Power System Services in California

RESA Power specializes in electrical power solutions to ensure safe, efficient, and reliable generation, transmission, and distribution of power. We have provided electrical solutions to thousands of companies throu­ghout the United States and Canada on both a routine and a 24/7/365 basis for the last 18 years.

It’s important to keep your electrical systems properly maintained to prevent costly breakdowns, outages, and accidents. RESA Power California Service Location can ensure all your electrical components are in good working order with preventative testing, cleaning, lubricating, and repair services.

As a NETA-accredited company, RESA’s Southern and Northern California Services is committed to advancing the industry’s standards for power system installation and maintenance to ensure the highest level of reliability and safety.

Working with a NETA-accredited company provides several advantages, including enlisting the services of NETA-certified technicians, ensuring full compliance with ANSI/NETA and safety standards, testing to guarantee the highest levels of quality assurance.

By choosing a NETA-accredited company such as RESA’s California Service, you can rest assured work will be done by NETA-certified technicians who have the field experience, training, and continuing education needed to ensure every aspect of testing is performed to the highest standards.

Acceptance and Maintenance Testing

  • Switchboard
  • Switchgear
  • Panelboards
  • Switches (fused & non-fused)
  • Grounding
  • Oil Sampling
  • Circuit Breakers
  • Metering
  • Motor Control Centers
  • Infrared Scanning
  • Ground Fault Testing
  • Protective Relays
  • Battery Bank Testing
  • Cable (Low & Medium Voltage)
  • Bus Duct & Bus Way
  • Transformers
  • Instrument Transformers
  • Technical Support

Contact information

RESA Power Northern California – NorCal
Address: 2300 Zanker Rd, Unit D, San Jose, CA 95131

RESA Power Southern California – SoCal
Address: 13837 Bettencourt St. Cerritos, CA 90703

Email: info.caservice@resapower.com
Phone: 415.272.6102

Engineering- Short Circuit Analysis

  • Protective Coordination Studies
  • Arc Flash Hazard Risk Analysis
  • Power Quality Recording
  • Harmonic Distortion Analysis
  • Load Flow Analysis
  • Single Line Drawing update
  • Data Collection for studies
  • Arc Flash Training


  • Emergency Response
  • Circuit Breaker Inspections
  • Transformer Inspections
  • Lock-Out Tag Out procedures
  • Voltage Detection
  • Current Flow
  • Infrared Inspections
  • Energization & De-energization

Other Resources

  • Transformer Oil Analysis (Lab Setting)
  • Transformer Oil Repair (Field Setting)
  • Circuit Breaker supply
  • Circuit Breaker components
  • Switchgear components
  • Medium Voltage supply
  • Technical Support


RESA Power has more than 25 service locations across the United States and Canada, including a transformer oil testing laboratory and specialty distribution centers to ensure our customers’ critical power systems are safe, reliable, and operating at peak efficiency. Click on the service center nearest to you for more information.