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Generac Power Systems

Model #

RG15090AVAC

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Generac 150kW Generator Protector Series 120/240-Volts Single Phase Propane | RG15090AVAC

  • Generac 150kW Generator Protector Series 120/240 Volt Single Phase
  • Utility-Grade Power—Less than 5% THD for Electronics and Appliances
  • Generac 1800 RPM Propane 9 Liter Turbocharged V-8 Engine
  • Liquid-Cooled Engine with Water Pump, Cooling Fan, Radiator
  • Low-Speed Quiet Self-Test runs weekly, bi-weekly, or monthly
  • WiFi Connectivity Included. Generator Monitoring with Mobile Link
  • RhinoCoat aluminum enclosure corrosion protection for any climate
  • EPA and California Emissions: For Sale in all 50 States
  • Standard 5-Year Limited Warranty Includes—Extended Warranty Options Available

Generac Power Systems RG15090AVAC Details and Specifications

150 kW Generator – Propane

The 150 kW Generator brings best-in-class backup power to business, retail, office, custom homes and estates, and agricultural operations. The single-phase 120/240-volt Propane generator with True Power Technology provides clean, smooth power of the same or better quality as most electric utilities with less than 5% Total Harmonic Distortion (THD.)

Power all your office equipment, lights, heating and air conditioning, and any other electrical needs with the Generac 150kW Generator.

Enjoy all the conveniences of home with air conditioning, heating, large appliances, lights, and entertainment. Leave power outages worries behind with a Generac Protector Series Propane Generator.

Important: Use with an RTS 3-Phase Transfer Kit Requires a 3-Phase Voltage Sensing Kit

The 150 kW Generac RG15090AVAC meets all US EPA and is California SCAQMD Compliant. For Sale in all 50 states.

150 kW Generac Generator

Generac designs and manufactures the Protector Series 150 kW Generator in Wisconsin. Trained, knowledgeable staff at the Customer Care center near the Milwaukee headquarters answer questions 24 hours a day, seven days a week, 365 days a year.

Made in the USA—The RG15090AVAC with 9 Liter Turbocharged and Aftercooled V-8 engine was designed and built by Generac in USA facilities located in Wisconsin. The engine features hydraulic roller lifters and a gear-driven oil pump for full-pressure lubrication. Generac’s engine provides peak efficiency through all temperature ranges and elevations.

True Power Technology—Utility-Grade Power safe for sensitive electronics. 150 kW of backup power for office equipment, appliances, lights, heavy duty motors on air conditioners and refrigeration equipment—all at the same time. Isochronous Frequency regulation within 0.25% and Automatic digital voltage regulation (AVR) to 1%. Less than 5% THD (total harmonic distortion.)

The Digital Evolution Controller with two-line multilingual LCD display is smart, user-friendly, and viewable without opening the generator cabinet. Monitor generator performance, review status logs, and track maintenance to keep your Generator in top condition and ready for the next power outage.

Generac’s proprietary Quiet-Test self-test mode runs the generator at a lower speed during a five or twelve-minute self-test while it performs diagnostics and exercises the generator. Program regular exercise at weekly, bi-weekly, or monthly intervals to ensure the generator is always ready to protect your home or business from an outage.


Inside, a durable protective coating prevents rust on steel frame. Outside, the Rhino-Coat Powder-coated finish on the aluminum cabinet forms a corrosion resistant barrier under the harshest environmental conditions.


The Protector Series Generac 150kW Generator comes with a standard 5-year limited consumer warranty. Norwall offers extended warranty options on all Generac Generators.

Generac 150kW Generator

The Generac 150kW Generator with its small footprint and neutral color blends into the local landscape. Perfect for tight spaces on any property or commercial location.

The New 150kW Generator replaces the QT10068AVAC Standby with updated features and controls and a new Generac purpose-built engine designed specifically for the demanding needs of a standby generator system.

Requires a 12-Volt Group 31 925 Cold Cranking Amp (CCA) battery, not included and available locally at automotive supply stores, home centers, agricultural supply, and department store retailers.

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Generac Power Systems

Model #

RG15090AVAC

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