Due to the power supply-demand balance, TEPCO has been implementing 
rolling blackout on and after Monday, March 14. We sincerely regret 
to cause the anxiety and inconvenience to our customers and the society.
We appreciate your cooperation in conserving electricity consumption.

○Implementation plan of rolling blackout on Thurs, March 17
  Regional block and time periods planned to have rolling blackout based
  on electricity supply-demand today are as follows.The actual extension
  of blackout for each block are planned to be up to approximately 
  3 hours each. 
  For customers who will be subject to rolling blackout, please 
  be prepared for the announced blackout periods. Also for customers
  who are not subject to blackouts, TEPCO appreciates your continuous
  cooperation in reducing electricity usage by avoiding using 
  unnecessary lighting and electrical equipment. 

[Expected rolling blackout time periods in each region]
Block 5: 6:20  - 10:00 
Block 1: 9:20  - 13:00 
Block 2: 12:20 - 16:00 
Block 5: 13:50 - 17:30 
Block 3: 15:20 - 19:00 
Block 1: 16:50 - 20:30 
Block 4: 18:20 - 22:00 

●Please refer to the attachment1 for the detailed region of the blocks. 
  (The website of TEPCO provides information including "Chome".
  http://www.tepco.co.jp/index-j.html)
●Starting and ending time of blackout periods may slightly differ. 
●Depending on supply and demand conditions on the actual days, planned 
  blac kouts may not been carried out. In addition, in case electricity
  supply and demand exceeds our forecast, we will reconsider the rolling 
  blackout plan and inform you before we implement the revised planned
  blackouts. 
●The blackout may occur in the adjacent areas where the planned blackouts
  are carried out.

○Implementation plan of rolling blackout from Fri, March 18 to Tue, 
  March 22 Please refer to the attachment2 for the detailed plan. 

●Please refer to the attachment1 for the detailed region of the blocks. 
●The rolling blackout will be changed every day. Starting and ending time
  of blackout periods may slightly differ. 
●Depending on supply and demand conditions on the actual days, planned
  blackouts may not been carried out. Also, in case supply and demand 
  exceeds our forecast, we will reconsider planned blackouts and inform 
  you before we implement the new planned blackouts. 

[Others]
●In order to prevent fire, please make sure to switch off the electric
  appliances such as hair drier and to shut down the breaker of 
  distribution board when you leave your house.
●For the customer who has in-house power generation, please secure fuel 
  for generator.

[Improvement for implementing planned blackouts]
●We are basically carrying out the existing plans, but realize that they 
  have problems. We will consider and improve implementation plans from 
  the customers' point of view.

‹Reference>
○Prediction of Demand and Supply on March 16
     Estimated Demand      35,000 MW(18:00∼19:00)
     Supply Capacity       33,000 MW

○Expected demand and supply on March 17
      Estimated Demand     38,000 MW(18:00∼19:00)
      Supply Capacity      33,500 MW

Appendices:

attachment1:Group1(PDF 9.35KB)
           :Group2(PDF 10.1KB)
           :Group3(PDF 9.81KB)
           :Group4(PDF 10.0KB)
           :Group5(PDF 12.7KB)
attachment2:Weekly Schedule of Rolling Blackout (planned)(PDF 18.1KB)