100Up Off Grid Solar Logo Orange Wordmark

High Energy Use 20kW Family Off-Grid Kit

20kW three-phase system with independent inverter redundancy and modular storage for high-demand households and EV charging.,
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation

Power your life off-grid, in every season.

Summary

20kW off-grid system for families of 5+ or smaller families with electric vehicles. Available in Sigenergy (39kWh battery) or Deye/Pylontech (22kWh battery) configurations. Triple-inverter 18kW capacity, solar expandable to 27-36kW.

Target Profile
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation
System Information
Estimated Daily Energy Usage
~ 28.1 kWh
Battery Capacity
39 kWh (5 x 7.8 kWh) or 22 kWh (5 x 4.4 kWh)
Inverter Capacity
18 kW (3 x 6 kW)
Solar Array 
15 kW (1 x 15 kW)

20kW Off grid solar systems

213 20kW Off grid solar systems A 20 kW system is ideal for a family of 5 or more, or a smaller family with an electric car. Generally, there are no real limitations on power usage with this system. Deye/Pylontech 20kW System include Jinko solar panels 15kW or 15kW—25/25 years warranty Pylontech lithium battery 22kWH usable capacity—10 years warranty Deye inverter 6kW X 3 = 18kW inverter—10 years warranty Remote monitoring Possible Extension: Batteries easy to add at a later stage Solar panels array can be extended up to 27kW System cost call or text 0400092621 Recommended generator size: 15kVa or bigger Sigenergy 20kW System include Jinko solar panels 15kW—25/25 years warranty Sigenergy lithium battery 39kWH usable capacity—10 years warranty Sigenergy inverter 6kW X 3 = 18kW inverter—10 years warranty Remote monitoring Possible Extension: Batteries easy to add at a later stage Solar panels array can be extended up to 36kW DC charger for Electric vehicle can be integrated into the system System cost: call or text 0400092621 Recommended generator size: 15kVa or bigger Sigenergy Key Features: Each inverter/battery unit operates independently. In the event of a failure in any unit, the others will continue to provide power without interruption.

Not sure which system is right for you?

That's exactly what we're here for. Tell us about your home, your site, and how you live - we'll recommend the system that fits.

Get in touch for your off grid solar consulation

We respect your privacy - View our Privacy Policy.

100Up DesignedOff Grid Solar

20kW Off grid solar systems 213 20kW Off grid solar systems A 20 kW system is ideal for a family of 5 or more, or a smaller family with an electric car. Generally, there are no real limitations on power usage with this system. Deye/Pylontech 20kW System include Jinko solar panels 15kW or 15kW—25/25 years […]

Systems designed for a Ballarat winter

Sized for real-world conditions

Recommendations based your property

Advice based on your family, home and the way you live

Off-grid Redundancy experience

Technical experience that goes beyond standard solar installs

100up Off Grid Solar Installed 

Regional Victorian Home Owners 100% Off Grid with properties just like yours
Target Property Profile

Energy Independence Optimision

~ 28.1 kWh
Daily Demand Target
Full Occupancy Design for Long-Term Performance
We size for maximum bedroom capacity, not current usage, so your system supports future owners, growing families, and stronger resale value.
Redundancy Where Reliability Demands It
For larger or higher-risk properties, we can design dual or triple inverter redundancy to reduce single points of failure and keep critical loads running if one unit goes down.
Worst-Case Winter Solar Sizing 
We oversize arrays for dark Ballarat winter weeks, capturing enough energy in short sun windows to recover batteries fast.
Battery Autonomy for Consecutive Low-Sun Days
Every system includes roughly two days of battery reserve, so poor weather doesn’t force lifestyle cutbacks or generator dependence.
Target Profile

Energy Independence & Protection

100% OFF GRID
Built to handle real-world energy demand with confidence. The 20kW Off grid solar system is designed for reliable, long-term off-grid performance
Pricing Subject to Site Inspection, Roof & Ground SURVEY
We Desgin, Supply & Install
100up will help you plan and pick the best system to match your needs - give us a call
Expand and Upgrade Ready
Remote Monitoring & Support
Complete System Documentation
Proven Components & Accredited Installers
Off‑grid systems designed by 100UP and installed by SAA‑accredited electricians using CEC‑approved products.
10+ Years Precision Installation

Ready to Plan your20kW Off-grid System?

Talk to us about your property, your usage, and your timeline.
Call us direct on 1300 489 152 or send a text to 0400 092 621 — real advice from real off-grid solar installers.
Local Ballarat Team ●  10 years Over 120+ Installs 
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation
100Up Off Grid Solar Logo Orange Wordmark
Off-grid solar systems designed for reliable, long-term energy independence.
Off-Grid Solar Design & Installation in Ballarat
Supporting Ballarat and regional Victoria with reliable off-grid systems.
Proudly Built by Brighter Websites
© 2026 100UP Off-grid solar systems. All rights reserved.

Enquire about - High Energy Use 20kW Family Off-Grid Kit

We respect your privacy - View our Privacy Policy.