With each passing day, new companies are being formed, and the dynamics of industries change; this makes the availability of proper power solutions extremely essential. Commercial generators are among the most essential equipment in ensuring the continuity of businesses, especially where there are frequent power blackouts or in areas with low chances of grid connectivity. 

Some of the latest models of large commercial generators have been developed for use in 2024 by several manufacturers in the market. They come with high efficiency, power output and new features. Let us take a look at the list of the top five large commercial generators for the year 2024.

What are Commercial Generators?

Commercial generators are large-capacity power devices meant to supply power to companies, manufacturing plants, medical facilities, computing centers and institutions. Continual power supply during outages is maintained, thus assisting important systems and averting operation interferences. 

Commercial generators vary from several hundred kilowatts to multiple megawatts, which are usually powered by diesel or natural gas. They have automatic controls, better fuel consumption, and adherence to environmental regulations, which is why they are crucial for consistent, continuous power supply for various business purposes.

Top Five Large Commercial Generators for 2024

According to FMI Market Research, the U.S. generator sales market is expected to grow at a compound annual growth rate (CAGR) of 4.5% from 2023 to 2033, reaching approximately $6.2 billion by the end of the forecast period​ ​. 

In 2024, the market for large commercial generators continues to see advancements in technology and efficiency. Below, we detail five of the most notable commercial generators available this year, focusing on their specifications, features, and what makes them stand out in the industry.

1. Cummins CSDG#: 4331

Cummin Generator

  • Price: $1,299,900
  • Power Output: 2500 kW
  • Condition: New
  • Engine Manufacturer/Model: Cummins QSK60-G19 NR2
  • Horsepower: 3640 HP
  • Voltage: 277/480
  • Enclosure: Sound attenuated
  • Year: 2025
  • Location: Milwaukee, WI
  • Emissions: EPA Tier 2

Key Features:

  • Permanent Magnet Generator (PMG): Ensures a steady and constant flow of power delivery.
  • High Ambient Radiator: It is suitable for use in high temperatures.
  • PowerCommand 3. 3 Digital Control Panel: Proven efficient for integration into large power networks.
  • UL 2200 Listed Package: It equally ensures safety and conformity to the existing practices within the region.
  • Sound Attenuated Enclosure: Lowers noise levels, making it appropriate for installation in areas with high population density.
  • Large Fuel Tank: The sub-base tank has a capacity of 3750 gallons of foam solution to support longer use in operations.

This generator from Cummins is among the best options for industries that need reliable standby power sources with exceptional outputs. Due to its enhanced controls and large fuel tank, it can be used in facilities such as power plants, factories, and other essential services.

2. Cummins CSDG#: 4332

Cummin generator

  • Price: $1,299,900
  • Power Output: 2500 kW
  • Condition: New
  • Engine Manufacturer/Model: Cummins QSK60-G19 NR2
  • Horsepower: 3640 HP
  • Voltage: 277/480
  • Enclosure: Sound attenuated
  • Year: 2025
  • Location: Milwaukee, WI
  • Emissions: EPA Tier 2

Key Features: Comparable to CSDG #: 4331

Identical to CSDG#4331, this generator is as good as the previous one in terms of the provided options and possibilities. It also has a duplicate option for those organizations that need identical units with a similar level of performance and durability.

Commercial Generator

3. Cummins CSDG#: 4425

Cummin generator

  • Price: $549,900
  • Power Output: 2000 kW
  • Condition: New
  • Engine Manufacturer/Model: Cummins QSK60-G6 NR2
  • Horsepower: 2922 HP
  • Voltage: 277/480
  • Enclosure: Open Power Unit
  • Year: 2024
  • Location: Waukesha, WI
  • Emissions: EPA Tier 2

Key Features:

  • Enhanced Cooling System: Suitable for applications where ambient temperatures are high.
  • PowerCommand 3. 3 Digital Control Panel: Equating proficient.
  • Open Power Unit: Offers the convenience of flexibility in installation and maintenance.
  • Sens Battery Charger and Coolant Heater: Enables safe and stable start-up and running.

This model is ideal for operations that do not require a sound enclosure and is as powerful as more expensive models in terms of power and dependability.

