United Rentals adds solar battery generators to its fleet

United Rentals solar generator

United Rentals is the first equipment rental company to offer the new HiPower EHR Solar Battery Generator, a mobile micro grid solution that boosts project sustainability by pairing a battery energy storage system with power provided by integrated photovoltaic solar panels and a propane generator.

Developed by HiPower in collaboration with United Rentals, the EHR Solar Battery Generator is a portable energy storage and distribution system that delivers reliable power while lowering noise levels and emissions on jobsites. 

A self-contained microgrid

A 5.0 kW peak solar array sits on top of the unit and features extendable panels. The array captures the sun’s energy and converts it to electric power, which is stored in the system’s batteries. The unit also has a 45 kVA generator that provides power running on propane, a cleaner fuel source than traditional diesel.

The hybrid power solution minimizes generator run time by storing energy in the battery system and running on battery power when possible. The smart grid controller turns on the generator when the batteries run low due to reduced sunlight or increased demand. Once sufficient battery charge is reached through sunlight or the generator, the controller turns the generator off.

“The EHR Solar Battery Generator is a game-changer for companies that want to go to the next level of sustainability with higher energy efficiency to reduce jobsite emissions and fuel use,” said Larry Worthington, Vice President, PHVAC Region, United Rentals. “The system can reduce emissions and noise levels to zero, making it an ideal fit for various applications, including urban, noise-sensitive environments.”

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The EHR Solar Battery Generator can be mounted on a 6-metre by 2,4-metre trailer or a skid for transport to and from jobsites. For small to midsize jobsites, the generator could potentially serve as the single source of power, depending on load requirements.

“As part of its commitment to providing a more electric equipment rental fleet, United Rentals is leading the way in offering on-site, sustainable charging stations to ensure customers can easily and efficiently recharge electric equipment,” said Rafael Acosta – President at HiPower.

“They were an instrumental partner in helping us develop the EHR Solar Battery Generator, a cutting-edge microgrid system that has the potential to revolutionize power generation and energy management.”