Generac Authorized Dealer

20kW Generator

Model 7077

One of the most powerful air-cooled generators available, the Guardian Series 3-Phase 20 kW Standby Generator can provide whole-house backup power for many homes.

Great Northern Power

20kW 3-Phase Home Standby Generator

  • True Power™ Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances.

  • Generac’s G-Force Engine is purpose-built and pressure-lubricated , capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance.

  • Tough, Durable All-Aluminum Enclosure with RhinoCoat™ powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.

  • Generac’s Evolution™ Controller features a multilingual LCD display that allows you to monitor battery status and track maintenance intervals to ensure your generator is in top operating condition.

  • GenMonitor Connectivity utilizes advanced telecommunications and cellular connectivity. You can monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC.

  • 5 Year Limited Warranty  for automatic standby generators provided by manufacturer Generac with extended warranties available.

20kW 3-Phase Guardian® Air-Cooled Standby Generator

  • Protects your home and family during a power outage

  • Includes Mobile Link™ Wi-Fi Remote Monitoring*

  • Monitor generator status on a smart phone, tablet or PC

  • *Requires internet connection and wireless router

  • *Automatic Operation Only*

  • Fully automatic operation when paired with Generac Smart Switch

  • NEW Generac G-Force 800 Series Engine

  • Hydraulic lifters for improved performance & less maintenance

  • Full pressure lubrication system w/ 2 year oil change interval

  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)

  • Connects to your existing LP or natural gas fuel supply

  • TRUE POWER™ Electrical Technology

  • Less than 5% Total Harmonic Distortion (THD) for utility grade power

  • Automatic Digital Voltage Regulation (+/-1%)

  • Allows for faster response time & maximum motor starting ability

  • Evolution™ Digital Controller

  • Multilingual, 2-Line LCD display for simple, straightforward operation

  • Programmable-exerciser helps prevent oil seal drying and damage

  • QUIET-TEST™ Self-Test Mode

  • Runs at a lower RPM for a five or twelve minute test

  • Aluminum Enclosure w/ RhinoCoat™ Powder-Coated Finish

  • Corrosion resistant design for all weather conditions

  • Installation Flexibility*

  • Can be installed within 18" of a building

  • *Always check local building codes

  • 5-Year Limited Warranty

  • Plus 24/7-365 Customer Support

  • Have your questions answered when it's convenient for you

  • Generac Standby Generators & Engines - Built In The USA*

  • Built in the USA using domestic & foreign parts

  • Also Includes

  • Smart battery charger & 14" Flexible fuel line connector

  • Please Note - Battery Not Included (Sold Separately)

Length (in): 48

Width (in): 25

Height (in): 29

Controller Type: Evolution

Enclosure: Aluminum

Max. Cont. Power (LP): 0

Max. Cont. Power (NG): 17000

Max. Cont. Amps (LP): 0

Max. Cont. Amps (NG): 0

Main Line Circuit Breaker 80

NG Consumption - 50% (ft3/hr): 219

NG Consumption - 100% (ft3/hr): 307

LP Consumption - 50% (ft3/hr): 87

LP Consumption - 50% (gal/hr): 2.39

LP Consumption - 100% (gal/hr): 3.56

LP Fuel Pressure Requirement (wc): 0

NG Fuel Pressure Requirement (wc): 0

With Great Northern Power you have peace of mind

  • Design and consultation performed by experts according to local and national standards (NEC 2020)

  • Turnkey installation for your convenience

  • Generac trained service technicians available 24/7 for maintenance and repairs

  • Extended warranties available

Are you ready to protect and invest in your home?

Call us today! 406.751.3000

Specifications

Product Series: Guardian

Fuel Type: Liquid Propane or Natural Gas

Oil Type: Check chart in manual

Oil Capacity (qt): 1.9

Oil Filter P/N:

Air Filter P/N:

Spark Plug P/N:

Battery Included:

Battery PN:

Battery Type: Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum

Battery Size: 12V

Engine Type: G-Force 1000

Engine Size:

Weight (lb): 466

Running Watts (W) 0

Mobile Link: Yes

Quiet Test: Yes