
Renting a diesel generator in Miami in 2026 typically costs between $180–$350 per day, $540–$1,050 per week, and $1,620–$3,150 per month. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Miami provide a wide range of options suitable for electrical panel upgrades and other projects.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| United Rentals | $180–$350 | approx. 3× daily (~$540–$1,050) | 7 | Visit |
| Sunbelt Rentals | $180–$350 | approx. 3× daily (~$540–$1,050) | 8 | Visit |
| SJR Generator | $500 (20 kW) | $1,500 (20 kW) | 8 | Visit |
| EquipmentRentalPros.com | $116 (20 kW towable) | $293 (20 kW towable) | 7 | Visit |
| Rent‑A‑Power | $180–$350 (estimated typical towable diesel) | approx. 3× daily (~$540–$1,050) | 8 | Visit |
Several factors affect the rental costs of diesel generators, including the power output, duration of rental, and any additional services such as delivery and setup. It's crucial to consider these elements when planning your budget.
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 returning the equipment in poor condition can also add to the total cost. Understanding these fees upfront can help avoid unexpected expenses.

The rental market for diesel generators in Miami is expected to grow in 2026, driven by increased demand for reliable power solutions during construction and electrical upgrades. Companies are expanding their fleets to include more fuel-efficient and environmentally friendly models.
Ensure that any rented diesel generator complies with local emissions regulations and safety standards. This compliance is crucial for avoiding fines and ensuring safe operation on your site.