Automatic Home Residential and Business Commercial Standby Backup Generators - Chicago


Trusted Power Systems is an authorized dealer generator company in Chicago and Chicagoland for Cummins generators, Generac generators, Briggs and Stratton generators, Kohler generators, GE generators, and many more. We offer generator installation, service, repair, tune ups, maintenance, and troubleshooting diagnosis. Trusted power systems also offers sales, installation, and repair on automatic transfer switches, surge protectors, UPS battery backup, and monitoring.

Trusted Power Systems offers a wide range of generator system products. We hand select the best products to fit your unique needs. Our sales staff is trained to better understand the customers’ needs to provide them with the best solution available. Trusted power systems offers complete power solutions for residential, commercial, industrial, mobile, and telecom applications. We sell and install locally in Chicagoland and Northern Illinois. We have been listed as the top rated generator company in Chicago for customer service and expertise, year after year.

Our factory trained service technicians know your generator systems inside and out. If there is a problem with any component of your generator system, we can fix it. We offer one time site visits, preventative maintenance programs, custom configured remote monitoring and 24/7 Emergency Service. Please Contact Us.

Trusted Power Systems offers turnkey installation for residential whole house home automatic standby generators and commercial business generator projects. We have dedicated installation crews that are backed by our factory trained generator technicians, licensed electricians, plumbers, and customer support team. When you need backup generator power for your home or business, turn to Trusted Power Systems for the most reliable system available. 

At Trusted Power Systems, we know it is important for our customers to be satisfied. In order to achieve that, we have to be the most knowledgeable about all of the products and services we offer. Our website, is an evolving knowledge center for all arrays of generator users from Do It Yourselfers to Professionals in the field. We have dedicated office personnel to assist you with your unique questions and requests. Trusted Power Systems is here to help.


About Us

Learn more  about our company, equipment, design, and the incomparable reliability results.

Learn More →


Ready to take the next step? You can be in control of your own power. Contact us now for a Free Estimate!

Find Out How →

Trusted Power Systems is an authorized dealer and service provider for most automatic backup generator manufacturers. We are authorized to provide sales, installation, service, repairs, warranty, and install accessories on all standby units from 6kW (6 kiloWatt) to 1MW (1 MegaWatt).

Generator Installation | Residential, Commercial, Industrial

For those in the Chicagoland area, Trusted Power Systems will work directly with you to properly size a generator to fit your exact needs. Our factory trained technicians understand all of the different options, combinations, and setups suited to your budget and power requirements. We ensure that our clients understand their options and our recommendations before beginning any project.

Fully licensed, insured, and bonded, our technicians use only the best products available to install your components. We customize the electrical and gas components to follow all codes, look professional, and last.

Chicago Commercial Generators

Trusted Power Systems offers support for all commercial generator systems including single phase, three phase, 120V, 208V, 240V, 480V, and fuels including gaseous generator systems using natural gas (NG), liquid propane vapor (LP LPV). We offer commercial repairs for Chicago for Cummins generators, Generac generators, Briggs and Stratton generators, Kohler generators, GE generators, and many more. We offer generator installation, service, repair, tune ups, maintenance, and troubleshooting diagnosis.

Generator Tune Ups | PREVENTATIVE MAINTENACe | Geneator Repairs

A scheduled maintenance program ensures that your automatic standby generator is always in top operating condition and warranty requirements are being met. We recommend maintaining your generator annually. We have maintenance agreements we strongly suggest to keep your generator running at its best. Trusted Power Systems offers different levels of maintenance programs to meet your needs for all air cooled residential generator tune ups, liquid cooled commercial generator tune ups, and industrial generator tune ups.

A complete maintenance service by one of Trusted Power Systems’ trained technicians includes the following:

  • Oil Change
  • Oil Filter Change
  • Spark Plug(s) Change
  • Air Filter Change
  • Inspect Battery
  • Generator Pad Check
  • All Wiring Check
  • All Gas Plumbing Check
  • Inspect Transfer Switch Fuses, Mechanical Parts, and Wiring
  • Inspect Transfer Switch Operation
  • Calibrate Date/Time/Weekly Self Test
  • Verify Engine RPMs
  • Calibrate Generator Output Voltage
  • Calibrate Generator Output Frequency

Trusted Power Systems is a full service generator company that repairs all air cooled and liquid cooled generator systems including automatic transfer switches. If your generator won't start, runs rough, doesn't produce power, or has a dead battery, we can fix it, guaranteed.

Surge Protection | Residential, Commercial, Industrial

Trusted Power Systems uses Advanced Protection Technologies, Inc. as the primary source for surge protection for residential, commercial, and industrial applications. No matter the project, we have the resources to get you the perfect surge protection devices to protect and maintain all of your equipment and devices. We offer surge protectors for home residential, commercial business, and industrial applications. Surge Protectors are available with LED point indicators for status, alarm fault indicators, one time use devices, replaceable modules, coaxial surge protection, phone line surge protection, power strip surge protection, and emp surge protection.

Generator Manufacturers include:

  • Milbank Generators
  • Guardian Generators
  • Honeywell Generators
  • Carrier Generators
  • Honda Generators
  • Katolight Generators
  • Caterpillar Generators
  • Gillette Generators
  • Cutler Hammer Generators
  • Eaton Generators
  • Taylor Generators
  • MTU Generators
  • Perkins Generators
  • Detroit Diesel Generators


Trusted Power Systems Services All of Chicagoland, Northern Illinois, and Southern Wisconsin.

  • Including counties Kane County IL
  • DuPage County IL
  • Cook County IL
  • McHenry County IL
  • DeKalb County IL
  • Kendall County IL
  • Lake County IL
  • Will County IL


  • Elgin
  • Elk Grove Village
  • Elmhurst
  • Elmwood Park
  • Evanston
  • Forest Park
  • Franklin Park
  • Geneva
  • Glen Ellyn
  • Glendale Heights
  • Glenview
  • Gurnee
  • Hindsdale
  • Highland Park
  • Hoffman Estates
  • Huntley
  • Inverness
  • Itasca
  • La Grange Park
  • Lake in the Hills
  • Lake Zurich
  • Lemont
  • Lily Lake
  • Lincolnwood


  • Arlington Heights
  • Aurora
  • Barrington
  • Barrington Hills
  • Bartlett
  • Batavia
  • Bellwood
  • Bensenville
  • Berkeley
  • Bloomingdale
  • Bolingbrook
  • Brookfield
  • Buffalo Grove
  • Carol Stream
  • Cary
  • Chicago
  • Crystal Lake
  • Darien
  • Deerfield
  • Deer Park
  • DeKalb
  • Des Plaines
  • Downers Grove
  • Elburn

  • Riverwoods
  • Rolling Meadows,
  • Roselle
  • Rosemont
  • Saint Charles
  • St. Charles
  • Schaumburg
  • Skokie
  • South Barrington
  • South Elgin
  • Streamwood
  • Stone Park
  • Sugar Grove
  • Sycamore
  • Vernon Hills
  • Villa Park
  • Waukegan
  • West Chicago
  • Western Springs
  • Wheaton
  • Wheeling
  • Winfield
  • Wilmette
  • Wooddale.


  • Lindenhurst
  • Lisle
  • Lombard
  • Long Grove
  • Maywood
  • Melrose Park
  • Morton Grove
  • Mount Prospect
  • Naperville
  • Niles
  • North Aurora
  • Northbrook
  • Northfield
  • Northlake
  • Oak Park
  • Oak brook
  • Oak brook Terrace
  • Orland Park
  • Palatine
  • Park Ridge
  • Prospect Heights
  • Riverside
  • River Forest
  • River Grove