Off-Grid Solar System Cost: How Much Does It Really Cost To Go Off-Grid


Are you dreaming of a life powered by the sun, free from the constraints of the conventional energy grid? An off grid solar system might be the perfect solution for you. 

Although on-grid systems are much more popular and affordable than off-grid systems, in remote areas where the grid supply has not yet begun or where there are long and frequent spells of power cuts, off-grid systems are the better (sometimes, the only) choice.  

With the rise in the popularity of sustainable living and renewable energy, more people are considering making the switch. 

But how much does it really cost to go off-grid? In this comprehensive article, we will break down the expenses associated with off grid solar systems and more. 

Dive in for details!

Components of an off grid solar system 

Before we discuss the costs, it’s essential to understand the primary components of an off-grid system. This will help you gain insight into the factors influencing the overall price. Here’s a brief overview:

  • Solar Panels: The heart of your off grid PV system, responsible for converting sunlight into electricity.
  • Charge Controller: A device that manages the flow of electricity from the panels to the battery bank, protecting it from overcharging.
  • Battery Bank: Stores the energy your solar panels produce, ensuring a continuous power supply even during low sunlight hours and at night.
  • Inverter: Converts the stored DC power in the batteries to AC power, compatible with household appliances.
  • Mounting Hardware: Necessary equipment to safely install and secure the solar panels on your property.

Factors affecting off grid solar system costs

Now that you’re familiar with the components let’s help you explore the factors that influence the cost of an off-grid system:

  • System Size: Larger off-grid PV systems require more solar panels, batteries, and other components, increasing the overall cost.
  • Geographic Location: The amount of sunlight your location receives affects the number of solar panels you need and, consequently, the cost.
  • Energy Consumption: Higher energy consumption requires a larger solar system, increasing expenses.
  • Quality of Components: High-quality, durable components come with a higher price tag but offer better performance and longer life.
  • Installation and Labor: The complexity of the installation process and the labour involved can also impact the total cost.

That said, let us now give you a walkthrough of how various capacities impact the energy produced; and, ultimately, the cost of the system. 

Off-grid solar power plants: capacities and energy generation

Different off-grid solar power systems offer varying capacities, affecting the daily and annual energy output. Here’s a table summarizing the energy generation for various off-grid solar power plants:

Capacity Units Generated/Day Units Generated/Year
1 kW 4 units (avg) 1,440 units (avg)
2 kW 8 units (avg) 2,880 units (avg)
3 kW 12 units (avg) 4,320 units (avg)
4 kW 16 units (avg) 5,760 units (avg)
5 kW 20 units (avg) 7,200 units (avg)
10 kW 40 units (avg) 14,400 units (avg)


Naturally, as the capacity of the off grid solar system increases, so does the energy generation and the final cost. Select a system that best meets your power requirements.

Understanding off grid solar system costs

The total cost of an off-grid solar power system covers everything from procurement and installation to after-installation services. Prices typically range from ₹85-100/ watt peak, including batteries. The cost variation depends on the battery backup required.

For example, a 30-minute to 1-hour backup would require smaller batteries, while a 6-7 hour backup would necessitate larger batteries, increasing the overall cost. In short, the higher the battery capacity, the greater the off-grid solar system price.

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Return on Investment (ROI) for off-grid systems

Compared to on-grid systems, off-grid systems take longer to achieve a return on investment due to the higher costs associated with batteries. The off-grid PV system cost typically breaks even in about 6-7 years.

Although batteries currently limit the scalability of off-grid solar power systems, the advantages of stand-alone solar systems make them a worthwhile investment.

Long-term savings and incentives

While the initial investment in an off grid solar system can be substantial, the long-term savings are worth considering. By producing your own energy, you eliminate monthly electricity bills, and the system typically pays for itself within several years. 

Additionally, various government incentives and tax credits may reduce the cost of your off-grid system, making the transition to solar energy even more appealing. Some of the benefits to consider are:

  • Energy Independence: Say goodbye to fluctuating energy prices and utility company dependence. An off-grid solar power system offers a self-sufficient energy solution, giving you complete control over your power supply.
  • Environmental Impact: Harnessing the power of the sun significantly reduces your carbon footprint, contributing to a greener planet.
  • Remote Possibilities: Off-grid PV systems are ideal for remote locations where connecting to the conventional power grid is either impossible or prohibitively expensive.
  • Resilience: Your off-grid system will continue to provide power during grid outages or natural disasters, ensuring an uninterrupted energy supply.


Embracing an off grid system can be life-changing, offering numerous long-term benefits. 

While the initial investment may seem daunting, the eventual savings, energy independence, and positive environmental impact make it an attractive choice. 

By understanding the factors affecting the cost of an off-grid solar power system, you can decide whether this sustainable energy solution is right for you. 

So, step into the sunlit world of renewable energy, and experience the power of an off grid solar system for yourself!

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