Due to the Tohoku-Chihou-Taiheiyou-Oki Earthquake which occurred on March
11th 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 17th, we have put together the roadmap towards restoration from the
accident. 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 from previous press release 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 10:08 am on April 19th we started transferring high level radioactive
wastewater to the Centralized Radiation Waste Treatment Facility. At
9:16 am on April 29th, we temporarily suspended transferring due to the
inspection of transferring facilities. transfer was restarted at 2:05pm
on April 30.
- From April 22nd, we installed the thermocouple-type thermometer and the
radiation dose meter to the concrete pumping vehicle and we investigated
the water level of pool, water temperature, radiation dose, water
analysis etc at the spent fuel pool of Unit 4. As part of the
investigation, we sampled 150 ml of water from the pool on April 28 and
conducted nuclide analysis on April 29. As a result of the analysis,
cesium 134, 137 and iodine 131 were detected.
Fukushima Daini Nuclear Power Station:
Units 1 to 4: shutdown due to the earthquake
Kashiwazaki Kariwa Nuclear Power Station:
Units 1, 5, 6, 7: normal operation
(Units 2 to 4: outage due to regular inspection)
[Thermal Power Station]
- Hirono Thermal Power Station Units 2 and 4: Shutdown due to the
earthquake
- Hitachinaka Thermal Power Station Unit 1: Shutdown due to the earthquake
[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.
[Avoidance of further Implementation on Planned Rolling Blackouts and
Request for Conserving Electricity Consumption]
Currently, we are working to restore electricity supply after our nuclear
and thermal power facilities were severely damaged by
Tohoku-Chihou-Taiheiyou-Oki Earthquake. The widespread understanding and
cooperation of our customers to conserve electricity have contributed to
the improvement of this tight power supply-demand balance situation.
Amidst this backdrop, since the electricity supply will be able to balance
with the demand for the time being, we have decided not to implement
further rolling blackouts in principle.
However, we sincerely ask for your continued cooperation in reducing
electricity consumption due to the possible increase in demand caused by
warmer weather or unexpected trouble at power stations that are currently
being restored to service. In case the electricity supply-demand balance
becomes tighter than expected, we may regrettably need to restart the
implementation of rolling blackouts, with prior notice. We kindly ask for
your cooperation.
We will do our best to maintain this policy of avoiding further
implementation of rolling blackouts during the summer.
Appendix: Past Progress (PDF 109KB)
* Revised past progress