
In 2025, renting a diesel generator in Chicago typically costs between $150 and $400 per day, $600 to $1,500 per week, and $2,000 to $4,500 per month. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Chicago provide a wide range of options suitable for various industrial applications.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| Burris Equipment | $290 | $870 | 8 | Visit |
| Burris Equipment (80 kW unit) | $395 | $1 185 | 8 | Visit |
| ERS (Equipment Rental Service) | $195 | $660 | 7 | Visit |
| Sunbelt Rentals | $300 | $900 | 8 | Visit |
| United Rentals | $350 | $1 050 | 7 | Visit |
Several factors affect the rental costs of diesel generators, including power output, duration of hire, and additional services such as delivery and setup.
When renting a diesel generator, be aware of potential hidden fees. These may include delivery and pick-up charges, which can be flat rates or based on mileage. Fuel surcharges, damage waivers, and cleaning fees for equipment returned in poor condition are also common. Understanding these fees can help in budgeting accurately.

The demand for diesel generators in Chicago is expected to remain strong in 2025, driven by ongoing construction projects and infrastructure upgrades. Rental companies are expanding their fleets to include more fuel-efficient models, which may influence rental pricing.
Ensure compliance with local regulations regarding emissions and noise levels when renting diesel generators. This is crucial for avoiding fines and ensuring safe operation on job sites.