9509 on Tokyo Stock Exchange

Hokkaido Electric Power Company

Logo: Hokkaido Electric Power Company, Public domain, via Wikimedia Commons4

Japanese electric utility company

The Hokkaido Electric Power Co., Inc. (Japanese: 北海道電力株式会社, Hokkaidō Denryoku Kabushiki-gaisha), or Hokuden (ほくでん) for short, is the monopoly electric company of Hokkaidō, Japan. It is also known as Dōden and HEPCO. The company is traded on the Tokyo Stock Exchange and the Sapporo Securities Exchange.2 Its shares trade on Tokyo Stock Exchange under the symbol 9509.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 20, 2026.

Overview

May 1, 1951Founded1

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  • Ticker9509 on Tokyo Stock Exchange1
  • Industryelectricity generation1
  • HeadquartersŌdōri Higashi1
  • Websitewww.hepco.co.jp
  • Legal formkabushiki gaisha1
  • Listed onSapporo Securities Exchange (9509), Tokyo Stock Exchange (9509)1
  • LEI353800XDXIIZDHUO0J513
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address大通東一丁目２番地, 060-8677 北海道 札幌市中央区, Japan3
  • Registered withLegal Affairs Bureau, 4300-01-0223513

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Hokkaido-EPCO-hq-01
Photo: J o, CC BY-SA 3.0, via Wikimedia Commons6

The Hokkaido Electric Power Co., Inc. (Japanese: 北海道電力株式会社, Hokkaidō Denryoku Kabushiki-gaisha), or Hokuden (ほくでん) for short, is the monopoly electric company of Hokkaidō, Japan. It is also known as Dōden and HEPCO. The company is traded on the Tokyo Stock Exchange and the Sapporo Securities Exchange.2

Corporate structure

Hokkaido Electric Power Company sits at the top of its group. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Products and brands

Nuclear

Tomari (ja:泊発電所) (2,070 MW)

Coal

Tomato-atsuma Thermal Power Station (ja:苫東厚真発電所) (1,650 MW)

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Naie (奈井江発電所) (350 MW)

Sunagawa (砂川発電所) (250 MW)

Geothermal energy

Mori (ja:森発電所) (2.5 MW)

Hydro electric – 53 dams including the following:

Kyogoku pumped storage project (600 MW)

Hoheikyo, Ishikari River (50 MW)

Kamiiwamatsu, Tokachi River (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

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

Onbetsu (音別発電所) (280 MW)

Others;

Wind farms – 3 facilities (1.58 MW)

Solar (photovoltaic) energy – 9 facilities (146 kW)

From Wikipedia’s article on Hokkaido Electric Power Company, shared under CC BY-SA 4.0.5

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Acquisitions

  1. Succeeded Japan Electric Generation and Transmission Company1

Timeline

  1. May 1, 1951Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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