Pros and Cons of On Grid Solar System

The world is becoming more aware of the energy crisis and utilizing solar power is one of the key solutions to achieving a sustainable energy future. An on-grid solar system is the most common type of solar system. It is connected to the electricity grid, meaning that any excess electricity produced by the system can be sent back to the grid for others to use. On-grid systems are also easier and cheaper to install than off-grid systems, as they do not require batteries or other storage devices. However, before investing your money, you should be aware of the pros and cons of on grid solar system.

An on-grid solar system, also known as a grid-tied solar system, is the most widely deployed form of rooftop solar worldwide. These systems do not need any batteries and are connected to the utility grid power.

It is best suited for customers with stable grid power and minimal power cuts. Other than homes, educational institutions, industrial units, and commercial establishments use these systems as their primary power source.

An on-grid system is designed first to allow solar energy to be consumed by the customer. Beyond this, if the customer needs excess power, it is drawn from the grid. Excess solar units are exported to the grid if the customer's energy requirement is lower than the power generated from the solar system. This is possible through a 'Net-meter". Before getting into the pros and cons of on-grid solar system, it's also important to know their types.

There are two main types of on-grid solar system.

1. With backup power: These systems are designed to provide power in case of a grid outage. They have batteries that store energy generated by solar panels, which can be used without sunlight or during a power outage.

2. Without backup power: These systems do not have batteries and rely solely on the grid for power. When there is a power outage, these systems will not be able to generate electricity.

What are the Pros of the on-grid solar system?

There are many benefits and perks to consider when listing the pros of a grid solar system.

1. Reduced electricity bill

The solar PV system will offset some or all of your electricity consumption, reducing your bill. The On-grid solar system reduces your electricity bills by generating solar power and storing it in batteries. The stored solar power can be used to offset the cost of your monthly electricity bill. It can eliminate your monthly electricity bill in some cases. Solar power is a renewable and clean energy source that can help save you money and protect the environment.

2. Earn money from the government

In some countries, you may be eligible for financial incentives, such as feed-in tariffs, which can help offset the system's cost. Some governments provide subsidies for solar grid systems, while others do not. It is advisable to check with the relevant government authority to see if there are any subsidies available.

3. Reduce your carbon footprint

Solar PV systems generate clean, renewable energy that does not produce greenhouse gas emissions. This factor is among many potential pros of on grid solar system since you contribute to safeguarding the eco-system.

4. Increase the value of your home

The on grid solar systems can increase the value of your home or business. In some cases, solar panels can make your home more valuable than without them. Solar panels can also help reduce your energy costs, which can further add to your savings. In addition, solar panel systems can help protect your home from power outages and provide you with clean, renewable energy. These factors can make solar an attractive option for homeowners looking to improve their home's value.

5. Better ROI is one of the main pros of on grid solar system

Rather than requiring batteries, on-grid solar systems have none. It also produces the most electricity among all solar technologies. The minimal upkeep and monthly power expenses assure a 25-30% return on investment. A grid-tied system allows you to take advantage of net metering, significantly increasing your return on investment (ROI). Net metering is a policy that allows solar customers to sell their excess electricity back to the utility company at the same rate that they pay for electricity from the grid. This effectively reduces your monthly electric bill and increases your savings.

What are the Cons of on-grid Solar System?

Besides the good reasons, here are some of the cons of a grid solar system.

1. Upfront cost

The initial cost of a grid-tied solar system can be high from installation to equipment. However, the cost has dropped steadily, and many financing options are available to make it more affordable.

2. Dependency on the grid

You will be without electricity during a power outage if you have an on-grid system without backup power. This means the system will fail in case there is a long power outage due to an exceptional incident like a storm or human error on the grid.

3. Maintenance is one of the cons of on grid solar system

Solar panels need to be cleaned regularly to maintain their efficiency. Depending on the type of system, this may be something that you have to do yourself or hire someone to do.

4. Solar panels can be damaged

Solar panels are susceptible to damage from high winds, hail, and other severe weather. If your panels are damaged, they will need to be repaired or replaced.

5. Not all homes are suitable for solar panels

Solar panels need to be installed in a sunny location with little shade. If your home is not suitable, you may not be able to install an on grid solar system. Depending on the roof coverage or the space you have around the house of your workplace, you'll need the panels installed. Therefore, if you lack space, this is one of the considerable cons of on grid solar system.


Ultimately, that decision comes down to you and the specific needs of your property and energy usage. If you want to go off-grid and have more control over when your solar system produces power, then a battery-powered system is likely a better option for you. However, if you like being able to use net metering to sell excess power back to the grid, an on-grid system might be a better choice. No matter which type of solar system you choose, it's important to do your research to make an informed decision about what will work best for you.

Pros and Cons of On Grid Solar System

Frequently Asked Questions

What is the disadvantage of on-grid solar system?

Solar panels don't work at night or when there is no sunlight. They don't provide you with any more motivation to save electricity.

Which is better off-grid or on-grid solar system?

Being grid-connected allows you to save money on a battery backup system since you don't have to buy one. Being off-grid means that you are not linked to your grid's power system or utility provider. This is appealing because it guarantees complete self-sustainability of your energy usage.

Is on-grid solar system worth it?

Buildings can produce enough solar energy to power equipment, lights, water heating systems, and other services on sunny days. Advantages: On-grid solar systems are very cost-effective and simple to install. Businesses may recoup the expense of their investment within 3-8 years by offsetting electricity expenses.

Which is cheaper on-grid or off-grid solar system?

The most significant point is that typical homeowners aren't off-grid systems. They are neither cost-effective nor straightforward to install and administer. A similar off-grid system with adequate battery storage for your requirements will set you back three to four times as much as a grid-tied system.

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