
Renting a diesel generator in Philadelphia in 2025 typically costs between $150–$300 per day, $600–$1,200 per week, and $1,800–$3,500 per month. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Philadelphia offer a wide range of portable generators suitable for various industrial applications.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| United Rentals | $180–$350 | $540–$1,050 | 7 | Visit |
| Sunbelt Rentals | $180–$350 | $540–$1,050 | 8 | Visit |
| Portable Production Power, LLC | varies (production-grade units) | varies | 8 | Visit |
| EquipmentRentalPros.com (aggregator) | $118 (20 kW towable) | $298 | 7 | Visit |
| SJR Generator | $500 (20 kW) | $1,500 | 7 | Visit |
Several factors affect the cost of hiring a diesel generator, including the generator's power output, duration of rental, and any additional services such as delivery and setup.
When renting a diesel generator, be aware of potential hidden fees such as delivery or pick-up charges, which may be flat or mileage-based. Fuel surcharges, damage waivers, and cleaning fees for returning equipment in poor condition can also add to the total cost.

The demand for diesel generators in Philadelphia is expected to grow in 2025, driven by construction projects and emergency power needs. Rental companies are expanding their fleets to include more fuel-efficient and environmentally friendly models.
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.