Efficiency meets reliability. Confidence in every watt.

drone view of urban city
Cummins delivers dependable power to commercial properties

At Cummins, we understand that even a brief power outage can disrupt operations, impact customer experiences, and lead to costly downtime. That’s why we deliver dependable standby power solutions tailored to your specific needs—so your business stays up and running, no matter what. Serving everything from retail stores and corporate offices to warehousing and educational facilities, our generator systems are designed to provide seamless, automatic backup power that keeps operations running smoothly when the grid goes down.

With a legacy of engineering excellence and innovation, Cummins offers a full range of generator sets, transfer switches, integrated controls and remote monitoring to ensure your business stays powered and productive. Cummins standby power systems are built for performance, scalability and ease of integration into commercial infrastructure. Whether you're planning for new construction or upgrading existing facilities, Cummins is your trusted partner in building power resilience and operational continuity in the face of uncertainty.

Power solutions for every commercial need

tall commercial buildings with blue glass
Offices
view from high rise building
Apartments and hotels
warehouse worker scanning product
Warehousing and distribution
shopping cart in grocery store aisle
Retail and shopping centers
concert performance on stage
Recreation and entertainment
group of students collaborating
Educational institutions

Dependable power for commercial applications

centum series generator

Award Winning Series

Centum™ Series Generators

A new platform for meeting the growing demand for power. With a complete spectrum of power ratings from new, higher-efficiency engines, you get exactly the right power you need for any Commercial application — without compromise.

Cummins QSJ5.9G Generator

Award Winning Generator Set

QSJ5.9G

Powered by the rugged 4-cycle Cummins QSJ5.9G spark-ignited gas engine, this generator set is purpose built to provide reliable power in Commercial applications.

QSJ8.9G Generator set

Featured generator set

QSJ8.9G

This award-winning generator is a robust and versatile standby power solution designed for critical applications, all in a compact package.

qsx15 generator

Featured Generator Set

QSX15

Developed as a high-performance diesel-powered solution built for demanding commercial and industrial applications, the QSX15 was engineered for reliability, low emissions and fast load response.

Engineering the next generation of power.

Intro

With more than 80 years of experience powering commercial, recreational and government applications globally, Cummins offers the reliability and durability operators expect.

Units

Frequency (Hz)

50

Fuel Type

Diesel

Prime

200-256 kW

32-250 kVA

Standby

220-280 kW

275-350 kVA

Frequency (Hz)

60

Fuel Type

Natural Gas

Standby

350 kW

437 kVA

Frequency (Hz)

50

Fuel Type

Diesel

Prime

320 kW

400 kVA

Standby

352 kW

440 kVA

Frequency (Hz)

60, 50

Fuel Type

Diesel

Prime

220-365 kW

275-456 kVA

Standby

40-400 kW

313-500 kVA

Frequency (Hz)

60

Fuel Type

Diesel

Prime

270 kW

337-338 kVA

Standby

300 kW

375 kVA

Frequency (Hz)

60

Fuel Type

Diesel

Standby

400 kW

500 kVA

Frequency (Hz)

60, 50

Fuel Type

Diesel

Prime

291-455 kW

364-569 kVA

Standby

320-500 kW

400-625 kVA

Frequency (Hz)

60

Fuel Type

Natural Gas

Standby

400-500 kW

500-625 kVA

Frequency (Hz)

50

Fuel Type

Diesel

Prime

460-500 kW

575-625 kVA

Standby

505-550 kW

631-688 kVA

Frequency (Hz)

60

Fuel Type

Natural Gas, Propane

Standby

335-550 kW

419-688 kVA

Frequency (Hz)

50, 60

Fuel Type

Diesel

Prime

512-600 kW

640-750 kVA

Standby

565-660 kW

706-825 kVA

Frequency (Hz)

60

Fuel Type

Diesel

Prime

545 kW

681 kVA

Standby

600-650 kW

750-812 kVA

Commercial solutions from innovation to impact

Products
Cummins full range of Commercial generator sets
Case studies
Cummins Commercial generator sets in action
Power suite
Use our industry-leading solution, Power Suite, to find the perfect product for your needs.
engineers using powercommand for project
Exceptional customer support

You can expect:

  • PowerCommand® pre-integrated systems that are designed, built and tested to work together
  • Expert system design, project management and installation
  • Local factory-trained service technicians
  • 24/7 support and service
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