Issues with electrical wiring when retrofitting a battery energy storage system

Most people that are looking at installing an energy storage system (battery and battery inverter) don’t realise that every installation is different and there is no one size fits all. Installations are very dependent on whether there is already solar PV in place and the current electrical wiring situation at the premises.

When you decide to connect a battery energy storage system to your already installed solar panels there are things that need to be considered that may not become apparent until the actual installation is to take place. These may make installing the battery system much more difficult, costly and time consuming but actually has nothing to do with the actual battery system itself.

When a house is built an electrician will have wired the house and hopefully the wiring meets current electrical standards at the time. However, electrical standards change over time and older houses may not have electrical wiring that meets current standards. Also, particularly with older houses wiring may become damaged or wear out over time.

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Energy Storage Growth Predictions

Photovoltaic (PV) electricity generation’s biggest weakness up until now has been its inability to supply power at the times it is most needed.Energy Storage-Growth


This can be addressed with the installation of battery systems that allow households and businesses to store renewable energy for use in peak periods.

The use of both photovoltaics and wind energy is increasing but it is the intermittent supply of both these sources of energy production that will drive the take up of battery storage.

As the price of electricity increases and the price of batteries decrease the use of batteries will become a better financial option for many people, particularly those that recognise the benefits to storing current electricity supply options and reducing the strain on the coal powered electricity generation supply at peak usage times.

However, although many people are saying they will wait until the price of batteries has come down, similar to the massive decrease in solar panels, there have been a number of studies done that prove that this will actually cost you money. When you work out the amount of money you will save on electricity costs over the next few years this will, in fact, be more than the expected decrease in the price of batteries.

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