
Renting a diesel generator in Philadelphia in 2025 typically costs between $150–$400 per day, $600–$1,500 per week, and $2,000–$4,500 per month. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Philadelphia provide a wide range of options suitable for various industrial and commercial needs.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| United Rentals | $180–$350 | $540–$1,050 | 7 | Visit |
| Sunbelt Rentals | $300–$800 | $900–$2,400 | 8 | Visit |
| Ziegler Rental | $425–$640 | $565–$855 | 8 | Visit |
| Portable Production Power, LLC | varies (production-grade) | varies (production-grade) | 9 | Visit |
Several factors affect the rental costs of diesel generators, including the power output, duration of hire, and any additional services such as delivery and setup. Seasonal demand can also impact pricing, with higher costs during peak construction periods.
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 for your project.

The rental market for diesel generators in Philadelphia is expected to grow steadily in 2025, driven by ongoing infrastructure projects and the need for reliable backup power solutions. Rental companies are expanding their fleets to include more fuel-efficient and environmentally friendly models, catering to the increasing demand for sustainable energy solutions.
Ensure compliance with local regulations when renting diesel generators. This includes adhering to emissions standards and obtaining necessary permits for operation in certain areas. Rental companies often provide guidance on these requirements to ensure smooth project execution.