Solar Battery Storage

    Solar battery storage systems from Cymru Solar. Battery storage is key to the future of solar PV and as always, we are here to help.

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    Solar battery storage benefits

    • Environmental : energy generated using photovoltaic technology creates less pollution than fossil fuels during their comparative lifetime uses.
    • Power when you need it : make sure the energy they generate is the energy they use. A battery will store energy the PV system generates throughout the day, for use when they get home from work or once the sun’s gone down.
    • Energy security : ensures they still have access to electricity even if the grid is down.
    • Lower energy bills : timely use of PV generate energy means homes will be drawing less electricity from the grid, protecting them from rising energy prices.
    • Visibility : energy consumption monitoring allows end users to see where and how much they could save.
    • Future proofing : as we start to see the introduction of electric vehicles, future proof your home to ensure its ready to cope with new technologies.

    How does solar battery storage work?

    storing energy

    how to store electricity

    Batteries, like those in a flashlight or cell phone, can also be used to store energy on a large scale.

    During the day though, your solar panels are likely to generate more power than you are able to use at that time. If you don’t have a battery storage system or your battery is full then you will be sending your electricity back to the national grid. Rather than give that excess electricity back to the grid, it makes sense to use it to heat your home or hot water.

    Types of Storage System

    DC Coupled

    Battery StorageDC coupled storage is connected to the DC side of a PV system, directly between the PV modules and the inverter’s DC input. These types of systems monitor energy levels within the household and will use any surplus energy to recharge the batteries during the day and discharge them during periods when energy consumption levels are higher than energy production levels.

    AC Coupled

    AC battery storageAn AC coupled storage system still requires a DC battery, but this battery is located on the AC side of the property. In this set-up a battery will be connected to an AC coupled inverter, which acts in reverse of a normal PV inverter, converting AC to DC so that it can be stored by the battery. AC energy can be supplied from the grid or from an existing PV inverter on the property, depending on what mode of operation the system is running in.

    Hybrid inverters

    We have discussed DC and AC coupled storage and their respective advantages and
    disadvantages, but to summarise:
    Hybrid inverters combine many of the advantages offered by AC and DC coupled storage to offer a solution that is both flexible and cost-effective.

    Battery storage systems work with all solar panels regardless of their make or models. If you have an existing Solar PV System it is probably feasible to bolt on an additional storage to it.

    Adding a solar battery to existing PV systems

    Battery storage systems work with all solar panels regardless of their make or models. If you have an existing Solar PV System it is probably feasible to bolt on an additional storage to it.

    DC and AC coupled storage

    Grid Storage Systems

    A unique and reliable system to store your solar energy for later use.

    OFF-Grid Storage Systems

    A unique and reliable system to store your solar energy for later use.

    Solar Energy Battery Storage Systems FAQ

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