SK E&S

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City Gas

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SK E&S aims to resolve energy inequality by introducing a global safety management system and supplying energy to more regions so that consumers can use city gas safely and conveniently.
  • Increase the supply of city gas by
    attracting fuel cell power plants linked
    to supply areas in the U.S.
  • Safety inspection using drones,
    RBMS* introduction, T-center operation,
    Building a global-level
    safety management system

    *RBMS(Risk Based Management System) :
    Risk-based management system
    for SK E&S city gas pipes.

  • Introduction of new customer services
    such as Energy Diagnosis,
    Energy Companion Business*,
    City Gas Talk, Remote Inspection

    * Energy Companion Business :
    Project to support consulting expenses
    to improve energy efficiency

SK E&S has 7 city gas subsidiaries in 8 regions
across the nation, ranking first with the
largest market share of domestic city gas.

Market Share Total 23.6 billion ㎥ (as of the end of 2020)
  • SK E&S 22.2% Supply 5.3 billion ㎥
  • Other 23 44.5%
  • Company A 16.5%
  • Company B 8.5%
  • Company C 8.1%

SK E&S is Korea's largest city gas operator
that supplies city gas to about 4.5 million
households in 8 regions across the nation.

  • Ko-one Energy Service
    Since 1980 when Ko-one Energy Service was established, it has supplied city gas to Gangnam, Gangdong, Songpa, and Seocho-gu in Seoul and Gwacheon, Seongnam, Hanam, Gwangju, Icheon, and Yeoju in Gyeonggi-do, Korea.
  • Busan City Gas
    Since 1982 when Busan City Gas was established, it has supplied city gas to the whole region of Busan-si, Korea.
  • Youngnam Energy Service (Gumi)
    Since 1988 when Youngnam Energy Service (Gumi) was established, it has supplied city gas to Gumi-si, Gimcheon-si, Sangju-si, and Mungyeong-si, Seongju-gun, Cheongdo-gun, and Chilgok-gun of Gyeongsangbuk-do.
  • Youngnam Energy Service (Pohang)
    Since 1990 when Youngnam Energy Service (Pohang) was established, it has supplied city gas to Pohang-si, Yeongdeok-gun, and Uljin-gun of Gyeongsangbuk-do, Korea.
  • Chungcheong Energy Service
    Since 1989 when Chungcheong Energy Service was established, it has supplied city gas to Cheongju-si and Jecheon-si, and Jincheon-gun, Eumseong-gun, Danyang-gun, Boeu-gunn, Okcheon-gun, Yeongdong-gun, Goesan-gun, and parts of Jeungpyeong-gun of Chungcheongbuk-do, and Bugang-myeon of Sejong, Korea.
  • Jeonnam City Gas
    Since 1985 when Jeonnam City Gas was established, it has supplied city gas to Suncheon-si and Gwangyang-si, and Gokseong-gun, Gurye-gun, Boseong-gun, and Goheung-gun of Jeollanam-do, Korea.
  • Jeonbuk Energy Service
    Since 1992 when Jeonbuk Energy Service was established, it has supplied city gas to Iksan-si and Jeongeup-si of Jeollabuk-do, Korea.
  • Gangwon City Gas
    Since 1984 when Gangwon City Gas was established, it has supplied city gas to Chuncheon-si and Taebaek-si, and Hongcheon-gun, Yeongwol-gun, and Jeongseon-gun of Gangwon-do, Korea.