
Renting a diesel generator in Philadelphia in 2026 typically costs between $180–$350 per day, $540–$1,050 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) | $115 per day (20 kW towable) | $345 per week | 7 | Visit |
| SJR Generator | $500 per day (20 kW) | $1,500 per week | 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 2026, 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.
When planning a portable generator hire in Philadelphia, consider the specific power requirements and duration of your project. Ensure the generator's capacity matches your needs, and account for any necessary accessories, such as cables or transfer switches. Plan for efficient delivery and pickup to minimize downtime, and ensure the site is accessible for the equipment. Proper staging and setup are crucial to avoid workflow disruptions, and be mindful of the return conditions to prevent additional charges.
Tip: Confirm the generator's return condition requirements to avoid cleaning fees or penalties.