is an
electric utility
An electric utility is a company in the electric power industry (often a public utility) that engages in electricity generation and distribution of electricity for sale generally in a regulated market. The electrical utility industry is a major pr ...
, servicing 7.6 million individual and corporate customers in six prefectures in
Tōhoku region
The , Northeast region, or consists of the northeastern portion of Honshu, the largest island of Japan. This traditional region consists of six prefectures (''ken''): Akita, Aomori, Fukushima, Iwate, Miyagi, and Yamagata.
Tōhoku reta ...
plus
Niigata Prefecture
is a prefecture in the Chūbu region of Honshu of Japan. Niigata Prefecture has a population of 2,227,496 (1 July 2019) and is the fifth-largest prefecture of Japan by geographic area at . Niigata Prefecture borders Toyama Prefecture and ...
. It provides electricity at 100 V, 50 Hz, though some area use 60 Hz.
Tohoku Electric Power is the fourth-largest electric utility in Japan in terms of revenue, behind
TEPCO
, also known as or TEPCO, is a Japanese electric utility holding company servicing Japan's Kantō region, Yamanashi Prefecture, and the eastern portion of Shizuoka Prefecture. This area includes Tokyo. Its headquarters are located in Uchi ...
,
KEPCO and
Chubu Electric Power
, abbreviated as Chuden in Japanese, is a Japanese electric utilities provider for the middle Chūbu region of the Honshu island of Japan. It provides electricity at 60 Hz, though an area of Nagano Prefecture uses 50 Hz. Chubu Electric ...
.
Shareholders
*
Nippon Life Insurance Company 3.9%
*
Japan Trustee Services Bank
, or JTSB, is a trust bank in Japan.
JTSB is a joint venture between Resona Bank and Sumitomo Mitsui Trust Holdings, and acts as a subcontracted trustee for both banks to hold their customers' assets, which include pension fund and investment tr ...
3.8%
*
The Master Trust Bank of Japan
is a trust bank in Japan. It was founded in 2000 and claims to be the first trust bank in Japan to be exclusively engaged in asset administration business.
The company's shareholders are Mitsubishi UFJ Trust and Banking Corporation (46.5%), ...
3.6%
Accidents
On 11 March 2011, several nuclear reactors in Japan were badly damaged by the
2011 Tōhoku earthquake and tsunami
The occurred at 14:46 JST (05:46 UTC) on 11 March. The magnitude 9.0–9.1 (M) undersea megathrust earthquake had an epicenter in the Pacific Ocean, east of the Oshika Peninsula of the Tōhoku region, and lasted approximately six mi ...
.
In the
Onagawa Nuclear Power Plant
The is a nuclear power plant located on a 1,730,000 m2 (432 acres) site in Onagawa in the Oshika District and Ishinomaki city, Miyagi Prefecture, Japan. It is managed by the Tohoku Electric Power Company. It was the most quickly constructed nu ...
a fire broke out in the turbine section of the plant.
In order to make up for the loss of electricity from the damaged reactor plant, Tohoku announced it would restart a mothballed natural gas power plant. The
liquefied natural gas
Liquefied natural gas (LNG) is natural gas (predominantly methane, CH4, with some mixture of ethane, C2H6) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the vol ...
and oil-fired No. 1 unit at the Higashi Niigata plant in Niigata prefecture has a 350-megawatt capacity and could be in operation by early June 2011.
['' People's Daily'', "Japanese power company not to start rolling blackouts in quake, tsunami-hit region", 25 March 2011.]
See also
*
Energy in Japan
*
Nuclear power in Japan
Prior to the 2011 Tōhoku earthquake and tsunami, Japan had generated 30% of its electrical power from nuclear reactors and planned to increase that share to 40%. Nuclear power energy was a national strategic priority in Japan.
, of the 54 nu ...
References
*
Tohoku Electric Power Annual Report 2010'
*
Tohoku Electric Power Financial Report (FY2010)'
External links
*
Electric power companies of Japan
Nuclear power companies of Japan
Companies based in Sendai
Energy companies established in 1955
Non-renewable resource companies established in 1955
Companies listed on the Tokyo Stock Exchange
Companies listed on the Osaka Exchange
Japanese companies established in 1955
{{Japan-company-stub