Toko Electric is engaged in a wide range of businesses, focusing on internal and external line construction.
In the Achievements page, we introduce some of the projects we have undertaken.

Business

Area

all WORKS

  • Outdoor wiring

    Chubu

    2010

    Joetsu thermal power line

    It was constructed as a power transmission line due to the construction of the Joetsu Thermal Power Station of Chubu Electric Power Co.

    Case Studies

    ■Voltage
    275kV

    ■Electric wire
    TACSR/AC 410mm2(4 conductors)×2cct

    ■Section
    Nagasawa, Myoko City, Niigata Prefecture – Iiyama City, Nagano Prefecture – Nagae, Nakano City, Nagano Prefecture 14.4 km long, 28 towers

  • Outdoor wiring

    Chubu

    2010

    Higashi-Nagoya branch line

    We carried out electric line replacement work to ensure a stable supply of electricity and to update facilities in the Nagoya area.

    Case Studies

    ■Voltage
    275kV

    ■Electric wire
    ACSR410mm2 (double conductor)

    ■Section
    1.8 km section of electric line replacement

  • Outdoor wiring

    Tohoku

    2010

    Towada-Kitakami power trunk line

    The Towada-Kitakami trunk line was constructed to transport power from the Shimokita Peninsula in Aomori Prefecture and as a major artery for the power supply network in the Tohoku area. With a total length of 300 km and 717 steel towers, it is one of the largest backbone transmission lines in Japan.

    Case Studies

    ■Voltage
    500kV

    ■Electric wire
    SBACSR540mm2 (4 conductors)

    ■Section
    Wada trunk line (Towada City to Sannohe Town, Aomori Prefecture, 12.5 km in length, 29 steel towers)
    Kitakami trunk line (Osaki City to Kami Town, Miyagi Prefecture, over 15.6 km, 37 towers)

  • Outdoor wiring

    Kanto

    2005

    Tsukuba Express

    Construction of electrical equipment at Minami-Nagareyama Station.

  • Outdoor wiring

    Kanto

    2010

    Metropolitan Expressway

    Construction of electrical equipment between Nishi-Shinjuku JCT and Ohashi JCT on the Central Circular Route (Yamate Tunnel).