Chemco Electrical Contractors Ltd.
High Voltage

Chemco High Voltage Testing Technicians provide a quality cost effective turn-key product in accordance with industry standards such as:

  • NETA (International Electrical Testing Association)  
  • IEEE (Institute of Electrical & Electronic Engineers) 
  • ANSI (American National Standards Institute)
  • NEMA (National Electric Manufacturers) 
  • CSA (Canadian Standards Association) 
  • MV Power Certified
  • Raychem Certified
  • 3m Certified

Chemco’s comprehensive turnover and full service testing program includes:

  • Harmonic Analysis 
  • Power Quality
  • Preventative Maintenance and 
  • Power System Integrity/ Reliability review.


Chemco’s experience and expertise gives us the opportunity to fully commission mega project power system, such as Shell SUEX1 with over 70,000 manhours incident free in a 1 year time frame, right down to small maintenance projects and shutdowns.


Chemco’s installations include:

  • switchyards and 
  • substations
  • power distribution systems
  • switchgear and associated underground work.


Chemco provides commissioning and maintenance on (including but not limited to):

  • Load Break Switches
  • Large HP Motors 
  • Disconnect Switches 
  • Protective Relays 
  • Transformers (all types) 
  • Circuit Breakers 
  • High Voltage Cables 
  • Ground Grids 
  • Motor Controls Centres 
  • Battery Banks 
  • Switchgear Assemblies 
  • Large Substations 
  • HV Substation PT’s & CT’s 
  • Large Switchyards