, abbreviated as Chuden in Japanese, is a Japanese
electric utilities
An electric utility, or a power company, is a company in the electric power industry (often a public utility) that engages in electricity generation and Electricity retailing, distribution of electricity for sale generally in a regulated market. El ...
provider for the middle
Chūbu region
The , Central region, or is a region in the middle of Honshū, Japan's main island. In a wide, classical definition, it encompasses nine prefectures (''ken''): Aichi, Fukui, Gifu, Ishikawa, Nagano, Niigata, Shizuoka, Toyama, and Ya ...
of the
Honshu
, historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the list of islands by area, seventh-largest island in the world, and the list of islands by ...
island of Japan. It provides electricity at 60 Hz, though an area of
Nagano Prefecture
is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Nagano Prefecture has a population of 2,007,682 () and has a geographic area of . Nagano Prefecture borders Niigata Prefecture ...
uses 50 Hz. Chubu Electric Power ranks third among Japan's largest electric utilities in terms of power generation capacity, electric energy sold, and annual revenue. It is also one of
Nagoya
is the largest city in the Chūbu region of Japan. It is the list of cities in Japan, fourth-most populous city in Japan, with a population of 2.3million in 2020, and the principal city of the Chūkyō metropolitan area, which is the List of ...
's "four influential companies" along with
Meitetsu
, publicly trading as , is a private railway company operating around Aichi Prefecture and Gifu Prefecture of Japan.
Some of the more famous trains operated by Meitetsu include the '' Panorama Car'' and the '' Panorama Car Super'', both of w ...
,
Matsuzakaya
(Tokyo Stock Exchange, TYO: 8235, delisted) is a major Japanese Depato, department store chain operated by Daimaru Matsuzakaya Department Stores, a subsidiary of J. Front Retailing. When the chain was an independent company, , it had its headq ...
, and
Toho Gas
, commonly written as 東邦ガス, is a Japanese gas company based in Nagoya, Japan. It supplies gas to the Tōkai region, especially the Chūkyō metropolitan area. It is also one of Nagoya's "four influential companies" along with Meitetsu, Mat ...
. Recently, the company has also expanded into the business of optical fibers. On January 1, 2006, a new company, Chubu Telecommunications, was formed.
History
In 2008, Chubu Electric formed a joint joint venture with
French utility company
EDF to purchase coal. In 2016, Chubu Electric acquired EDF Trading’s coal and freight business and passed it onto its subsidiary
JERA. EDF Trading acquired a 33 per cent stake in JERA Trading as a part of the transaction while JERA took full control of the Amstuw BV, the operator of the Rietlanden coal terminal in the
Netherlands
, Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...
and EDF Trading Australia.
In 2015, Chubu Electric and
Tokyo Electric Power Company
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 Uchisaiwaicho, Chiyoda, Tokyo, an ...
(TEPCO) created a 50:50 joint venture
JERA to handle the upstream energy and
Liquefied natural gas
Liquefied natural gas (LNG) is natural gas (predominantly methane, CH4, with some mixture of ethane, C2H6) that has been cooled to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the volume o ...
(LNG) fuel procurement for both companies. In March 2017, the two companies signed an agreement to integrate their fossil fuel power plants under the JERA joint venture. The
Fair Trade Commission (FTC) approved the integration plan in 13 October 2017.
In August 2013, Chubu announced it would acquire an 80% stake in the
Tokyo
Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...
-based electricity supplier, Diamond Corp, marking the firm's entry into a market usually associated with
Tokyo Electric Power Company (TEPCO).
In November 2019, a consortium of
Mitsubishi
The is a group of autonomous Japanese multinational companies in a variety of industries.
Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group traces its origins to the Mitsubishi zaibatsu, a unified company that existed from 1870 to 194 ...
(80%) and Chubu Electric (20%) bought
Dutch utility company
Eneco
Eneco, the trading name of Eneco Groep N.V., is a producer and supplier of natural gas, electricity and heat in the Netherlands, serving more than 2 million business and residential customers. The company's headquarters are located in Rotter ...
for €4.1bn ($4.5bn). In February 2024, Chubu Electric and Eneco signed an agreement to acquire 30 per cent of Ecowende, the developers of the
Hollandse Kust West Offshore Wind Farm.
In April 2020, the logo mark was renewed. The renewed logo is named "The Beam."
On 18 September 2022, Chubu Electric Power announced that it was a part of an investor consortium led by
Japan Industrial Partners
Japan Industrial Partners, Inc. is a Japanese private equity firm based in Tokyo. Founded in 2002, it received investment from firms including Mizuho Financial Group and Bain & Company. Its CEO is Hidemi Moue.
