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.
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 are underlined.

[Nuclear Power Station]
Fukushima Daiichi Nuclear Power Station:
       Units 1 to 3: shutdown due to the earthquake
       (Units 4 to 6: outage due to regular inspections) 

-At 3:20 pm on August 5, we started freshwater injection into the spent 
 fuel pool of Unit 1 through Spent Fuel Pool Cooling and Filtering System, 
 and finished at 5:51 pm
-At 4:44 pm on August 5, we started freshwater injection into the skimmer 
 surge tank of Unit 3 through Circulating Cooling System, and finished at 
 5:35 pm.
-Accumulated water of low-level contamination had been transferred from 
 Unit 6 turbine building to temporary tanks. At 10 pm on August 5, we 
 restarted transferring the accumulated water from temporary tanks to mega-
 float, and finished at 5 pm.
-At 11 pm on August 5, we restarted transferring the accumulated water on 
 the basement of Unit 6 turbine building to temporary tanks, and finished 
 at 4 pm.
-At 6:20 am on August 6, we stopped the water desalination facility and 
 started inspection of the level switch of water tank of the water 
 desalination facility from 8:30 am.

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

-At 9:31 am on August 5, we started regular inspection about one of the 7 
 monitoring posts (No.4) installed around the site boundary, and finished 
 at 5:40 pm.
-At 6:32 am on July 31, air leak was found at the weld zone of Unit 4 main 
 emission duct by TEPCO employee. Radioactive materials in the air were 
 below measurable limits. No outlier at main emission monitor and 
 monitoring post. This is the same place repaired on June 7. The repair 
 work will be implemented hereafter. At 4:46 pm on August 5, we finished 
 repair work of the leakage.

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

-The 16th Periodical Maintenance of Unit 1 started on August 6.

[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.

[Perspective of Power Supply and Demand Balance in this Summer] 
In regard to the supply side in this summer, taking in account of the 
acceleration of restoration schedule for Hirono Thermal Power Station, 
more purchase of privately generated power, and excluding the power supply 
from 60Hz areas which had been planned (due to the current difficult 
situation), supply capacity outlook is amended to 57.2GW at the end of 
July, and 56.1GW at the end of August.
Also, in order to support the supply and demand balance in the Tohoku area, 
which suffered severe damage from the quake, we would like to supply 
maximum of 1.4GW to Tohoku Electric Power Company by thoroughly 
implementing both supply and demand countermeasures. The supply capacity 
in this regard will be 55.8GW at the end of July, and 54.7GW at the end of 
August.

Estimated peak demand of 55GW for this summer is 5GW lower than that of 
last year. This incorporates the saving of electricity from "Outline of 
Countermeasures for Power Supply and Demand During Summertime" and 
restoration from decrease of production due to the quake.

As the occurrence of unplanned outage of aged thermal power stations or 
sudden increase of demand due to unexpected high temperature during summer 
may cause difficulties in maintaining stable demand supply balance, in 
order to continue to avoid rolling blackouts, we will steadily maintain 
supply capacity, and continue our efforts on reliable operation and 
maintenance of power facilities.

We apologize for the inconvenience this may cause and appreciate for your 
cooperation to save electricity.

Appendix: Past Progress (PDF 232KB)

* Revised past progress