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How is Solar Energy Stored

Views: 0     Author: Bonnie     Publish Time: 2022-02-23      Origin: internet

How is Solar Energy Stored

On cloudy days or at night, the amount of energy your system receives is reduced or eliminated altogether. This in turn impacts the amount of electricity or heat that your system produces during those times.

To overcome this drawback, homeowners can take advantage of several methods available to them for storing solar energy. The methods available differ depending on whether you are using solar electricity  applications or solar heating  applications.


Solar Electricity Storage

Homeowners are able to generate solar electricity by using a photovoltaic solar power  system. There are two primary methods of Energy Storage  with a PV solar power system...

Battery Banks

Grid Inter-Tie

One way solar power storage can be accomplished is by using a battery bank to store the electricity generated by the PV solar power system. A battery solar power storage system is used in a grid-tied PV system with battery backup  and stand-alone PV systems .


The major components of a battery solar power system are...

Charge Controller: Prevents the battery bank from overcharging by interrupting the flow of electricity from the PV panels when the battery bank is full.

Battery Bank: A group of batteries wired together. The batteries are similar to car batteries, but designed specifically to endure the type of charging and discharging they'll need to handle in a solar power system.

System Meter: Measures and displays your solar PV systems performance and status.

Main DC Disconnect: A DC rated breaker between the batteries and the inverter. Allows the inverter to be quickly disconnected from the battery bank for service.

The third type of PV solar power system is a grid-tied PV system . This system can actually use the grid as its solar energy storage system. This is done using net-metering .

With net-metering, when you produce excess solar electricity, you send it to the grid and your electric meter rolls backwards. Later on, at night for example, when your system is not producing electricity, you can pull electricity from the grid and your electric meter will roll forward. You are essentially using the grid to store your solar electricity!

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