4. Cummins CSDG#: 4426

  • Price: $549,900
  • Power Output: 2000 kW
  • Condition: New
  • Engine Manufacturer/Model: Cummins QSK60-G6 NR2
  • Horsepower: 2922 HP
  • Voltage: 277/480
  • Enclosure: Open Power Unit
  • Year: 2024
  • Location: Waukesha, WI
  • Emissions: EPA Tier 2

Key Features: Same as CSDG#: 4425

This unit mirrors the CSDG#4425, providing another excellent option for large-scale operations needing a reliable power source without the added cost of an enclosure.

5. Kohler CSDG#: 3924

Kohler generator

  • Price: $399,500
  • Power Output: 2000 kW
  • Condition: Used
  • Engine Manufacturer/Model: Mitsubishi S16R-Y2PTAW2-1
  • Horsepower: 2923 HP
  • Voltage: 277/480
  • Enclosure: Sound attenuated
  • Year: 2009
  • Location: Waukesha, WI
  • Emissions: EPA Tier 2
  • Hours: 1182

Key Features:

  • Decision-Maker 550 Digital Control Panel: Provides ease of operation as well as precise control.
  • Permanent Magnet Generator (PMG): It provides performance reliability.
  • Sound Attenuated Enclosure: Cuts daily noise levels in operations that take place in a business environment.
  • Large Fuel Tank: A 3800-gallon sub-base tank along with an additional secondary containment.
  • Passed Load Test: Quality assurance: Some are verified to deliver their performance and reliability as required in various processes.

As for the specific matter, this used Kohler generator offers considerable savings yet yields comparable power and durability. It is a recommended choice for operations intending to operate within a low budget but requires a large power rating.

Power Your Business with CS Diesel’s Premium Generators

Whether you are in the market for large-capacity Cummins models or the affordable Kohler range, CS Diesel has commercial generators to suit your power requirements. Our choice guarantees functionality, innovations, and compliance with the market requirements. At CS Diesel, our vision is to offer you quality services and products that are fundamental to ensuring the growth of your business. Contact us today to find out more about how you can get the right generator to suit your needs.

Common Questions about Large Commercial Generators 

Q1. What are commercial generators, and why are they important for businesses?

Commercial generators are electrical equipment that provides power to business organizations, industries, hospitals, computer centers and other establishments. They are crucial for use during power outages to provide power to essential systems in order to avoid interruption that may lead to monetary losses or risk to life.

Q2. How can a commercial generator benefit my business?

The Cummins CSDG#: The 4331 generator comes equipped with a Permanent Magnet Generator to provide constant power, a High Ambient Radiator for high-temperature surroundings, and a PowerCommand 3. 3 It has a digital control panel for integration, UL 2200 listed package for safety, sound attenuated enclosure for low noise, and an assisting big fuel tank of 3750 gallons.

Q3. What are the key features of the Cummins CSDG#: 4331 generator?

The Cummins CSDG#: 4425 is more affordable at $549,900, delivers a power output of 2000 kW, and has an open power unit compared to a sound attenuated enclosure. It is ideal for scenarios in which sound dampening is not a consideration.

Q4. What distinguishes the Cummins CSDG#: 4425 from the Cummins CSDG#: 4331?

The Cummins CSDG#: 4425 is relatively cheaper at $549,900, has 2000 kW of power output and has an open power instead of sound attenuated

Q5. What are the advantages of using a generator like the Kohler CSDG#3924?

The Kohler CSDG#3924 has additional benefits concerning the cost and power output, as it costs $399,500 but delivers 2000 kW. Despite being used, it has a sound attenuated enclosure, a Decision-Maker 550 digital control panel, a permanent magnet generator and a large fuel tank, and therefore it is reliable and cheap.

Q6. How does the power output of these generators compare?

The Cummins CSDG#: The models 4331 and 4332 generate 2500 kW of power, and the Cummins CSDG#: 4425 and 4426 models and the Kohler CSDG#: 3924 generate 2000 kW of power. This range makes it easier for businesses to select a generator that suits their power needs depending on their operations.

Q7. What factors should businesses consider when choosing a commercial generator?

Key factors that businesses need to have in mind include the power output, the type of fuel to be used (diesel or natural gas), the type of enclosure (sound attenuated or open), the control panel features, the fuel tank capacity, emissions compliance, and the budget. One also needs to assess generator capacity, productivity, and usability in the environmental context and for the enterprise requirements.