Generac 20kW 3-Phase WiFi-Enabled Standby Generator
The Generac 20kW 3-Phase Standby Generator offers robust whole-house or multi-circuit backup power, ideal for larger residential and light commercial properties. Designed for maximum reliability, it features Generac’s True Power™ Technology for clean, stable electricity, a G-Force 1000 pressure-lubricated engine for extended life, and Mobile Link™ WiFi connectivity for easy remote monitoring. Built with a galvanized steel enclosure and powder-coat finish, this generator withstands demanding environments while ensuring low maintenance and superior performance.
Key Benefits of the Generac 20kW 3-Phase Generator
- True Power™ Technology delivers power with less than 5% total harmonic distortion for sensitive electronics
- G-Force 1000 engine with pressure lubrication ensures enhanced durability and reduced maintenance
- Quiet-Test™ Self-Test Mode operates at lower RPM for quieter, fuel-efficient testing
- Mobile Link™ WiFi-enabled monitoring via smartphone, tablet, or PC
- Powder-coated galvanized steel enclosure resists corrosion and harsh weather
- 5-Year Limited Warranty with 24/7/365 Generac support
- Certified for installation as close as 18” from a structure (per NFPA standards)
Common Applications
- Large homes or estates requiring 3-phase power support
- Backup power for HVAC, appliances, and critical circuits
- Light commercial or agricultural operations needing continuous, clean power
- Coastal or industrial environments with corrosion concerns
Packaging
The Generac 20kW package includes the G-Force 1000 engine, powder-coated galvanized steel enclosure, Mobile Link™ WiFi monitoring, Evolution™ Controller, and Quiet-Test™ technology, delivering seamless standby protection for demanding installations.
Product Properties
| Property | Value |
|---|---|
| Fuel Type | Liquid Propane or Natural Gas |
| Oil Capacity (qt) | 1.9 |
| Battery Included | No |
| Battery Type | Group 26R 540 CCA Minimum or Group 35 AGM 650 CCA Minimum |
| Engine Type | G-Force 1000 |
| Weight (lb) | 466 |
| Length (in) | 48 |
| Height (in) | 29 |
| Enclosure | Aluminum |
| Max Cont. Power (NG) | 17000 |
| Running Watts (W) | 20000 |
| Main Line Circuit Breaker | 80 |
| Battery Size | 12V |
| Controller Type | Evolution |
| Quiet Test Mode | Yes |
Need a slightly smaller option? Check out the Generac 18kW Whole House Standby Generator. Learn more about Generac’s full line of backup power systems at Generac.com.











