
In Baltimore, renting a diesel generator in 2025 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 Baltimore provide a wide range of options suitable for various industrial applications.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| ABC Rental Center | $235 | $745 | 8 | Visit |
| Equipment Rental Pros | $128 | $322 | 7 | Visit |
| Reventals | $90 | $630 | 7 | Visit |
| H&E Equipment Services (Herc Rentals) | $300 | $900 | 8 | Visit |
| United Rentals | $300 | $900 | 7 | 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. Larger generators with higher power outputs generally command higher rental fees.
When renting a diesel generator, be aware of potential hidden fees. These can include delivery and pick-up charges, which may be flat-rate or mileage-based, fuel surcharges, and cleaning fees for returning equipment in poor condition. Additionally, consider the cost of damage waivers versus full insurance coverage, as well as penalties for late returns or overtime usage.

The demand for diesel generators in Baltimore 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 and environmentally friendly models, which may influence rental pricing.
Ensure compliance with local regulations regarding emissions and noise levels when renting diesel generators. Baltimore has specific guidelines that rental companies must adhere to, which can impact the availability and cost of certain models.