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 November 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.

* Updates since the previous press release underlined.

[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 9:10 am on December 16, a cooperative firm worker discovered the burnt 
 trace in the distribution panel at Centralized Waste Treatment Facility 
 (Miscellaneous Solid Waste Volume Reduction Treatment Building [High 
 Temperature Incinerator Building]). But a smoke was not found. We reported 
 the incident to the fire station at 9:19 am on the same day. At 10:28, we 
 stopped power supply to the distribution panel. Afterwards, as the result 
 of confirmation at the site of this facility by fire station, at 12:05 pm, 
 it is considered that the fire was not occurred. At 2:30 pm, we resumed 
 power supply to the distribution panel. 

*At 9:40 am on December 16, as the decreasing of injecting water was 
 confirmed, we adjusted injection rate of core spray system from approx.1.6
 m3/hour to approx.2m3 /hour. (the injection of feed water system is 
 continuing at 4.5 m3/h)

*At 11:38 am on December 16, as we found that there was high vibration at 
 desalination plant (RO) unit 2-2 high pressure pomp, we manually stopped 
 the desalination plant. We confirmed that there is no water leakage at the 
 site. We will study on its countermeasure later. On the other hand, 
 desalination plant (RO) unit 2-1 is in operation. And water injection to 
 the Reactors will not be affected since the cooling is continued by using 
 processed water in the buffer tank.

·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]
This winter, there will be some minus factors such as the regular inspection 
of Unit 5 at Kashiwazaki-Kariwa Nuclear Power Station. On the other hand, 
there will be several plus factors such as the recovery of the common 
thermal power stations which suffered the earthquake. As a result, we 
expect to secure 54.9 GW (at the end of December), 54.6 GW (at the end of 
January), 53.7 GW (at the end of February) supply power. 
Compared to the maximum demand in the last winter, which is 51.5 GW, we 
will have 2.2 - 3.4 GW generation reserve margin.

We expect to maintain stable power supply this winter, however, as there 
remains possibilities of unplanned shutdowns at our power stations and 
growth in the demand according to the rapid change in the temperature, we 
would like to ask your reasonable effort to save electricity.

We will continue to make our efforts to maintain stable operation and 
maintenance of the power facilities in order to "prevent in principle" the 
planned blackouts and secure power supply.

Appendix: Past Progress (As of 3:00 pm, December 16, 2011) (PDF 228KB)
Appendix: Past Progress (From March 11, 2011 to July 31, 2011) (PDF 225KB)

* Revised past progress