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Large country property with a pool and rooftop solar panels

Comprehensive Power large Off-Grid solar systems

Built for flexibility, the Comprehensive System uses advanced AC-coupled technology to power luxury homes, micro-grids and multiple buildings with reliable off-grid energy.

The Comprehensive System is adaptable to the largest energy requirements, with no compromise on lifestyle.

50+ kWh

Large Properties

Accommodation

Farms

Small Housing Developments

Businesses

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Features

Comprehensive large battery power system features

Technician finishing a containerised comprehensive off-grid power system

Pre-programmed and fully automated “set & forget” operation designed to run seamlessly with minimal user input, delivering reliable performance, optimised energy management, and hassle-free everyday use.

Pre-built Ready for Deployment

The large comprehensive off-grid system is pre built, wired and programmed ready for installation in existing infrastructure, like a shed, or it can arrive on site as a fully-customised containerised unit.

Solar Panel mounting Options

The solar panels can be mounted on your roof or on adjustable ground frames.

Power Source Options

Each of our large off-grid solar power systems incorporates:

Highly sophisticated inverter/charger technology

One or multiple solar inverters with maximum power point tracking (MPPT)

Tailored LFP lithium-ion battery capacity

Local and remote system monitoring for oversight on full system performance

Power Source Options

Depending on what’s best suited to your site, needs and circumstances, the system will utilise any combination of:

Solar panels

micro-hydro

fuel generators

Off-Grid installations gallery

Configuration

Comprehensive Off-Grid power system configuration

All Comprehensive power systems are pre-built and tested in-house for quality assurance and speedy installation onsite.

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Diagram of a comprehensive off-grid solar system showing all generation, storage and distribution components

Solar modules

Convert light into power

(AC Coupled Config) Solar inverter

Converts DC power from solar into usable AC power

(DC Coupled Config) Charge Controller

Feeds DC power safely to the batteries

Batteries

Store power generated from the solar

Inverter Charger

Converts and moves power through the system as needed

Fuel Generator

Provides backup power when needed

Switchboard

House Appliances

Specifications

Comprehensive power Off-Grid solar system specifications

Our off-grid power systems have highly advanced inverter and charger technology. We will install one or more solar inverters with Maximum Power Point Tracking (MPPT) as well as batteries that are suitable for off-grid use.

SpecificationSystem Specifications
Customer Energy Usage

50+ kWh/day

Power Output

15000W+ (continuous) / 23000W+ (30mins)

Surge Capacity

33000W+

Configuration

48V or 120V

Unit Connection

Fixed; Hard-wired to application

Monitoring

Local System Monitoring and Remote System Monitoring (network connection reqd)

Off-Grid Battery Selection

Option: Various Watt (metering) for continuous Switching utilities

Power Input Range (DC)

Includes 550kW continuous Inputs - Max AC coupled solar

Power Input Options

Solar panels, hydro & fuel generators

Case studies

Comprehensive power Off-Gridsolar system installations

Mithaka Aboriginal Corporation

Mithaka Aboriginal Corporation

In early 2025, Off-Grid Energy Australia was engaged by Josh Gorringe, Traditional Owner and general manager of Mithaka Aboriginal Community, to design and install a standalone power system for the property in remote Western Queensland, nearby to the iconic Betoota Hotel. The system will support a new accommodation area and central […]

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Coobool Downs Aquaculture Farm

Coobool Downs Aquaculture Farm

After running their Murray Cod Aquaculture operation from expensive diesel generators for years, Coobool Downs wanted an alternative.

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Mt Boothby Pastoral Off-Grid Farrowing Property

Mt Boothby Pastoral Off-Grid Farrowing Property

A huge effort by our team to salvage this system and provide a safe and working off-grid system for the Farrowing Property.

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Case Studies

Costing & Rebates

Comprehensive powerlarge Off-Gridsolar power system costings

Comprehensive large solar systems installed from $86,000

Our off-grid power systems are tailored to meet your specific needs and costs vary depending on your exact circumstances and requirements.

System prices that are shown have been provided to you as a guide only and are starting prices that assume standard installation with all necessary OEA specified infrastructure and site preparations taken account of by the customer.

Chat with our friendly team and let them help you find the right solution:

Large ground-mounted solar array for a comprehensive off-grid system

Rebates

Federal government rebates exist for eligible applicants, ranging from $1,700 – $30,000 depending on how much renewable energy is included in the final system. full rebate info

Renewable Energy Fraction

Maximising your renewable energy sources will minimise ongoing generator costs.

Equipment Placement

For sites that do not have a suitable enclosure to house our AdaptUnit then the EnergyBox might be required at an additional cost.

Installer walking past ground-mounted solar arrays on a comprehensive site

Load profile

Comprehensive power system load profile

To accurately design your ideal off-grid solar system and provide you with a quote, we need to understand your property’s power usage.

We do this by asking you to complete an Energy Load Profile in which you list all the appliances and utilities that use power with an estimate of their usage amount. Once this is completed, we can recommend the best system design and size for you.

Download load profile (excel version)

Next steps

Start your Off-Grid project

Step 1

Contact

Contact our friendly and experienced team or fill out our Request A Quote form to give us the information we need to start the process.

Step 2

Assess

We assess your energy requirements and discuss your motivations for getting battery storage, to figure out what’s right for you.

Step 3

Design

We design systems to suit your usage, your objectives, and your site requirements.

Step 4

Quote

You receive your quote options and system performance data for your property.

Off-Grid Energy Australia — Established 2011

Contact us today on

1300 334 839
Request A Quote

Testimonials

Comprehensive power Off-Grid system testimonials

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Matt
Thomas
Cameron
Chrissy & Lisa
Mike
Mandy

Damien took the time to explain everything thoroughly, patiently answering every dumb question I had, and telling me honestly what I didn’t need, as well as what I did need. Excellent customer service wins every time. Off-grid Energy are thorough, customer-oriented experts. Thanks for an easy transition to life off-grid!

Matt

Blue Mountains, NSW

Why choose Off-Grid energy

The Off-Grid energy advantages

Quality Components

Installing a solar battery storage system is a long-term investment you rely on every day. With varying quality standards, we never compromise, sourcing only the best components for trouble-free performance.

Off-Grid Energy Australia battery storage components

System sizes

Select a different size Off-Grid system

Trusted and Award-Winning

Smart Energy Council Smart InstallerBronze Master ElectricianRenew Organisation MemberSolar Accreditation AustraliaAustralian Small Business Champion Awards 2014 WinnerTesla Powerwall Certified InstallerMaster Electricians Australia Clean Energy Project of the Year 2025Smart Energy Council Smart InstallerBronze Master ElectricianRenew Organisation MemberSolar Accreditation AustraliaAustralian Small Business Champion Awards 2014 WinnerTesla Powerwall Certified InstallerMaster Electricians Australia Clean Energy Project of the Year 2025

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