What Size Battery Do You Need For Your Solar PV System?

Solar Batteries are becoming more popular with homeowners who have had solar panels installed as it enables them to make the most out of the solar energy being produced by their PV system.

If you are looking at investing in a solar battery there are a few things you need to think about. The first decision you need to make is the size of the battery you need to get. There are a number of points that you will need to take into consideration when choosing the size of your battery. These are:

Why Would you Want A Battery

The main reasons why homeowners invest in a solar battery is:

If you are looking mainly to reduce your dependence on the grid you will need to look at getting a big battery. Whereas if you are just looking for backup power in case of emergencies, then you will only need a small battery.

If you want to store energy to fulfil your solar energy consumption when the sun isn’t out during the night, cloudy days or peak demand times which is when electricity prices are more expensive. Then it’s really a matter of how much usage you want to cover. If you’re looking to save money on your electricity bills, then you should still expect to be paying for electricity from the grid.

What Is Your Budget?

The main element for most people when it comes to buying a solar battery is the cost. The cost in recent times has started to reduce. Solar batteries for residential projects currently sell for around £1000 per kWh but this also includes the installment.

If you’re looking for a return on investment, many battery systems are approaching the break even point when it comes to their warranties life, but few are currently paying for themselves in energy cost savings.

The return on investment is not there just yet, but solar batteries can bring benefits in other ways, such as not worrying about having no power during a power cut, not being as reliant on the grid, and reducing your carbon footprint.

What Battery Suits Your PV System

You need to take the size of your PV system into account when choosing the size of your battery. The steps to determine the size of your battery can vary depending on whether you are looking at adding a battery to an existing PV system or a whole new one.

If your existing system only produces enough solar energy to hit a small part of your energy needs, it is not worth buying a battery. If you’re consuming the vast majority of your solar energy, there won’t be much power left over to store in your solar battery storage. So it might be worth expanding your PV system if you have the roof space available.

You can get in contact with us on 0344 567 9032 if you need any help with finding out what battery is most suitable for you. If you are interested in installing a solar PV system and a battery this is something that we can help you out with.

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