Off-grid Solar System

Say goodbye to traditional utility grids.

Generate your own electricity and gain energy independence with off-grid solar systems.

About Off-Grid Solar Systems

What Is an Off-grid Solar System?

An off-grid solar system is like your personal sunshine powerhouse. These cool setups use solar panels to grab the sun’s energy, store it in batteries, and voila – you’ve got electricity even when the sun’s taking a break. 

They’re perfect for places where regular electricity isn’t easy to find – like cosy cabins, recreational vehicles (RV), or homes where the grid plays hard to get. 

It’s all about bringing that sunny spark to wherever you are!



Components of an Off-grid Solar System

Let’s break down the core pieces of an off-grid solar setup: solar panels, solar charge controller, solar inverter and battery. 


Benefits of an Off-grid Solar System

Off-grid solar systems are like a ray of sunshine, especially in places where a reliable grid connection is hard to come by or costs a pretty penny. Here’s why they’re awesome:

Energy independence

Going completely off-grid implies you rely solely on your self-generated electricity. This ensures that your home will run smoothly, even during emergencies, providing you with peace of mind and security.

Reduce carbon footprint

Off-grid solar systems leave a tiny environmental footprint when compared to old-school fossil fuels. They help reduce greenhouse gas emissions and reliance on non-renewable resources.

Lower energy costs

Once you’ve got your off-grid solar system up and running, you’ll love the fact that you can save significantly in the long run. With sunlight as a free and abundant energy source, you can wave goodbye to those hefty electrical bills!



Off-grid solar systems are super versatile! You can customise them to match your energy needs, whether it’s for your cosy home, farm, or an industrial setup. The cool part? As your energy needs grow, you can easily expand and adapt them to keep up!


Types of Off-grid Solar Systems

When considering the costs of going off-grid with solar, it’s important to recognise that there are several system options available. Each of these systems has its unique features and functionality, which influences the price you’ll have to pay. Here are some of the off-grid solar systems available:


Solar-only system

Solar-only systems use only solar panels to generate power, and any extra gets saved in batteries. This means that you’ll have electricity even when the sun takes a break (at night or on cloudy days)!


Direct Current (DC) system

Imagine a DC Off-Grid System as your power superhero, fueled by direct current from solar panels or wind turbines. Unlike the back-and-forth dance of electricity in your gadgets (alternating current or AC), DC systems keep things smooth with a one-way flow.

These systems store energy in batteries and can effortlessly run DC appliances like LED lights and fans!


Costs of an Off-grid Solar System

The typical price tag falls between SGD $45,000 – 65,000. However, it also depends on factors like system size, type, and components, which impact performance, efficiency, and long-term function. So, let’s break down the big factors that make up the cost of your off-grid journey:

Cost by type

System type Average cost
DC system SGD $6,000 – 10,000
Hybrid system SGD $10,000 – 50,000
Solar system with backup generator SGD $40,000 – 70,000

Cost by components

Component Average cost
Solar panels SGD $4,000 – 14,000 
Solar battery SGD $4,000 – 14,000
Inverter SGD $7,000 – 8,000
Solar charge controller SGD $500 – 600
Backup generator SGD $10,000 – 20,000


Off-grid vs On-grid Solar System

Off-grid solar systems offer total independence from the electrical grid, ideal for remote areas and self-sufficiency seekers. On-grid systems integrate with the grid, cutting bills and reducing environmental impact while staying connected to a reliable power source. For those solar panels found at homes, having a connection to the grid is pretty much a must!
Off-grid On-grid
Energy independence Provides energy self-sufficiency Connected to the grid for power
Battery storage Requires battery storage for energy storage Typically does not require batteries
Excess electricity Stored in batteries Sent back to the grid
Backup power Provides backup during grid outages No backup power during outages
Suitable locations Ideal for remote areas Ideal for urban and suburban locations with stable grid
Energy bills No electricity bills – the energy generated by the solar panels is stored in the batteries and used directly in your home, so you're not connected to the grid With the net metering scheme, you can offset your electricity usage with the excess energy your solar panels produce
Cost Higher upfront cost because it requires batteries and other additional equipment With our Rent-to-Own programme, you can enjoy solar power without the need for a significant upfront payment


Frequently asked questions

The key components include solar panels, a charge controller, a battery bank, an inverter, and optionally, a backup generator and load controller. These components work together to generate and store electricity.

Sizing your off-grid system involves calculating your daily electricity consumption, factoring in seasonal variations, and determining the number and capacity of solar panels and batteries required to meet your energy needs.

Contact us and our experts will be happy to help you with your system requirements and needs

To get an accurate estimate for your specific needs and location, get in touch with our solar experts. We can help assess your energy requirements, site conditions and other factors to provide a customised quote. 

Thereafter, we’ll connect you with the right solar partners to facilitate your off-grid solar installation.

While off-grid systems are typically used in rural and remote locations, they can be used in urban areas. However, it may be more common to install grid-tied systems in cities because of the existing electrical infrastructure.

The drawback of an off-grid solar system is that it typically requires a significant upfront investment in batteries for energy storage. These batteries can be expensive, have a limited lifespan, and may require regular maintenance.

Plus, on cloudy days, the power supply can be unreliable, which may be disruptive for those who need continuous electricity!

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