Off Grid Solar Power Systems

Off Grid Solar Power Systems offer a dependable, self-sufficient way to generate and use electricity without relying on the main power grid. By capturing sunlight through solar panels, storing excess energy in batteries, and converting it into usable power, these systems provide complete energy independence for homes and businesses alike.

Whether you live in a remote area or want to reduce dependence on the grid in an urban setting, SPS Energy designs and installs custom Off Grid Power Solutions that ensure continuous, eco-friendly power — anytime, anywhere.

What is the off grid solar power systems?

An Off Grid Solar Power System is a standalone energy setup that works independently of the main electricity grid. It generates power through solar panels and stores unused energy in batteries for later use — such as at night or during cloudy days.

While these systems are ideal for rural or remote properties where connecting to the grid is costly or impractical, more Australians are now choosing Off Grid Power Solutions in cities to cut rising electricity costs and gain greater control over their energy usage.

These off-grid solar electric systems are ideal for properties in rural or remote areas were connecting to the grid can be expensive or impractical. However, many Australians are also turning to Off Grid Power Solutions in urban locations to gain greater control over energy usage and reduce the impact of rising electricity costs.

Power Your Home, Your Way — Go Off Grid Today

Key components of Off Grid solar power systems

To function efficiently, an Off Grid Solar Power System combines several essential components that generate, store, and distribute power safely and reliably.

1. Solar Panels

Solar panels are the foundation of every off-grid system. They capture sunlight and convert it into electricity. The number and size of panels depend on your location, sunlight exposure, and daily energy needs. A professional solar panel installation by SPS Energy ensures your system runs efficiently and delivers optimal performance.

2. Solar Battery Bank

Since off-grid systems are not connected to the main grid, energy storage is essential. The battery for solar panel systems stores excess energy produced during the day, ensuring a steady power supply at night or during low-sunlight periods. Multiple batteries often form a solar battery bank to guarantee reliability and consistent energy output.

3. Solar Inverter

The inverter converts direct current (DC) from the solar panels into alternating current (AC), which powers household and commercial appliances. Stand-alone or hybrid inverters can be used depending on your energy setup and usage requirements.

4. Solar Charge Controller

The charge controller regulates the flow of electricity between the solar panels and the batteries. It protects the batteries from overcharging or discharging too deeply, ensuring safety, efficiency, and extended battery life.

5. Alternative Energy Sources

While solar energy is the primary source, incorporating a backup power option is wise. Many off-grid solar system packages include a backup generator or wind turbine to provide extra power during extended periods of cloudiness or peak energy demand.

How Do Off Grid Solar Systems Work?

Solar Panels Capture Sunlight

Photovoltaic (PV) cells in solar panels convert sunlight into DC electricity.

Charge Controller Regulates Energy

It controls energy transfer to ensure safe battery charging.

Battery Storage Stores Energy

Energy is stored in a battery for solar panel systems for use when sunlight isn’t available.

Inverter Converts DC to AC

Stored DC power is converted to AC power for everyday appliances.

Power Distribution

The converted AC power is supplied to connected devices and appliances, completely independent of the grid.

Off Grid Solar Power for Residential Use

Our Residential Solar Systems provide homeowners with the freedom to live off the grid without sacrificing comfort or convenience. By storing extra solar energy in high-performance batteries, these systems ensure uninterrupted power — even when the sun isn’t shining.

Perfect for rural homes or anyone seeking complete energy independence, SPS Energy’s Off Grid Solar Power Systems deliver reliable, sustainable, and long-term cost-effective energy solutions.

Off Grid Solar Power for Commercial Use

For businesses in remote areas or those looking to reduce grid reliance, our commercial solar installation services provide robust and independent energy systems.

SPS Energy specialises in Off Grid Solar Power Systems that combine solar panels, advanced battery storage, and smart inverters to guarantee reliable electricity 24/7 even during power outages.

With over 30 years of experience in renewable energy, SPS Energy delivers customised Off Grid Power Solutions that enhance business continuity, reduce operational costs, and support sustainability goals.

Pros and cons of Off Grid Power Systems

Pros

Complete energy independence
Environmentally friendly
Long-term cost savings
Reliable during grid outages
Customisable and scalable
Promotes self-sufficiency

Cons

Energy availability depends on sunlight
Regular battery and system maintenance required
Initial setup cost can be higher
May require technical knowledge or support
Space needed for panels and equipment
Lifestyle adjustments may be needed to conserve energy

Frequently Asked Questions

How many solar panels and batteries will I need?

That depends on your daily energy usage (in kWh), peak loads, location (sunlight hours), and desired autonomy (how many days you want backup without sun). A professional load assessment will model your consumption and size the system accordingly.

Can I run normal household appliances on an off-grid system?

Yes ! but you must size your system to handle high-demand appliances. For example, modern inverter air-conditioners are more efficient and can be accommodated if your system is designed appropriately. You may need to manage usage or stagger appliance use during low-sunlight periods.

Do I need a backup generator?

While a backup generator isn't mandatory, it’s highly recommended. During prolonged cloudy periods or unexpected high loads, a generator can supply power when batteries are depleted. Having a hybrid system improves reliability

How long will the batteries last?

Battery lifespan depends on type and usage:

Lead-acid batteries typically last 5–10 years with proper maintenance.

Can I expand the system later if my energy needs increase?

Yes — expansion is possible in most systems. You can usually add more solar panels, battery capacity, or upgraded inverters. Planning ahead (oversizing inverter, modular battery architecture) makes future scaling easier.

How much does an off-grid solar system cost?

The cost varies widely — depending on energy demand, equipment quality, location, and installation complexity. Small systems may start in the tens of thousands (in AUD), while full-home systems with high capacity will cost substantially more. It’s best to request a custom quote.

Ready to Go Off-Grid?

Join countless Australians enjoying energy independence, lower power bills, and sustainable living with SPS Energy’s custom off-grid solar solutions.

We use high-quality panels, batteries, and components to ensure reliable power—anytime, anywhere.

Need help?

Phone

(07) 5442 7608

Email

info@spsenergy.com.au

Address

17 Memorial Dr, Eumundi QLD 4562