Beyond Electric Power

Since its establishment in 1988, Dongwoo Electric has strengthened its global competitiveness by meeting the needs of
the market through the best technology in the power utility.

Present-2021

Challenges for Global Businesses

  • 2024. Acquired Anti-Bribery Management System (ISO 37001)

    2024. Developed HV LPIT (Low Power Instrument Transformer)

    2024. Developed 29kV Eco-friendly Gas Switchgear

    2024. Developed 25.8kV Dry-air Insulation Load Break Switch (KEPCO)

  • 2023. Developed Insulation Monitoring Device (IMD1000, CP15K)

    2023. Developed IEC 61850 Digital Substation

    2023. Developed 170kV Gas Insulation Switchgear

    2023. Established Extra-high Voltage Plant in Naju

  • 2022. Launched Extra-high Voltage Division

  • 2021. Selection of Energy Specialized Enterprises (Ministry of Commerce and Industry)

    2021. Developed 25.8kV Eco Load Break Switch (Automatic / DS) (KEPCO)

    2021. Developed 25.8kV Eco-friendly Gas Switchgear (KORAIL)

    2021. Exported 24kV Solid Recloser to Indonesia

2010 to 2020

Quality improvement and R&D to leap to the top

  • 2020. 1000 National Representatives of Innovative Companies selected

    2020. Developed 29kV Single-phase Railway Load Break Switch (KORAIL)

    2020. Supplied Metal Parts (Distribution / Transmission) (KEPCO)

  • 2019. Strong & Innovative Company 100 (Core materials, Components and Equipment)

    2019. Energy Valley Star Company Selection (KEPCO)

    2019. Supplied 15kV & 36kV SF6 Recloser (Philippines)

    2019. Supplied 25.8kV Pole & Pad Mounted Transformer (KEPCO)

    2019. ANSI Type Pole/Pad/Power Transformer Delivery Starts (Philippines)

    2019. Supplied 13.2/34.5kV Pole/Pad Mounted & Power Transformer (Philippines)

  • 2018. Supplied 25.8kV E-GIS (Dry-air Gas Insulated Switchgear) (KEPCO)

    2018. Relocated Power Utility Division to Naju Plant

    2018. Established Naju Pant

  • 2017. Received Bronze Tower Order of Industrial Merit

  • 2016. Relocated / Expanded headquarters (Pyeongtaek Plant)

    2016. Established Headquarters with main plant

  • 2010. Established Ulsan Plant

1988 to 2009

Ambitious first step as a transformer and insulator maker

  • 2008. INNO-BIZ certification and release of epoxy insulation

  • 2007. Established Gyeongju Plant

  • 2006. Acquired INNO-BIZ

  • 2004. KEPIC-EN Nuclear Certification

  • 2003. Renamed as Dongwoo Electric Corp.

  • 2000. Establishment of R&D Center

  • 1997. ISO 9002 / KSA 9002 Certification

  • 1995. Developed Epoxy Insulator

  • 1991. Started production of Instrument Transformer & Voltage Transformer

  • 1988. Developed 24kV Indoor Instrument Transformer

    1988. Established Dongwoo Electric Ltd.,