Power System Services & Testing 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

As a leading provider of industrial power solutions, RESA Power is committed to helping our clients’ equipment meet all required acceptance testing. In California, acceptance and maintenance testing is required for all new and modified power plants. Our team of experts can help you ensure that your facility is in compliance with all relevant requirements.

During the acceptance testing process, our team will evaluate the performance of your power system and confirm that it meets all specifications. We will also perform a thorough inspection of the equipment and systems to identify any potential problems. Once the testing is complete, we will provide you with a detailed report that outlines our findings and recommend the next course of action.

The power system maintenance testing process is conducted on an ongoing basis to ensure that your power plant remains in compliance. Our team will perform regular inspections and tests to identify any potential issues. We will also provide you with recommended corrective action plans to keep your power plant running smoothly.

Our acceptance and maintenance testing services cover:

  • 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: 16833 Edwards Road, Cerritos, CA 90703

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

Engineering- Short Circuit Analysis

RESA Power is a leading provider of short circuit analysis in California. Our team of expert engineers can help you identify the causes of electrical faults and take steps to prevent them from happening again. We also offer 24/7/365 emergency services to help you restore power.

  • 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 40 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.