Electrical Testing & Repair

Recent changes in electrical testing and arc flash compliance can make it difficult for your company to stay up to speed on the latest requirements. Southwest Energy System’s experienced and knowledgeable field technicians and electrical engineers thoroughly inspect and test your electrical system. We provide the expertise in electrical testing, to be sure that all your systems comply with the newest regulations. As a result, you save time, money, resources and enhance safety in the workplace.

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General Field Services

  • Electrical System Troubleshooting and Repair
  • Preventative Maintenance of Electrical Apparatus
  • Insulation Resistance Testing (All Voltage Classes)
  • High Potential Testing (HiPot)
  • Low, Medium and High Voltage Cable Testing
  • Very Low Frequency (VLF) and Tan-Delta Testing
  • Ground Fault Systems
  • Motors & Generators (Inrush, Vibration & Surge Comparison Testing)
  • Uninterruptible Power Supplies (UPS)
  • Batteries (UPS, Controls, etc.)
  • Automatic Transfer Switches
  • Testing, Repair and System Upgrades
  • Variable Speed / Frequency Drives (VFDs)
  • Infrared Thermography (IR Scanning)
  • Kilowatt Hour Meter Calibration
  • Fused Switches
  • Upgrades / Replacements

Power Generation & Substations

  • Station-Class Breaker Testing
  • Protective Relay Calibration
  • Paralleling Switchgear
  • On-Line Partial Discharge Testing
  • Power Generators


  • Insulation Power Factor Testing
  • Transformer Turns Ratio Testing (TTR)
  • Insulation Resistance Testing
  • Sweep Frequency Response Analysis (SFRA)
  • Oil Sample Analysis
  • Auxiliary Device Testing
  • Winding Resistance Testing


  • Ground Resistance Testing and Modeling
  • Soil Resistivity Testing and Modeling

Circuit Breakers

  • Low, Medium & High-Voltage Class
  • Trip Units – Retro-Fit / Upgrades
  • SF6 Breaker Timing & Power Factor Testing


  • Insulation Resistance
  • On Line/Off Line Testing
  • Very Low Frequency (VLF) Tan Delta