"A One Stop Solution Provider For Erection, Testing, Commissioning, Operation & Maintenance Of Substations And Transmission Lines"

Operation & Maintenance of Electrical Sub Stations

Operation & Maintenance of Electrical Sub Stations

JBS specializes in providing services for Operation & Maintenance (O&M) of substations and transmission lines. JBS offers innovative models for O&M as per the client’s requirements. We offer comprehensive solutions for all O&M activities, including testing and condition monitoring of installations. The electrical installation is entirely managed / operated 24x7 by us, where we provide all necessary resources like skilled / unskilled manpower for operations, tools and tackles, technical support, instruments for testing, staff for housekeeping, security, additional manpower & tools in case of emergency.


  • All Manpower, Tools & Tackles, Consumables and Spares
  • Statutory requirements / Insurance of our staff as per Workmen Compensation Act.
  • Provisions of Labour Laws, Electrical Safety & General Safety procedures.
  • Provide Stationary, Log books etc.
  • Preventive & Routine Maintenance
  • Operations as per standard operating procedure.
  • Maintenance as per maintenance schedule.
  • Condition monitoring e.g. DGA of transformer oil, Dew point measurement of SF6 gas, Tower footing resistance, Thermo vision scanning, Breaker timing, Impedance measurement of batteries, Relay testing, Leakage current measurement, etc.

JBS started this journey with the O&M contract of 220 kV Substation (S/S) for M/s. Jindal Steel Ltd. Vasind, Thane, in the year 1996. This venture picked up growth further in the year 2003 after the implementation of new electricity act, and now we are executing O&M of more than 550+ Substations & 6500+ Circuit km (3900+ Route km) of Transmission line.