ERTH Infrastructure Services Group offers turnkey substation construction, maintenance and repair services to utilities and ICI sector clients throughout southern Ontario. Our experienced team of electrical engineers, designers and technicians work in partnership with clients to deliver efficient, safe and reliable solutions that meet the unique needs of the power consumer. 

Turnkey Substation Design-Build Solutions

  • Design, engineering, consulting
  • Project management
  • Procurement
  • Assembly, installation and commissioning of equipment, including transformers, switches, circuit breakers, instrumentation, SCADA and control panels
  • Overhead and underground cabling and distribution system installation
  • Excavation and duct-bank installations
  • Grid tie design and construction
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Preventative Maintenance, Inspection and Repair

  • Transformer testing
  • Insulation resistance, contact resistance, turns ratio, winding resistance and capacitance dissipation
  • Transformer oil analysis and trending
  • Soil resistivity testing
  • Fall of potential testing
  • Battery and relay testing
  • Inspection of switches and fuses
  • HV cable terminating and hypot testing (including cable and duct bank installations)
  • Pole line service and replacement
  • Substation inspections/audits for Ontario Electrical Safety Code (OESC) Compliance
  • Power studies for power factor correction, harmonic content, and power quality
  • Technical reports and documentation
  • Walters Sub Station
  • ERTH truck parked beside a green house and transformer
  • Concrete foundations and underground cables for substation installation
  • Electrician working on a transformer
  • Electrician testing oil in transformer

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