Power Transmission and Distribution Infrastructure

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Patronics provides engineering, procurement and construction services for 11kV, 15kV, 30kV, 66kV, 110kV and 132kV power lines. Our future targets are 220kV and 400kV lines.

  • Route selection
  • Route survey – preliminary detailed & plotting profile
  • Reconnaissance survey
  • Earth resistance measurements
  • Tower spotting and tower schedule
  • Design of tower foundation
  • Design of steel towers
  • Procurement of materials – towers, conductors, insulators, surge arrestors, line hardware & accessories, earthing materials etc.
  • Tower erection up to 400kV
  • Poles erection steel, Concrete and Wooden up to 66kV
  • Erection of hardware & accessories
  • Stringing of conductor and earth wire / OPGW
  • Earthing of towers
  • Testing & commissioning of transmission line.

Testing & Commissioning of Transmission Line

  • Line impedance and K-factor
  • Mutual coupling
  • Positive or zero sequence impedance

Grounding Sytem Testing

  • Ground grid impedance 
  • Soil resistivity
  • Integrity check of grounding connection
  • Reduction factor / current split factor
  • Measure multiple current paths



  • Gabiro Farm
    EDCL - Construction of 30kV Dual circuit distribution line
  • Musha/Gabiro/ Rulindo
    EDCL (REG) - EPC of 110kV - 110kms transmission line
  • Angelique International Karongi
    30kV transmission line
  • Roko Construction
    30kV transmission line


  • Kakira sugar Works - 33kV transmission line


  • Kwale International Sugar Company Ltd
    Installation of 132kV line, supply & installation of 33kV line
  • Embakasi
    Athi interconnector HT line - 66kV dual circuit transmission line
  • New Manga to Ruiru
    66kV dual circuit transmission line
  • Juja Parklands
    Dandora dumpsite - 66kV distribution line
  • KPLC Projects
    33kV distribution lines over 700kms
  • KPLC Projects
    11kV distribution lines for KPLC projects over 1000kms
  • New Mangu
    Thika East - 66kV dual circuit transmission line

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