Japan Atomic Power Company

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Japan Atomic Power Company
Private company
Genre Power Generation
Founded 1957
Headquarters Tokyo, Japan
Revenue ¥156,811 million (2006)
Total assets ¥625,400 million
Website www.japc.co.jp

The Japan Atomic Power Company (日本原子力発電, Nihon Genshiryoku Hatsuden, JAPC) is a company initially formed to jump start the commercial use of nuclear power in Japan, and currently operates two different sites. According to the official web site, JAPC is "the only power company in Japan solely engaged in nuclear energy".[1]

JAPC owns both units at the Tōkai Nuclear Power Plant and the Tsuruga Nuclear Power Plant with plans to expand at Tsuruga.

The company is jointly owned by Japan's major electric utilities: The Tokyo Electric Power Company (28.23%), Kansai Electric Power (18.54%), Chubu Electric Power (15.12%), Hokuriku Electric Power Company (13.05%), Tohoku Electric Power (6.12%), and Electric Power Development Company (J-Power) (5.37%).


On 11 March 2011 several nuclear reactors in Japan were badly damaged by the 2011 Tōhoku earthquake and tsunami. The Tōkai Nuclear Power Plant lost external electric power, experienced the failure of one of its two cooling pumps, and two of its three emergency power generators. External electric power could only be restored two days after the earthquake.[2][3]

Selling Uranium stock[edit]

In February 2013 in an attempt to raise money to be able to pay back loans due in April 2013, Japan Atomic Power did sell part of its uranium-stock. Streamlining and selling the uranium would be needed to pay back 40 billion yen. After April 2013 the major shareholders were expected to guarantee the payments for some 100 billion yen in loans. Japan Atomic Power refused to disclose the buyer.[4]

Activities Abroad[edit]

Japan's first nuclear activity in a previously non-nuclear country will be four 1000 MW reactors at Ninh Thuận 2 Nuclear Power Plant. The feasibility study to be carried out by Japan Atomic Power Company.[5] Japan Atomic Power Company will also consult the project.[6][7] The plant will be built by a consortium, International Nuclear Energy Development of Japan Co, which comprises 13 Japanese companies.[8] The plant will be owned and operated by state-owned electricity company EVN.

Unit 1 is expected to be commissioned in 2021, unit 2 in 2022, unit 3 in 2024 and unit 4 in 2025.[5]


  1. ^ "Corporate Overview". Japan Atomic Power Company. Archived from the original on 2008-11-13. Retrieved 2008-01-08. 
  2. ^ "Cooling system pump stops at Tokai No.2 plant-Kyodo; Energy & Oil; Reuters". af.reuters.com. 13 March 2011. Retrieved 13 March 2011. 
  3. ^ Takenaka, Kiyoshi (13 March 2011). "Tokai No.2 nuke plant cooling process working - operator | Reuters". uk.reuters.com. Retrieved 13 March 2011. Japan Atomic Power said Monday that the cooling process was working at its Tokai No.2 nuclear power plant's reactor although two of the three diesel power generators used for cooling were out of order. 
  4. ^ The Mainichi Shimbun (21 February 2013) Japan Atomic Power takes rare step to sell uranium for loan payment
  5. ^ a b "Vietnam signs up Japan for Ninh Thuan 2". Nuclear Engineering International. 2010-11-03. Retrieved 2011-12-03. 
  6. ^ Peixe, Joao (2011-10-01). "Japan Offers Consultant Services for Vietnamese Nuclear Power Plant". OilPrice.com. Retrieved 2011-12-03. 
  7. ^ "JAPC to assess Vietnamese project". World Nuclear News. 2011-09-28. Retrieved 2011-12-03. 
  8. ^ Tsukimori, Osamu (2011-09-29). "Japan consortium, EVN to tie up on Vietnam nuclear plant". Reuters. Retrieved 2011-12-03.