Experts in 





Government agencies, medical facilities and corporations rely on Sun Power Systems to keep their critical business functions operating 24/7 with reliable emergency power systems. For more than 20 years, we've been one of the leading, certified experts in emergency power system design, maintenance, and repair.


Our exclusive Emergency Power Supply System Readiness Program goes beyond regular preventive maintenance to ensure your Emergency Power System will provide vital power services during any outage. Contact us today to discuss how you can protect your business and customers from unexpected power failures.

What We Do 

Power Studies

Emergency Power Systems Design and Consulting

One Line Diagrams

Generator Repair

Generator Maintenance

Emergency Services


Scheduled Outage and Testing

Scheduled Service and Inspections

Union Light & Power

Spectrum Electric Power

Our exclusive

Emergency Power Supply System Readiness Program keeps our clients powered, 24/7


Sun Power Systems, Inc.

Fredericksburg, Virginia



A Veteran Owned Business

Emergency Generators   |    Emergency Power System   |   Generator Commissioning   |  Generator Maintenance

Generator Repair   |   Generator Service   |   Generator Troubleshooting   |    Legacy Power Equipment   |   One Line Diagrams

Paralleling Switchgear   |  Power Surveys   |   Prime Mover Inspections   |   Start-up   |   Transfer Switches  

© 2021 by Sun Power Systems, Inc.