Due to the Tohoku-Chihou-Taiheiyou-Oki Earthquake which occurred on March 
11, 2011, TEPCO's facilities including our nuclear power stations have 
been severely damaged. We deeply apologize for the anxiety and 
inconvenience caused.
With regard to the accident at Fukushima Daiichi Nuclear Power Station, on 
April 17, we have compiled the roadmap towards restoration from the 
accident and then we updated the progress status of roadmap considering 
the current situation, on July 19. Accomplishment of the Step1 target 
"Radiation dose is in steady decline" has been confirmed. On October 17, 
we updated the further progress. 
By bringing the reactors and spent fuel pools to a stable cooling 
condition and mitigating the release of radioactive materials, we will 
make every effort to enable evacuees to return to their homes and for all 
citizens to be able to secure a sound life.

Below is the status of TEPCO's major facilities.

* The underlined parts are the updates from the previous press release.

[Nuclear Power Station]

 ·Fukushima Daiichi Nuclear Power Station: Unit 1 to 3: shut down due to 
  the earthquake
    (Units 4 to 6: outage due to regular inspections)

- At 3:05 pm on October 30, we adjusted the amount of water injection to
  the reactor of Unit 1 to approximately 6.5 ㎥/h in order to improve the
  working environment inside the covering, making it sure to mitigate the
  steam emission at the reactor building of Unit 1.
- At 10:00 am on October 30, we started transferring the accumulated water 
  from the basement of the turbine building of Unit 6 to the temporary 
  tank. At 4:00 pm on the same day, we stopped transferring.
- It is confirmed that hydrogen concentration in the exhaust gas of gas
  monitoring system inside the Unit 2's Primary Containment Vessel
  increased to approximately 2.7 % as of 5:00 pm on October 30. Therefore,
  we adjusted the amount of nitrogen gas injection to the Primary
  Containment Vessel to approximately 21 ㎥/h from approximately 16.5 ㎥/h
  at 6:10 pm on the same day so that hydrogen concentration in the
  exhausted gas would not surpass the combustible limiting concentration
  (4%).

 ·Fukushima Daini Nuclear Power Station: 
    Units 1 to 4: shutdown due to the earthquake

 ·Kashiwazaki Kariwa Nuclear Power Station:
    Units 5, 6: under normal operation
    (Units 1 to 4 and 7: outage due to regular inspections)

[Thermal Power Station]
- Power supply has returned to normal and facilities damaged by the 
  earthquake are now being handled in a timely manner.

[Hydro Power Station]
- Power supply has returned to normal and facilities damaged by the 
  earthquake are now being handled in a timely manner.

[Impacts on Transmission Facilities]
- Power supply has returned to normal and facilities damaged by the 
  earthquake are now being handled in a timely manner.

[Impacts on Power Supply and Demand Balance]
Thanks to our all customer's energy-saving efforts, we could successfully 
maintain an even supply-demand balance in this summer. We express our 
deepest appreciation to the efforts.

While we will continue to exert maximum effort to stabilize the supply-
demand balance, we kindly request your continued efforts in keeping 
electricity consumption within reasonable levels.

Appendix: Past Progress (As of 9:00 am on October 31, 2011) (PDF 287KB)
Appendix: Past Progress (From March 11, 2011 to July 31, 2011) (PDF 225KB)

* Revised past progress