The Difference Between Off-Grid and On-Grid Inverter
When it comes to solar power system, most of people have no idea how to pick one. And today we will talk about the main two types of solar energy system. Let’s make a deeper understanding on the two types of solar system, off-grid inverter and on-grid inverter solar energy.
What are Off-Grid and On-Grid Solar Energy?
An on-grid solar energy system works depending on the utility grid while an off-grid solar energy system needn’t. Choosing different solar energy will make you access to electricity through different ways. The two solar energy system perform totally different in many aspects such as the way to access electricity, the way to store excess electricity production, the way to maintain providing electricity when the grid goes down.
What are Off-Grid and On-Grid Inverter?
Inverter serves as an intermediary agent on the solar energy system. They could receive the solar energy from solar panel and invert them into electric energy and then sending to your household appliance. The main difference between an off-grid and on-grid inverter is that the off-grid inverter could discharge its electric energy as well as recharge while on-grid inverter can’t.
So an off-grid inverter could not only sending electric energy for household electrical equipment but also discharge the energy to battery bank in case of power cut.
We will introduce the difference between on-grid and off-grid solar energy system on three aspects.
In off-grid solar energy system, you will have only one way to acquire electricity. That is solar energy based on sunshine which means the amount of electricity depending on the sun, less or no electricity on a cloudy day and at night. So most people will buy a batter bank to store solar energy in case of cloudy or rainy day. Generally, people have two ways to access electricity, through solar energy and electric energy transferred from solar energy. The deadly shortage of this system is that it can’t work without sunshine for a long time as the amount of storage electricity are limited.
In on-grid solar energy system, you have two ways to ensure the electricity supply. When cloudy days the solar system is not producing any electricity or not producing enough electricity to power the devices, you can pull energy from the utility grid to supplement it. This ensures you almost have enough electricity for what you need unless the utility grid supply break off and at the same time without sunshine.
In short, compared with the off-grid solar energy system, on-grid solar energy system performs better in providing electricity uninterruptedly.
As we mentioned above, off-grid solar system usually equipped with an battery bank to store electricity, but the capacity of storing electric energy depends on the the size of your batter bank. People installing on-grid solar system also benefits from their excess production as the excess solar energy could be sent to the grid and they will be compensated in turn.
Power outage has nothing to do with off-grid solar system as it works independently from the power grid while on-grid solar system will be affected by the power cut because solar system requires the electricity to keep working.
And this is a disadvantage of on-grid systems over off-grid systems, if you hate this condition, adding batteries to your grid-tied system would be a good choice to prevent this.
Smart On-Grid Inverter
Some manufacturers launched smart on-grid inverter in recent years. Everyone may be confused that how much smart it is. Smart on-grid inverter refers to an ordinary inverter combined with Bluetooth, so it allows you to control your solar energy system remotely on your phone.
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