Southern California Generator Repair

Keep your backup power system running at peak performance with Duthie Power’s comprehensive generator repair service in Southern California. Our skilled technicians deliver emergency repairs, preventive maintenance, and routine service for all makes and models of generators, plus critical equipment like automatic transfer switches, fire pumps, fuel systems, and fuel polishing. With over 60 years of experience, we are committed to ensuring your generator and power equipment stay reliable and ready for any power outage. Trust Duthie Power for professional generator maintenance and repair services built around your needs.

Complete Generator Maintenance

Call us today to schedule service.

(800) 899-3931

Stay Compliant with Emission Regulations and Safety Standards

Duthie Power helps you meet the latest federal, state, and local emission regulations, giving you peace of mind that your facility stays compliant. We support compliance with:

  • AQMD (South Coast Air Quality Management District)
  • CARB (California Air Resources Board)
  • APCD (San Diego County Air Pollution Control District)
  • ACHC Joint Commission

Our expert team ensures your equipment meets all environmental and safety requirements, helping you avoid costly fines and operational disruptions. In addition, our dedicated Quality Assurance & Safety Coordinator partners with Avetta and other leading safety compliance platforms for streamlined regulatory management. Ask us if we can submit through your compliance provider.

Count on Duthie Power to keep your operations safe, compliant, and current with all emission and safety standards.

Ensure Reliable Power with Generator & Diesel Fire Pump Maintenance

Poor maintenance is the root cause of most generator and diesel fire pump failures. Duthie Power delivers scheduled maintenance and generator maintenance services designed to keep your emergency power supply system (EPSS) operating reliably when it matters most.

Our certified technicians conduct a detailed 32-point inspection aligned with strict regulatory standards, covering every EPSS component: fuel, exhaust, filtration, lubrication, cooling, battery, generator controls, transfer switches, remote monitoring, and safety systems. When our service technicians identify the need for repairs or additional maintenance, we provide onsite quotes for fast turnaround.

Select a maintenance plan that suits your facility: monthly, quarterly, semi-annual, annual, or on-demand. We build every generator service plan around your specific needs.

Reach out to Duthie Power today for dependable generator and diesel fire pump maintenance you can count on.

Technician doing maintenance on a generator per a maintenance agreement

Scheduled Generator Maintenance

Regular maintenance is critical for reliable backup power and ongoing regulatory compliance, but at Duthie Power, we know that not every customer needs a formal service contract. That is why we offer flexible preventative maintenance options without requiring a signed agreement. We will automatically add you to our scheduled maintenance notifications, helping you save money, extend your equipment’s lifespan, and avoid costly repairs. If your facility requires a formal agreement for safety protocols, we can build a customized maintenance plan tailored to your specific generator needs. Trust Duthie Power for hassle-free generator service and maintenance in California.

What We Do

At Duthie Power Services, we provide comprehensive emergency power solutions backed by over 60 years of industry expertise and a commitment to keeping Southern California businesses operational.

Rapid Reliable Response

Our field technicians and service vehicles are fully equipped for most situations and have immediate access to our extensive parts warehouse. We guarantee a prompt telephone response and typically arrive on-site within 2 to 4 hours, depending on your location—24 hours a day, 365 days a year.

Emergency Generator Repair

When your generator fails unexpectedly, our emergency repair team responds fast. Our service technicians diagnose the root cause and get your backup power system running again with minimal downtime, day or night.

Planned Maintenance and Inspections

Preventive maintenance is the best way to avoid unexpected failures and costly repairs. Our planned maintenance programs include comprehensive inspections, fuel system checks, battery diagnostics, and oil changes, all designed to keep your generator operating at peak performance.

ATS and Transfer Switch Service

Our technicians provide full preventative maintenance and repair for all makes of automatic and manual transfer switches, including contact cleaning, lubrication, calibration, and testing. Keeping your transfer switches in top condition ensures seamless power transfer during any outage.

Frequently Asked Questions

We service and repair all makes and models of generators, including standby generators, portable generators, and industrial generators. Our skilled technicians also handle diesel fire pump engines, generator control panels, automatic transfer switches, and complete Emergency Power Supply Systems (EPSS).

Yes, our emergency repair team is available 24 hours a day, 365 days a year. We typically arrive on site within 2 to 4 hours, depending on your location, ready to diagnose the issue and restore your backup power as quickly as possible.

Our generator maintenance services include a thorough 32-point inspection covering fuel systems, exhaust, filtration, lubrication, cooling, battery, generator controls, transfer switches, remote monitoring, and safety systems. We also offer flexible scheduling options, including monthly, quarterly, semi-annual, annual, or on-demand service.

No, a signed service agreement is not required. We offer flexible preventative maintenance without a formal contract and will automatically include you in our scheduled maintenance notifications. If your facility requires a formal agreement for safety protocols, we can customize a maintenance plan to fit your needs.

Duthie Power provides generator repair service, maintenance, and emergency response throughout all of Southern California, from as far north as Fresno and San Luis Obispo Counties down to San Diego and Imperial Counties. Our offices are located in Long Beach and Escondido, and we serve major cities and regions including Orange County, Los Angeles, San Diego, Santa Barbara, Bakersfield, Irvine, Anaheim, the Inland Empire, Riverside, and San Bernardino.

Request a Quote

This field is for validation purposes and should be left unchanged.
This field is hidden when viewing the form
Name(Required)
Zip(Required)

Testimonials

“Duthie power has very quick response on emergency call outs. They keep good track record on semi and annual testing. They follow up with either a phone call or email for scheduling.”
– George Mesa, General Maintenance

“Duthie makes it a point to contact us when our PM is coming up due instead of us contacting them. That shows they care about our generator’s performance.”
– Dean Lauff, Property Manager

“I look forward to working with Duthie Power in the future on any projects I have in Orange or LA Counties. You are our preferred provider of generator service.”
– Phil Thompson, Project Manager