 1850
      • house load MW ~80 ~100
Reactor coolant system:
      • number of loops   4 4
      • operating pressure barabs 155 155
      • RPV inlet/outlet temperature °C 291.3/326.3 292.5/330
      • total flow rate kg/s 21050 22240
Main steam pressure at full load barabs 72.5 74.6
Main steam pressure at hot standby barabs 84 86
Core:
      • number of fuel assemblies   241 241
      • number of control rod assemblies   89 89
      • fuel assembly array   17x17-25 17x17-25
      • active height cm 420 420
      • average linear heat rate W/cm 155 178
      • max. enrichment % U235 5 5
      • Total inventory of fuel Mg 141 141
      • Batch discharge burnup MWd/kg 60 60

Reactor Refurbishment and the Development of Improved Designs:
Dr Wolf-Dieter Krebs (paper authored by Wulf Bürkle)

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