Off Grid Power Systems for Sydney and Regional NSW
Power your property independently with a solar and battery system designed for life off the grid.
- ISO accredited solar installer
- Trusted local installer since 2008
- Own showroom and in-house installation team
- Solar, battery and generator systems tailored to your property
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Quality off grid systems
Off grid power systems run your property entirely on the sun and stored energy, with no connection to the electricity grid. We design and install systems that combine solar panels, battery storage and a backup generator where needed, so you have reliable power wherever you are.
Inspire Energy uses various types of systems like the Red Earth Energy Systems. We have systems ranging from 3kVA to 500kVA.
Who Off Grid Power Systems Suit
Going off grid makes the most sense when connecting to the grid is expensive, unreliable or simply not possible. We install systems for:
- Farms: powering homesteads, pumps, cool rooms and machinery sheds.
- Rural homes: where extending power lines would cost tens of thousands of dollars.
- Sheds and workshops: running lights, tools and battery chargers away from the house.
- Cabins and weekenders: simple, low-maintenance power for holiday properties.
If you already have a grid connection, a hybrid system with home solar batteries usually gives you better value. You can compare options in our solar and battery packages.
Why quality is important
Designing a standalone solar power system that fits your needs is essential. At Inspire Energy, we focus on both the overall design and selecting reliable products to ensure your system becomes a steadfast power source.
When you’re off grid, there’s no backup network to fall back on. That’s why we size every system around your real usage and the shortest winter days, then choose proven components built for Australian conditions.
Off Grid Battery System Sizing
Your off grid battery system is the heart of the setup. It stores daytime solar for use overnight and keeps your property running through cloudy spells.
We size the battery around two things: how much power you use each day, and how many days you want to run without sun. Most systems are designed for two to three days of backup.
For example, a cabin using 5kWh a day with a 15kWh battery could last around three days without recharging. A family home using 15kWh a day would need a much larger battery to do the same.
Stand Alone Solar Power
Stand alone solar power is a self-contained system for one building or task, such as a pump, gate, shed or remote cabin. It can be as small as a few panels and a single battery, and it’s often far cheaper than running power lines across a large property.
Example Off Grid Systems and Prices
| System | Solar | Battery | Typical price range |
|---|---|---|---|
| Cabin or weekender | 3–5kW | 10–15kWh | $15,000–$25,000 |
| Rural family home | 8–12kW | 30–40kWh | $40,000–$65,000 |
| Farm or large property | 15–20kW+ | 50–80kWh+ | $70,000+ |
These are guides only. Your final price depends on your usage, site access and whether you need a backup generator.
Maintaining your off grid system
Maintaining stand-alone systems is essential, but with a monitoring device, you can easily track its performance and detect when attention is needed. It’s recommended to have a solar professional inspect your system annually.
We recommend scheduling a yearly general clean and inspection through our solar panel servicing team, or more frequent checks if preferred (especially advisable for those in dusty or high pollution areas). This ensures your solar system continues to operate at its best.
Following the inspection, we provide a detailed report on your system and our findings, advising on any issues that may need attention.
Off Grid FAQs
How much does an off grid system cost?
A small cabin system usually starts at around $15,000, while a full off grid setup for a rural family home is often $40,000 or more. The biggest factors are your daily power use, battery size and site access.
Do I need a backup generator?
Not always, but we often recommend one for homes and farms. A generator can top up your batteries during long cloudy periods, so you don’t need to pay for an oversized battery bank.
Are there rebates for off grid solar?
Yes. Off grid solar panels can attract Small-scale Technology Certificates, which reduce the upfront cost, and eligible batteries may also qualify for a discount. We’ll include any rebates in your quote.
Get a Free Off Grid System Design and Quote
Tell us about your property and how you use power, and we’ll design an off grid system to suit, with clear pricing and no obligation.