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Temperatures measured at the bottom of the Unit 2 Reactor Pressure Vessel at Fukushima Daiichi Nuclear Power Station

   Here are the measurement results of temperatures at the bottom of the Unit 2 Reactor Pressure Vessel
   at Fukushima Daiichi Nuclear Power Station.

Monitoring points

Temperature

Temperature Unit:℃、Water Injection Unit：m3/h

○Measurement value (2025/04/07 05:00)

Temp(1)Temp(2)Water Injection
24.523.11.5
    The meaning of the name in the graph and the table is shown below:
      Temp(1)           RPV Temperature(TE-2-3-69R)
      Temp(2)           VESSEL WALL ABOVE BOTTOM HEAD(TE-2-3-69H3)
      Water Injection   Volume of water injection to RPV

  • ※Here are the measurement points for each temperature.新しいウィンドウで開く
  • ※For reference: The following is the “Limiting Conditions of Operations” designated in the implementation plan for temperatures
         at the bottom of the Reactor Pressure Vessel:
    　　　・Temperature at the bottom of the Reactor Pressure Vessel: Within 80℃

Announcement

  • ○Data may change or be missing due to equipment failure or regular inspections.

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