
In Mesa, renting a diesel generator in 2026 typically costs between $180–$350 per day and $180–$350 per day, ≈3× daily rate, and ≈9–12× daily rate. These rates vary based on the generator's power capacity and additional features. Leading rental companies in Mesa provide a wide range of options suitable for various electrical panel upgrades and other projects.
| Vendor | Daily Rate | Weekly Rate | Review Score | Website |
|---|---|---|---|---|
| United Rentals | $180–$350 per day | ≈3× daily rate | 8 | Visit |
| Sunbelt Rentals | $180–$350 per day | ≈3× daily rate | 8 | Visit |
| Ahern Rentals | $180–$350 per day | ≈3× daily rate | 8 | Visit |
| Pro Em (Equipment Rental Pros) | $180–$350 per day | ≈3× daily rate | 7 | Visit |
| The Bounce Hub (Mesa) | $180–$350 per day | ≈3× daily rate | 7 | Visit |
Several factors affect the cost of renting a diesel generator, including the generator's size, 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 or pick-up charges, which can be flat rates or based on mileage. Fuel surcharges, damage waivers, and cleaning fees for excessive dirt or mud are also common. Additionally, late-return penalties and overtime charges can impact the overall cost.

The rental market for diesel generators in Mesa is expected to grow, driven by increased demand for reliable power solutions during electrical panel upgrades and other infrastructure projects. Staying informed about market trends can help you make cost-effective rental decisions.
Ensure that any rented diesel generator complies with local emissions and noise regulations. Compliance not only avoids legal issues but also supports sustainable practices.