FACTBOX-Details on Japan's 19 active nuclear reactors

Thu Jun 30, 2011 11:52am GMT
 

 June 30 (Reuters) - The prolonged crisis at the Fukushima
Daiichi nuclear power plant has prompted a review of Japan's
energy policy and stirred questions about how government
officials and industry will deal with the prospect for a power
shortage that could stretch into 2012.	
 Japanese utilities are currently operating 19 of the 54
nuclear reactors that had been available before the March 11
earthquake and tsunami triggered meltdowns and explosions at
four of the reactors at Fukushima Daiichi.	
 The reactors still in operation account for about 36 percent
of the pre-disaster nuclear generation capacity of Japanese
utilities.	
 By the end of September, seven of the 19 operating reactors
are scheduled to be shut for maintenance. By the end of
December, another five are due to shut.	
 Japan's trade ministry said earlier this month that, without
approval to restart reactors now down for maintenance, all of
Japan's reactors could be shut by next April, adding more than
$30 billion to the nation's energy costs. 	
 In Japan, nuclear generators must shut for inspection at
least once every 13 months.  The maintenance period can vary
from a few months to more than a year, and the restart typically
begins with a one- to two-month test run before advancing to
commercial operation, which requires regulatory approval. 	
 Kansai Electric's Ohi No.1 unit and Hokkaido Electric's
Tomari No.3 unit have been supplying power to customers since
March on a test basis. Those two reactors have not yet completed
the process for returning to commercial operating status.	
 The 13-month operating limit begins once a reactor is
approved for commercial operation, although limits to fuel life
prevent reactors from operating indefinitely.	
 The list below shows the location of nuclear power plants
still in operation and the dates by which each is scheduled to
be taken off-line for maintenance.	
 	
Tokyo Electric 	
 Kashiwazaki-Kariwa Unit 1	
 1,100 MW 	
 Planned maintenance by Aug. 6, 2011	
 	
 Kashiwazaki-Kariwa Unit 5	
 1,100 MW	
 Planned maintenance by Jan. 25, 2012	
 	
 Kashiwazaki-Kariwa Unit 6	
 1,356 MW	
 Planned maintenance from March 2012	
 	
 Kashiwazaki-Kariwa Unit 7	
 1,356 MW	
 Planned maintenance by Aug. 23, 2011    	
 	
 	
Kansai Electric 	
 Mihama Unit 2	
 500 MW	
 Planned maintenance by Dec. 19, 2011	
 	
 Ohi Unit 1	
 1,175 MW	
 Planned maintenance expected in or after April 2012	
 	
 Ohi Unit 2	
 1,175 MW	
 Planned maintenance by Dec. 17, 2011	
 	
 Ohi Unit 4	
 1,180 MW	
 Planned maintenance by July 23, 2011	
 	
 Takahama Unit 2	
 826 MW	
 Planned maintenance by Nov. 26, 2011	
 	
 Takahama Unit 3	
 870 MW	
 Planned maintenance by Feb. 21, 2012	
 	
 Takahama Unit 4	
 870 MW	
 Planned maintenance by July 22, 2011	
 	
Kyushu Electric 	
 Genkai Unit 1	
 559 MW	
 Planned maintenance by Dec. 2, 2011	
 	
 Genkai Unit 4	
 1,180 MW	
 Planned maintenance by Dec. 26, 2011	
 	
 Sendai Unit 2	
 890 MW	
 Planned maintenance by Sept. 4, 2011	
 	
 	
Chugoku Electric 	
 Shimane Unit 2	
 820 MW	
 Planned maintenance by Jan. 28, 2012	
 	
 	
Shikoku Electric 	
 Ikata Unit 1	
 566 MW	
 Planned maintenance by Sept. 5, 2011	
 	
 Ikata Unit 2	
 566 MW	
 Planned maintenance by Jan. 14, 2012	
	
     	
Hokkaido Electric 	
 Tomari Unit 2	
 579 MW	
 Planned maintenance by Aug. 28, 2011	
     	
 Tomari Unit 3	
 912 MW	
 Planned maintenance expected in or after April 2012	
	
 (Compiled by Kevin Krolicki and Osamu Tsukimori in Tokyo;
Editing by Edmund Klamann)	
 

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