What is an On-Grid Tie Inverter – Types, Features, Benefits & More

Imagine you are looking at your electricity bill. You wince at the total, wondering how just a few household appliances result in such a staggering bill. Eventually, you pay it.

On the other hand, you’ve thought about going solar. But who would manage those heavy, high-maintenance batteries? It could mean trading one headache for another!

So, do you continue living with your challenges? Thankfully, you don’t have to. You can curtail your energy bills using the sun, while retaining the reliability of your grid.

This is possible with an on-grid tie inverter that offers you the best of both without dragging the battery luggage. Let us explore a little more about an on-grid tie inverter.

What is an On-Grid Tie Inverter?

Also called a grid-tied inverter, an on-grid tie inverter converts direct current (DC) generated by solar panels into alternating current (AC). However, unlike off-grid systems, an on-grid inverter is connected to the local utility power grid.

This linkage works in two ways. It allows you to export excess solar energy back to the grid and import it from the grid whenever the production is low.

Top-tier inverters match the voltage and frequency of the grid to ensure seamless power transfer and efficient energy management.

Benefits of an On-Grid Tie Inverter

Installing an on-grid tie inverter is a prudent decision if you want to maximize your solar investment value while staying connected to the grid. Here are some benefits.

• Reduced Electricity Bills: This is the most visible benefit of an on-grid tie inverter. Installing one enables you to use the solar power generated during the day and lowers your electricity bills over time.
• Net Metering: In many regions, you can export excess solar power to the utility grid and receive credits or compensation for the additional electricity supplied.
• High Energy Efficiency: On-grid tie inverters ensure maximum energy conversion efficiency, ensuring minimal energy loss during operations.
• Sustainability: An on-grid tie inverter enables you to use solar energy that reduces your dependence on fossil fuels and lowers your carbon emissions.
• Reliable Power Support: During low solar production periods, the inverter switches to the utility grid, ensuring uninterrupted power availability.
• Cost-Effectiveness: These systems do not require large battery banks. Thus, installing and maintaining them is easier and cheaper than off-grid systems.

Key Features of an On-Grid Tie Inverter

Some common features of an on-grid tie inverter include:

• Maximum Power Point Tracking (MPPT): MPPT continuously tracks optimal voltage and current levels from solar panels to maximize power generation.
• Grid Synchronization: The inverter auto-synchronizes with the utility grid’s frequency and voltage for smoother energy transfer.
• Real-Time Monitoring: Many inverters can integrate with Wi-Fi or mobile apps, letting you monitor system performance, energy production, and real-time use.
• High Conversion Efficiency: Most modern on-grid tie inverters offer 95%+ efficiency levels that ensure effective, optimal use of solar energy.
• Safety Protection: On-grid tie inverters also offer protection against overload, short circuits, overheating, overvoltage, and anti-islanding for safe operations.
• User-Friendly Design: Grid-tied inverters are usually lightweight, compact, and easy to install, making them apt for residential and commercial applications.

How Does an On-Grid Tie Inverter Work?

A grid-tied inverter has a straightforward yet effective way of functioning.

• Step 1: Solar panels absorb sunlight and produce direct current (DC) electricity.
• Step 2: The inverter converts DC to AC suitable for household appliances.
• Step 3: The generated AC powers connected electrical devices and appliances.
• Step 4: Additional electricity is auto-exported to the power grid.
• Step 5: During night or low production, electricity is imported from the grid.
• Step 6: Monitors grid conditions and synchronizes voltage and frequency.

Applications of On-Grid Tie Inverter

Grid-tied inverters serve a range of applications, some of which include:

• Residential solar systems
• Offices, shopping malls, and educational institutions
• Industries with considerable electricity consumption
• Utility-scale solar farms
• Government and public infrastructure
• Agricultural applications

Final Words

Solar energy systems are a step ahead toward achieving energy independence and driving sustainability. However, at times, solar power may be intermittent. Therefore, reliable power supply and distribution also matter and need to be addressed. An on-grid tie inverter offers you the benefits of both – the affordability of solar energy and the reliability of the utility grid. Therefore, installing a grid-tied inverter isn’t just a smart move, but a meaningful, considerate decision.

At EnerTech, we manufacture advanced AI-based solar on-grid inverters. Powered by intelligent MPPT algorithms, the inverter also offers a range of features such as power backup, a wide range of 2kW to 6kW, and an IP 65 protection level. It is made in India and tested across diverse weather conditions to ensure optimal output and efficiency in each condition and for every application it serves.

Want to know more? Visit our product page or email us at sales@enertechups.com.

Frequently Asked Questions

Why is an on-grid inverter used?

It converts DC electricity from solar panels into AC electricity and synchronizes it with the utility grid to ensure efficient power usage.

Can an on-grid inverter work during a power outage?

Usually, standard on-grid inverters auto-shut down during a power outage for safety reasons, unless they are paired with battery backup systems.

Is net metering possible with an on-grid inverter?

Yes, if the grid in your region allows it. You can export excess electricity to the grid with the help of an on-grid inverter and receive credits.

Do on-grid tie inverters require batteries?

No. Standard inverters do not have batteries as they use the utility grid as a backup power source.

How long do on-grid tie inverters usually last?

Top-tier inverters often last somewhere between 10 and 12 years. However, factors such as quality and maintenance also play a crucial role in the inverter’s longevity.

What if my panels do not produce the electricity my home needs?

The system auto-derives the remaining power from the grid. Therefore, you won’t experience any interruption or voltage sag.

Does a grid-tied inverter require maintenance?

Yes, it does, but it is minimal. It is because the inverter does not have any moving parts to manage. So, all you need to do is keep it away from dust and check its performance metrics periodically with the help of its monitoring application.