Standby Generator, 25kW | 3600 RPM

High-quality image of Generac’s 25kW standby generator featuring a 3600 RPM engine, aluminum enclosure, and advanced backup power technology.

Generac 25kW Generator Overview

The Generac 25kW Generator offers dependable backup power with a robust 3600 RPM performance, designed for both residential and commercial applications. As part of the Protector Series, this model automatically starts during outages, powering large appliances, electronics, and essential systems without interruption. With TruePower™ Technology it ensures less than 5% total harmonic distortion for safe operation of sensitive devices.

Key Benefits of Generac 25kW Generator

  • Delivers 25,000 running watts for whole home or business coverage
  • Quiet-Test™ mode runs at a lower RPM for reduced noise and fuel usage
  • Compact, corrosion-resistant aluminum enclosure for long-term durability
  • Cellular connectivity for remote monitoring via Mobile Link™
  • Engineered for peak efficiency with dual-valve ultra-low pressure fuel delivery

Common Applications

  • Backup power for entire homes with high-demand loads
  • Commercial buildings requiring continuous uptime
  • Locations where space efficiency and quiet operation are important

Packaging

Includes the generator, user manual, and warranty documentation.

Product Properties

Property Value
Fuel Type Liquid Propane or Natural Gas
Running Watts 25,000
Engine Type 4-cyl In-line
Engine Size 1.5 L
Weight 777 lbs
Enclosure Aluminum
Battery Size Group 26
Oil Capacity 4 qt
NG Consumption – 50% 3.3 gal/hr
NG Consumption – 100% 4.7 gal/hr

Need CA-MA emissions compliance? See our Generac 22kW CA-MA Emissions Generator. Learn more at Generac.

Technical Documents