Print

Language



Corporate Information

 
Press Release (Mar 12,2011)
Plant Status of Fukushima Daiichi Nuclear Power Station (as of 11AM March 12th )
All 6 units of Fukushima Daiichi Nuclear Power Station have been shut down.

Unit 1(Shut down)
- Reactor has been shut down and steam in reactor has been cooled by 
  isolation condenser, but now it is stopped. Because pressure level in 
  reactor containment vessel is increasing, we are implementing a measure 
  to reduce the pressure of the reactor containment vessels in order to 
  fully secure safety.
  Reactor water level is decreasing, we will continue injecting water step 
  by step.  

Unit 2(Shut down)
- Reactor has been shut down and we continue injecting water by Reactor 
  Core Isolation Cooling System. Current reactor water level is lower than 
  normal level, but the water level is steady. We are preparing to 
  implement a measure to reduce the pressure of the reactor containment 
  vessels in order to fully secure safety.   

Unit 3(Shut down)
- Reactor has been shut down and we continue injecting water by Reactor 
  Core Isolation Cooling System. We are preparing to implement a measure 
  to reduce the pressure of the reactor containment vessels in order to 
  fully secure safety.
- Currently, we do not believe there is any reactor coolant leakage inside 
  the reactor containment vessel.

Unit 4 (shut down due to regular inspection)
- Reactor has been shut down and sufficient level of reactor coolant to 
  ensure safety is maintained.
- Currently, we do not believe there is any reactor coolant leakage inside 
  the reactor containment vessel.

Unit 5 (outage due to regular inspection)
- Reactor has been shut down and sufficient level of reactor coolant to 
  ensure safety is maintained.
- Currently, we do not believe there is any reactor coolant leakage inside 
  the reactor containment vessel.

Unit 6 (outage due to regular inspection)
- Reactor has been shut down and sufficient level of reactor coolant to 
  ensure safety is maintained.
- Currently, we do not believe there is any reactor coolant leakage inside 
  the reactor containment vessel.

We measured radioactive materials inside of the nuclear power station area 
(outdoor) by monitoring car and confirmed that radioactive materials level 
is higher than ordinary level. Also, the level at monitoring post is higher 
than ordinary level.

We will continue to monitor in detail the possibility of radioactive 
material being discharged from exhaust stack or discharge canal.

The national government has instructed evacuation for those local residents 
within 10km radius of the periphery because it’s possible that radioactive 
materials are discharged.

Two workers of a cooperative firm were injured in the nuclear power station 
premise.  One with a broken bone was transported to the hospital by an 
ambulance and the other by a company car.
Further, there are 2 TEPCO employees whose presence has not been confirmed.
In addition, one subcontract worker standing near important earth 
quake-proof buidling was unconscious and transported to the hospital by an 
ambulance. 

We are presently checking on the site situation of each plant while keeping 
the situation of aftershock and Tsunami in mind. 
back to page top