History
In 2007, Japan Industrial ...
seeking to buy
Toshiba
is a Japanese multinational electronics company headquartered in Minato, Tokyo. Its diversified products and services include power, industrial and social infrastructure systems, elevators and escalators, electronic components, semiconductors ...
. Chubu Electric contributed ¥100 billion out of the ¥2 trillion (USD 15.2 billion) valuation.
In May 2022, Chubu Electric bought some stake in Indian solar energy company
OMC Power. And in November 2024, Chubu Electric expanded its investment in
OMC Power to boost energy transition in India.
Power Stations
The company has 197 separate generating units with a total capacity of 32,828 MW.
Hydroelectric

The company has 183 separate hydro generating stations with a total capacity of 5,219 MW.
*
Iwazu Hydroelectric Generating Station
*
Kamiōsu Dam (1,500 MW)
*
Takane Dam I (340 MW)
*
Takane Dam II (25 MW)
*
Kamiasō Dam
Thermal power stations
The company has 11 separate thermal power stations with a total capacity of 23,969 MW.
*
Kawagoe Power Station (
Natural Gas
Natural gas (also fossil gas, methane gas, and gas) is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon dioxide and nitrogen, hydrogen sulfide and helium ...
,
Combined cycle
A combined cycle power plant is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy. On land, when used to make electricity the most common type is called a combined cycle gas turb ...
, 4,802 MW)
*
Chita Thermal Power Station (Natural Gas,1,708 MW)
*
Atsumi Thermal Power Station (crude and heavy oil, 1,400 MW)
*
Nishi-Nagoya Thermal Power Station (Natural Gas, 2,376 MW)
*
Hekinan Thermal Power Station (
Coal
Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other Chemical element, elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.
Coal i ...
, 4,100 MW)
*
Shin-Nagoya Thermal Power Station (Natural gas, Combined cycle, 1,458 MW)
*
Chita Daini Thermal Power Station (Natural gas, 1,708 MW)
*
Taketoyo Thermal Power Station (coal and biomass, 1,070 MW)
*
Owase Mita Thermal Power Station (crude and heavy oil, 875 MW)
*
Yokkaichi Thermal Power Station (Natural Gas, 1,245 MW)
Nuclear power stations
*
Hamaoka Nuclear Power Plant (3,617 MW)
On 6 May 2011, Prime Minister
Naoto Kan
is a Japanese former politician who served as Prime Minister of Japan and President of the Democratic Party of Japan (DPJ) from June 2010 to September 2011.
Kan was the first Prime Minister since the resignation of Junichiro Koizumi in 2006 to ...
requested the Hamaoka Nuclear Power Plant be shut down as an earthquake of magnitude 8.0 or higher is estimated 87% likely to hit the area within the next 30 years. Kan wanted to avoid a possible repeat of the
Fukushima I nuclear accidents. On 9 May 2011, Chubu Electric decided to comply with the government request. In June, Chubu Electric received a ¥100 billion ($1.24 billion) loan from the
Development Bank of Japan
is a Japanese development bank incorporated on 1 October 2008 under the Development Bank of Japan Inc. Law (Law No. 85 of 2007). Current ownership structure of DBJ is solely owned by the Government of Japan through the Minister of Finance.
Ov ...
to finance natural gas purchases to make up the shortfall in power caused by the shutdown of Hamaoka. In July 2011, a mayor in
Shizuoka Prefecture
is a Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,555,818 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Pref ...
and a group of residents filed a lawsuit seeking the permanent decommissioning of the reactors at the power plant .
18–20 m breakwater walls were constructed around the nuclear power plant between 2011 and 2013. In January 2024, Chubu Electric president Kingo Hayashi told a news conference that the firm was keen on restarting the Unit No. 4 subject to the completion of environment and safety reviews by the
Nuclear Regulation Authority (NRA).
In 2012, Chubu Electric proposed to build dry storage facilities to accommodate the spent fuel that has accumulated in the storage pools that were to be decommissioned.
In August 2021, Chubu Electric reported that fire alarms had been triggered at the suspended Unit No. 5. There were no reported injuries or radiation leak and the company's statement reported that the local fire service confirmed that there was no fire.
Other facilities
*
Higashi-Shimizu Frequency Converter
References
External links
*
Chubu Electric Power Financial Report for Fiscal 2010* Wiki collection of bibliographic works on Chubu Electric Power
{{Authority control
Electric power companies of Japan
Natural gas companies of Japan
Nuclear power companies of Japan
Companies based in Nagoya
Energy companies established in 1951
Non-renewable resource companies established in 1951
Japanese companies established in 1951
Companies listed on the Osaka Exchange
Companies in the Nikkei 225