Skip to Main Content

Load Banks for Power Testing

Whether for routine maintenance or new system commissioning, confirming your power systems operate as expected is critical. Avoid the costs of downtime by properly sizing and integrating your backup power with load bank testing. With our wide selection of load bank rentals, expert team, and 24/7 service, Sunbelt Rentals can meet the power testing needs for industrial, construction, and commercial applications.

People standing in front of a generator.

Primary or Backup Power When You Need It


Our extensive fleet of generators and distribution equipment is available for primary or backup power, whether during construction, ongoing operation, or routine maintenance. Supported by a seasoned team of professionals, with unmatched 24/7 service and support, Sunbelt Rentals is equipped to help you succeed.


As for applications, load banks from Sunbelt Rentals are commonly used for testing the following: power supply and critical power systems, wind and solar farms, substations and transformers, naval and marine generators, and Integrated Systems Testing (IST) of grid power. Our load banks can be used for wind and solar farm commissioning as well as electrical switchgear burn in or commissioning. Additionally, load banks from Sunbelt Rentals are implemented for Mission Critical, backup power for annual or semi-annual healthcare, HVAC systems, and both drilling and production oil and gas power generation systems.


Sunbelt Rentals seasoned experts in test design and equipment selection provide you real-world controlled operations testing to increase your productivity, reduce your downtime, and decrease your risk of outages. In between rentals, robust and rigorous quality control processes are performed to deliver high quality equipment for safe and reliable testing.

Cable Calculations Made Easy

Our expert-designed free online Cable Calculator safely, simply and accurately sizes cable for connecting temporary power or a load bank. No more hand-calculating or worrying about overloading - our Cable Calculator helps save time on the job so you can get to work.

A Sunbelt Rentals load bank.
A person working on a backhoe's tire.
Rent with Peace of Mind

Our Rental Protection Plan (RPP) ensures that when the unexpected happens during a rental period, like theft or accidental damage, you're covered. Although optional, the RPP can cover gaps in insurance coverage and liabilities that aren't big enough to file a claim.

Your Guide to Cable Design and Layout

Proper design and cable layout is crucial to a load bank testing project. Our cable routing and layout guide can help you navigate project design, layout, and cable routing for safe and accurate power generation systems testing.

Generators in a data center.