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HIGH VOLTAGE CABLE AND
OVERHEAD CONDUCTOR OF
THE WORLD LEADING COMPANY


 * HOME
 * Products
   * Products List
   * HVDC Cable
   * HVAC Cable
   * Power Cable Accessories
   * Power Cable Monitoring System
   * Overhead Conductor
   * Dynamic Line
     Rating System
 * Topics
   * Submarine Cable
 * Company
   * At a Glance
 * Contact Us
 * 


SUBMARINE CABLE IS A VITAL COMPONENT OF OFFSHORE RENEWABLE ENERGY PROJECTS.


HVDC CABLE TECHNOLOGIES OF SUMITOMO ELECTRIC ENABLE INTERCONNECTION OF POWER
GRIDS BETWEEN COUNTRIES AND ACROSS CONTINENTS TO SECURE RELIABLE ENERGY
INFRASTRUCTURES.


OPTHERMO™ FORECASTS POWER CABLE SYSTEM'S
RELIABILITY IN FUTURE BY MEANS OF ON-LINE
MONITORING AND ANALYSIS.


OVERHEAD CONDUCTORS PLAY A SIGNIFICANT ROLE IN DEVELOPMENT OF THE SOCIETY AND
RELIABLE ENERGY NETWORKS.


THE SUMITOMO ELECTRIC GROUP MOVES FORWARD HAND-IN-HAND
IN ITS CONTRIBUTION TO THE DEVELOPMENT OF SOCIETY
BY CONNECTING WITH CONTINUOUS INNOVATION.

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HIGH VOLTAGE CABLE

We are capable of providing comprehensive services from production to
installation of High Voltage Cable, contributing to power transmission
infrastructure development in Japan and throughout the world. Likewise in the
field of submarine cables, since having installed the world's longest submarine
cable at that time of 21km in 1921, we have to date manufactured and installed
over 6,000km* of submarine cables.
*As of Aug, 2020

High Voltage XLPE Cable is now dominant in new transmission lines for both land
and submarine applications. Utilizing the broad base in technological and
product development knowhow accumulated from the first pioneering steps in this
field way back in the 1960's, we have been leading extra High Voltage XLPE Cable
development including DC application. In 2000, we commissioned the world's first
long distance AC High Voltage XLPE Cable system (500kV) and in 2019 we
successfully put into commercial operation the world's first DC High Voltage
XLPE Cable system (400kV) in UK-Belgium Link (NEMO Linke Project).

 * We provide full support towards its customers on "Full Turn Key" basis by
   providing high technology products, its related accessories and facilities
   from design, development and manufacturing right through to installation
   planning and implementation. We have consistently provided prime quality and
   efficient engineering in diversified arenas such as underground, submarine
   and bridge crossings.

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HISTORY

The history of Sumitomo Electric dates back more than 120 years. Back then,
Japan was still heavily dependent on imports for cables and almost all other
expensive items. To solve the country’s extremely severe situation, and
contribute to realizing a rich, dream-inspiring future, we launched an electric
wire business in 1897. Afterwards, we succeeded in the first domestic production
of high-voltage underground cables and the production and installation of the
world's longest submarine cables. We have thus played an important role in
supporting the development of Japanese industries.
This long history has been underpinned by the Sumitomo Spirit, which has been
passed down from generation to generation for more than 400 years. Sumitomo’s
history, the origin of Sumitomo Electric, began with copper refining business.
Since then, for more than 400 years, we have always strived to conduct business
in harmony with society. Placing our basis on the Sumitomo Spirit, we will
contribute to the development of Japan and the rest of the world, with our
belief in the great potential of innovation.




HEADLINES

April27, 2023 Sumitomo Electric Establishes Power Cable Factory in Scotland,
U.K. September30, 2022 Sumitomo Electric Completes Long-Term Test for 525 kV
Cross-Linked Polyethylene Submarine Cable May25, 2022 Sumitomo Electric
Concludes Contract for High-Voltage Direct Current Submarine Cable Project for
UAE February9, 2022 Sumitomo Electric Secures US$200M Worth 400 kV High-Voltage
Direct Current Submarine Cable Project in UAE November18, 2021 First Supply of
Newly Developed High Conductivity Overhead Conductor to Suppress Carbon Dioxide
Emission


PRODUCTS


 * HVDC (HIGH VOLTAGE DIRECT CURRENT) CABLE
   
   
   
   Sumitomo Electric's HVDC cable technologies enable interconnection of power
   grids between countries and across continents to secure reliable energy
   infrastructures.


 * HVAC (HIGH VOLTAGE ALTERNATIVE CURRENT) CABLE
   
    * HVAC (HIGH VOLTAGE ALTERNATIVE CURRENT) SUBMARINE CABLE
      
      The most reliable submarine cable technology to support future energy
      infrastructures
   
    * HVAC (HIGH VOLTAGE ALTERNATIVE CURRENT) UNDERGROUND CABLE
      
      Sumitomo Electric's HVDC cable technologies enable interconnection of
      power grids between countries and across continents to secure reliable
      energy infrastructures.


 * POWER CABLE ACCESSORIES
   
   Reliable power cable accessories satisfy a wide range of customer's demands


 * POWER CABLE MONITORING SYSTEM
   
   Forecasting power cable system's reliability in future by means of on-line
   monitoring and analysis


 * OVERHEAD CONDUCTOR
   
   Sumitomo Electric's state-of-the-art overhead conductors play a significant
   role in development of the society and reliable energy networks.


 * DYNAMIC LINE RATING SYSTEM
   
   The allowable transmission line capacity can be up-rated by using Dynamic
   Line Rating System.

Contact Us

 * Contact Us

 * Contact Us

Products
 * HVDC (High Voltage Direct Current) Cable
 * HVAC (High Voltage Alternative Current) Cable
 * Power Cable Accessories
 * Power Cable Monitoring System
 * Overhead Conductor
 * Dynamic Line Rating System

Topics
 * Submarine Cable

Company
 * At a Glance

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© 2021 Sumitomo Electric Industries, Ltd.

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