The , or for short, is the

monopoly A monopoly (from Greek language, Greek and ) is a market in which one person or company is the only supplier of a particular good or service. A monopoly is characterized by a lack of economic Competition (economics), competition to produce ...

electric company of

Hokkaidō is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by railway via the Seikan Tunnel. The ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. It is also known as Dōden and HEPCO. The company is traded on the

Tokyo Stock Exchange The , abbreviated as Tosho () or TSE/TYO, is a stock exchange located in Tokyo, Japan. The exchange is owned by Japan Exchange Group (JPX), a holding company that it also lists (), and operated by Tokyo Stock Exchange, Inc., a wholly owned sub ...

and the . According to the company profile, during fiscal 2011 (i.e. 1 April 2010 to 31 March 2011), 26% of the electricity generated was from nuclear, 31% from coal, 15% from hydro, 8% from oil and 2% from 'new energy' sources. Hokkaido only has one nuclear power station, the

Tomari Nuclear Power Plant The is the only nuclear power plant in Hokkaidō, Japan. It is located in the town of Tomari in the Furuu District and is managed by the Hokkaido Electric Power Company. All of the reactors are Mitsubishi designs. The plant site totals 1,350,0 ...

Facilities

Nuclear Nuclear may refer to: Physics Relating to the nucleus of the atom: *Nuclear engineering *Nuclear physics *Nuclear power *Nuclear reactor *Nuclear weapon *Nuclear medicine *Radiation therapy *Nuclear warfare Mathematics * Nuclear space *Nuclear ...

** Tomari ( :ja:泊発電所) (2,070 MW) *

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 ...

** Tomato-atsuma Thermal Power Station ( :ja:苫東厚真発電所) (1,650 MW) **Naie (奈井江発電所) (350 MW) **Sunagawa (砂川発電所) (250 MW) *

Geothermal energy Geothermal energy is thermal energy extracted from the crust (geology), crust. It combines energy from the formation of the planet and from radioactive decay. Geothermal energy has been exploited as a source of heat and/or electric power for m ...

**Mori ( :ja:森発電所) (2.5 MW) *

Hydro electric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other renewable sources combined and also ...

– 53 dams including the following:Kyogoku pumped storage project is under construction and due for completion in 2015. It will provide 600 MW. ** Kyogoku pumped storage project (600 MW) **Hoheikyo,

Ishikari River The , at long, is the third longest in Japan and the longest in Hokkaidō. The river drains an area of , making it the second largest in Japan, with a total discharge of around per year. It originates from Mount Ishikari in the Daisetsuzan ...

(50 MW) **Kamiiwamatsu,

Tokachi River is a river in Hokkaidō, Japan. Etymology In 1820, the explorer Takeshiro Matsuura (松浦武四郎) proposed "Tokachi" as the name of the surrounding Tokachi Province, with each character corresponding to a Japanese homophone. The provinc ...

(30.4 MW) **Niikappu, Niikappu River (200 MW) **Nokanan, Ishikari River (30 MW) **Okuniikappu, Niikappu River (44 MW) **Shizunai, Shizunai River (48 MW) ** Takami, Shizunai River (200 MW) **Takisato, Ishikari River (57 MW) **Tokachi, Tokachi River (40 MW) **Tomura, Tokachi River (40 MW) **Uryu, Ishikari River (51 MW) *

Oil An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) and lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturate ...

**Date (伊達発電所) (700 MW) **Shiriuchi (知内発電所) (700 MW) **Tomakomai (苫小牧発電所) (250 MW) *

Diesel Diesel may refer to: * Diesel engine, an internal combustion engine where ignition is caused by compression * Diesel fuel, a liquid fuel used in diesel engines * Diesel locomotive, a railway locomotive in which the prime mover is a diesel engine ...

**Onbetsu (音別発電所) (280 MW) Others; *

Wind farms A wind farm, also called a wind park or wind power plant, is a group of wind turbines in the same location used to produce electricity. Wind farms vary in size from a small number of turbines to several hundred wind turbines covering an exten ...

– 3 facilities (1.58 MW) *

Solar Solar may refer to: Astronomy * Of or relating to the Sun ** Solar telescope, a special purpose telescope used to observe the Sun ** A device that utilizes solar energy (e.g. "solar panels") ** Solar calendar, a calendar whose dates indicate t ...

(

photovoltaic Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commercially ...

) energy – 9 facilities (146 kW)

Generating capacity by source

References

External links

Hokkaido Electric Power Co., Inc.
(in English)
HEPCO Sustainability Report 2008
(in English) {{Authority control Nuclear power companies of Japan Electric power companies of Japan Companies based in Sapporo Japanese companies established in 1951 Energy companies established in 1951 1950s initial public offerings Companies listed on the Tokyo Stock Exchange Chūō-ku, Sapporo