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Off-Grid Solar Systems

20kW Off grid solar system

20kW three-phase system with independent inverter redundancy and modular storage for high-demand households and EV charging.,
after rebate
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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

High Energy Use 20kW Family Off-Grid Kit

A 20kW off-grid solar system suits families of five or more with minimal power restrictions. Both Deye/Pylontech and Sigenergy options offer expandable batteries and solar arrays up to 27-36kW, with integrated EV charging capabilities and independent operation for uninterrupted power supply.

BEST FOR

Large Family Homes with 5+ Residents, Small Family with Electric Vehicle, High Energy Users with No Power Limitations, Property Owners Seeking Redundancy and Reliability

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.

20kW Off-grid

SOLAR Arrary
15kW
Battery
22k-39kWh
Inverter
18 kW
Ask about the 20kW Off-grid kit
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation

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 can be extended with Batteries added at a later stage Solar panels array can be extended up to 27kW.

Sigenergy 20kW System inverter/battery unit operates independently. In the event of a failure in any unit, the others will continue to provide power without interruption. Extensions also include batteries that can be easily added 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 Information
Recommended generator size: 15kVa or bigger
Pylontech 22kWH or Sigenergy 39kWH usable capacity— both lithium Batteries with 10 years warranty
3x 6kW Sigenergy or Deye inverter. Both with Remote monitoring and 10 years warranty
Jinko solar panels 15kW—25/25 years warranty

If you need a second opinion or your setup is more complex, Talk to Fred About your System first.

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.
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100Up Designed for Off the Grid Living.Solar, Inverter and Battery Sized Right

Based in Ballarat, Fred and the team design and install off-grid solar systems across regional Victoria.
REgional Victoria OFF-GRID INSTALLATION

Designed for Full Occupancy

We size for the home and its realistic future occupancy, and how you plan to use power today & in the future.

Built to Work through Worse Case Winters

We oversize arrays for dark Ballarat winter weeks, capturing enough energy in short sun windows to recover batteries fast.

Battery to Get Through Low Solar Days

48-Hour Battery Autonomy. Battery storage is designed to carry the household through consecutive low-production days. 

Redundancy Where Reliability Demands It

Where practical, dual inverters and distributed battery storage reduce single points of failure.
See More about Off Grid Design & Sizing with 100up
REgional Victoria OFF-GRID INSTALLATION

Off-Grid Solar, Installed Across Regional Victoria

Based in Ballarat, Fred and the team design and install off-grid solar systems across regional Victoria.
Ballarat
Bendigo
Geelong
Grampians
Castlemaine
Talk to Fred About My System
Illustrative map of Ballarat and surrounding regional road network showing general service coverage area rather than precise geographic boundaries
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Ferdi Nuredinovski

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Fred installed our solar. Very honest very reliable. He goes above and beyond. Tries his best to help. Does a great job. I recommend.

Dino Papa

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Quotation & installation process. They have been unfailingly helpful and never failed to communicate pro-actively & effectively.

Andrew Webb

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Fred did a great job was extremely patient with the slow build Clean and tidy Explained what he was doing along the process

Darcy Joynson

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Fred installed our system 2 years ago and it has been fantastic. Fred was great and efficient, great communication. Highly recommended

Hayley Richards

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Updated our off grid solar. Cannot recommend this company enough. Fred is very Knowledgeable, honest and very reliable. Great Job.

Lesley

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Fred was so helpful. I'll know who to call. THANK YOU

Paul Purcell

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Very responsive and professional

Hugh Wareham

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100up Off Grid Solar Projects - Designed & Installed

Regional Victorian Home Owners 100% Off Grid with properties just like yours
Victoria · New South Wales · South Australia

Off-Grid Solar Solutions Powering Fire Monitoring Towers Across Eastern Australia

Across Victoria, New South Wales, and South Australia, these systems keep remote fire towers powered where the grid cannot. Quiet, reliable, and built for isolation.

See the Installation
Aerial view of solar panel arrays installed on ground-mounted structures in a rural, grassy area with dirt paths and rocky outcrops
Haddon, Vic

50kW Off-Grid Solar. No Grid Connection. No Power Bills.

A comprehensive 50kW off-grid solar installation featuring three ground-mounted Jinko 470W panel arrays connected to multiple MPPT charge controllers. Power flows underground to a shed housing two Victron inverters and a Pylontech battery system, eliminating grid dependence and monthly power bills entirely.

See the Installation
Sigenergy inverter and lithium battery storage installed for an off-grid solar system near Ballarat VIC
Dereel, Victoria

Maximum Solar Array Exposure with custom shed roof mount | 12kW Dual Gard Sigengery

A Dereel property near Ballarat now runs year-round on a 12kW dual Sigenergy off-grid system designed for harsh winters. The setup features two independent inverters and battery banks totaling 26kWh of storage, an oversized 11kW Jinko solar array on custom tilt-frames, and redundancy to prevent blackouts during extended grey weather periods.

See the Installation
We Desgin, Supply & Install

Energy Independence & Protection

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
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation
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

20kW Off-grid

Inverter
18 kW
Battery
22k-39kWh
SOLAR Arrary
15kW
Pricing Subject to Site Inspection, Roof & Ground SURVEY
Ask about the 20kW Off-grid kit
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.
Ask about the 20kW Off-grid kit
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Local Ballarat Team ●  10 years in OFF GRID SOLAR
Complete 20kW off-grid solar system showing Deye inverters, Pylontech batteries, and solar panels for independent power generation

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

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