Hawthorne Power Systems | Power Up

Power Generation

Hawthorne Power Systems carries a full range of Caterpillar® diesel and natural gas generator sets for your power generation needs including emergency standby, peak shaving, co-generation, prime or continuous power for co-generation, prime power and standby power. You can buy with confidence knowing that a Cat® generator sets the lead in the industry in durability, reliability and efficiency – a solid foundation for any fully integrated power system. Matched with our unparalleled customer support and Power C.A.R.E. service package, Hawthorne Power Systems will ensure your generator set delivers on-going, reliable performance through any utility power failure.

XML feed - generator set specs

Integrated Systems

Choosing the right team to help you design and implement your integrated power system is critical to the success of your project. Hawthorne Power Systems offers a complete product line of switchgears, remote monitoring, automatic transfer switches, generator sets and uninterruptible power supply for your customized integrated power system. As a single supplier for your entire integrated system, you will have one expert engineering and service team to maintain your power solution so you can focus on what’s really important – operating your core business. Hawthorne Power Systems offers comprehensive service support agreements that include routine testing and maintenance, operator training, and emergency response services to ensure your power system is properly maintained and fully operational.

Hawthorne Power Systems Diagram

Engineering Solutions

From feasibility studies to conceptual design to turnkey installations, Hawthorne Power Systems offers a range of mechanical and electrical engineering services to assist you with your power system project design and implementation needs.

Project Expertise

  • Alternative fuels processing
  • Co-generation and heat recovery
  • Commercial facilities process and HVAC
  • CNG and LNG fueling station
  • Electrical power generation
  • Environmental design
  • Industrial process and controls
  • Landfill gas generation
  • Medium voltage power distribution
  • Packaging
  • Power station engineering
  • Substations and transmission
  • Utility interconnection and protection


  • Conceptual design and estimating
  • Construction observation and services
  • Detailed engineering plans and specifications
  • Equipment procurement
  • Feasibility studies
  • Permitting assistance
  • Project management
  • Start-up and training
  • Turn key/fast track program 

Great Value on Used Power Systems

Hawthorne Power Systems offers a large selection of used power generator sets, air compressors, engines and marine propulsion engines.

xml feed – used power

Power Rentals

Whether you are looking for a generator, back up power system, chiller or air compressor, Hawthorne Power Systems offers the best selection of equipment available. Each piece is thoroughly inspected and maintained by our certified technicians to ensure your rental equipment is ready to go when you are.

Air Compressors

Hawthorne Power Systems is a certified Sullair Portable Air Compressor dealer, specializing in diesel, electric and oil-free air compressor units with available desiccant dryers. We offer a complete line of portable air compressors with built-in after-cooling and filtration to provide standard compressed air for drilling, clean and dry air for the application of coatings and 100% oil-free air for food processing or pharmaceutical operations.

Marine Power

Whether your boat is a 500 foot commercial vessel or 50 foot pleasure craft, Hawthorne Power Systems offers a complete line of Caterpillar® propulsion diesel and gas engines and auxiliary generators. Many of our EPA-certified marine diesel engines feature Caterpillar ACERT Technology® that will not only reduce emissions but also enhances overall engine performance by reducing engine wear and optimizing fuel delivery. Our engineering team can help you select the best new or repowered engine for your vessel and assist you with understanding the latest emissions regulations. Hawthorne Power Systems is GL Platinum Certified in marine service capability.

Custom Truck Engines

Each Caterpillar truck engine is designed and built with superior engineering and technology including out Caterpillar ACERT Technology. Working with our engineering team, we can configure your engine with the horsepower, torque and drive-train components you need to meet your specific engine requirements.

Industrial Engines

Hawthorne Cat offers a range of Caterpillar industrial engines for equipment manufacturing, pumping, rock crushing, dredging, and agriculture applications. No matter your engine needs, Hawthorne Cat can supply you with the industrial engines you need to help improve your product line and business processes to reduce inventory and turnaround time.

Hawthorne Power Systems Logo

Request a Quote

With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric

San Diego - Power
Phillip J. Smith (PJ)
Field Service Manager
858.376.6874 office
858.688.0134 mobile

Paul Karpf
Rental Department Manager
858.376.6888 office
858.688.0039 mobile

Tom Bonham
Product Support Sales Manager
858.376.6898 office
442.248.2108 mobile

Hawaii – Power
Cliff Yuen
Power Systems Sales Manager
808.676.0322 office
808.349.7767 mobile

Guam – Power
Myver Hecita
Power Systems Rental &
Sales Representative
671.649.4241 office
671.898.2740 mobile

Richard Nostratis
Service Manager
671.649.4212 office
671.898.2735 mobile