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Off Grid Solar Power System

As electricity consumption and costs continue to rise, the world is increasingly turning to renewable energy sources to meet its growing energy demands. Among these, solar energy has emerged as one of the most promising solutions. With declining installation costs and advancements in technology, solar power—especially through initiatives like Solar Panels for Home under UPNEDA—is becoming an increasingly popular and efficient choice for households and businesses alike.

A solar system is a setup designed to generate electricity using solar energy. The key components include:

Solar panels to capture sunlight
An inverter to convert DC to AC power
Mounting structures to support the panels
Batteries (in some systems) to store excess energy
Grid box for managing power flow
And other essential accessories like wires, connectors, and fasteners

Solar systems are available in various capacities, such as 1 kW, 2 kW, 3 kW, 5 kW, 7.5 kW, and 10 kW, depending on your energy needs and usage.

What is Off-Grid Solar System (with Battery)?

Off-grid solar systems are designed to provide electricity even during power outages or at night, thanks to their battery storage and backup mechanism. These systems operate independently of the main grid and are ideal for areas with unreliable or no grid access.

An off-grid solar setup typically consists of four main components:

Solar panels to capture sunlight
An inverter to convert DC to AC power
Batteries to store excess energy
System balancing components (wires, charge controllers, etc.)

This type of solar system is gaining popularity due to its ability to offer uninterrupted power supply and complete energy independence.

How does an off grid solar system work?

An off-grid solar system consists of four key components: solar panels, a solar inverter, batteries, and system balancing equipment.

Solar panels capture sunlight and generate DC electricity, which is stored in batteries for later use.
To run DC appliances (like 12V fans or lights), a charge controller is needed.
To operate AC appliances (like 220V home devices), an inverter is required to convert DC into AC power.

Modern inverters operate automatically, ensuring that solar power is used to run appliances and charge batteries seamlessly. In the event of a power outage, the system can switch to battery power, maintaining an uninterrupted supply of electricity.

How can you calculate off grid solar system?

An off-grid solar system is capable of powering most household appliances, including fans, televisions, air conditioners, refrigerators, water pumps, and more.

A 1 kW off-grid system is suitable for a 2–4 BHK home with basic appliances.
If you plan to run a 1 HP water pump, a 3 kW system is recommended.
To operate an air conditioner, consider upgrading to a 5 kW solar system.
For commercial setups like shops, clinics, small mills, or petrol pumps, a 10 kW off-grid system is ideal.

This is one of the most commonly used backup solar power solutions, offering uninterrupted performance both day and night. During the day, solar panels charge the batteries while simultaneously powering home appliances. At night, when solar energy isn’t available, the inverter draws power from the batteries to run your electrical devices seamlessly.