When construction sites have limited or no access to utility or grid power, temporary power becomes essential to keep work moving. Construction projects require reliable and flexible power to support tools, equipment, lighting, and critical operations. Caterpillar's construction power solutions – including diesel generator sets, mobile power units, and battery energy storage systems – are designed to deliver temporary, prime, or standby power for construction projects of all sizes.
Caterpillar supports the construction industry with a broad range of dependable power solutions – from diesel generator sets to advanced battery energy storage systems (BESS) – delivering flexible, efficient, and lower‑emission power for modern jobsites.
Quiet, fuel‑saving Cat battery energy storage systems smooth power demand, improve generator efficiency at low loads, and charge electric construction equipment.
Compact, easy‑to‑deploy mobile power – ideal for smaller construction loads, tools, and temporary jobsite needs.
Reliable mobile power with flexible performance – built to support changing construction site demands.
High‑power mobile performance with flexible operation – designed to keep construction sites running.
| Solution Type | Cat® Model | Prime/Running Power | Fuel Type | Key Advantages |
| Battery Energy Storage System (BESS) | Cat XES60 Cat XES120 |
24 kW – 127.9 kWh | Stored electrical energy (battery) |
|
| Small to medium mobile generator | Cat XQ and XQP range | 16 kW – 570 kW | Diesel |
|
| Large mobile generator | Cat XQP1100 range Cat XQ2280 range |
1100 kW – 2280 kW | Diesel |
|
Note: Power ratings vary by configuration and regional standards. Always confirm final specifications with an authorized Cat dealer.
A: The size of a generator is determined by your total power load and the type of equipment you use. Caterpillar offers guidance to help you choose the right rental generator for your jobsite.
Alternatively, you can size your generator using our sizing tool.
A: For many construction projects, renting a Cat generator set provides a flexible, cost‑effective way to access reliable temporary power – without the upfront investment or long‑term ownership responsibilities. Cat rental power solutions are available to support projects of all sizes and durations. Learn more about Cat Rental Power Solutions.
Explore our blog for additional insights on rental and temporary power applications.
A: Cat rental generators are readily available through the Cat dealer network and Cat Rentals, providing reliable temporary power solutions for a wide range of jobsite needs. U.S. fleet options include XQ20, XQ60, XQ570, and XQ1140. Global models include XQP20 (EU Stage V), XQP60, XQP500, and XES120.
A: On construction sites, Cat Battery Energy Storage Systems can help lower fuel consumption, reduce emissions, and improve overall energy efficiency by working alongside generator sets. They also support quieter operation and more sustainable power solutions during different project phases.
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