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Solar batteries have become increasingly popular as a way for homeowners to decrease their reliance on the electrical grid and save money on their energy bills. These batteries work by storing excess energy generated by solar panels during peak production times for use later when demand is higher.

Home batteries can provide backup power during power outages and can offer greater control over home energy management. Home batteries can allow homeowners to reduce their carbon footprint and improve their energy independence. Additionally, some home batteries are designed to provide services to the electrical grid, such as levelling out demand during peak usage times.

Whilst home batteries are expensive, over time they will pay for themselves; unlike almost everything else you buy for your home.

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What are Solar Batteries

A solar battery is a rechargeable battery system that generally stores excess energy generated from solar panels and can power your home after dark, typically when peak electricity rates are being charged.

Depending on the specific installation they can potentially also provide a level of resilience at times of grid outage.

Most solar batteries have a lifespan of 10 years or more, depending on usage and maintenance. The lifespan of batteries is rapidly expanding due to increasing efficiencies of newer systems.

How Solar Batteries Work

Solar batteries work by storing excess electricity generated from renewable energy sources, most commonly solar panels. This excess electricity is stored in the battery during times of low usage, such as during the day when people are at work or in the evening when they are asleep.

The battery then releases this stored energy during times of high usage, such as during peak evening hours when the demand for electricity is high. This helps to reduce the amount of electricity that needs to be drawn from the grid, and can ultimately result in lower energy bills.

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The battery system includes an inverter, which converts the DC electricity stored in the battery into AC electricity that can be used by the home’s electrical system. Some home batteries also have smart features that allow them to communicate with other devices in the home, such as smart thermostats or intelligent lighting systems, to optimise energy usage and reduce waste.

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The Benefits of Solar Batteries

A solar battery allows you to:

  • Use more of the energy you generate from your solar panels
  • Allows you to use your own energy generated from your solar panels at night
  • Run your reverse cycle air conditioner at night (for winter heating) to reduce your dependency on gas heating. Eventually this can allow you to get off gas altogether and reduce the number of energy bills you are paying
  • Use energy you have generated from your solar panels earlier when there is heavy cloud or rain
  • Save money on electricity bills
  • Use your battery for backup power during outages (installation specific)
  • Reduce your current carbon footprint
  • Utilise electricity from a clean source

Testimonials

“Batteries have allowed me to use my power into the night without any cost.”

Barney

“Batteries have allowed me to use my reverse cycle air conditioner at night to minimise my use of gas heating.”

Rosie

“Our solar battery has meant that I don’t need to leave the house to work somewhere else every time our energy company does line maintenance. They do a LOT of line maintenance where I live.”

Lyn

FAQs

How much does it cost to install solar batteries?

The cost of installing a solar battery varies depending on several factors, including your electricity needs, future plans, budget, the size of the system, the type of system and your location. The cost of a home battery system varies depending on the size, brand, and features. On average, a home battery system can cost anywhere between $5,000 to $15,000.

Who can benefit from solar batteries?
Any homeowner with a solar panel system can benefit from solar batteries. They are especially useful for those who live in areas with high electricity prices or frequent power outages, those who want to use their solar panels as their primary source of energy and those who work from home who can actively manage their energy loads.
How much storage capacity do solar batteries offer?

The storage capacity of solar batteries varies depending on the model and brand, ranging from a few kilowatt-hours to tens of kilowatt-hours. Consider your  energy usage patterns when selecting your battery capacity and take advice from professionals in the industry.

Can I install home batteries myself?
No, this is a highly regulated field. Only clean energy-accredited installers should be installing home batteries.
How do I maintain my solar battery?
Solar batteries require minimal maintenance, but it is recommended to follow the manufacturer’s instructions for maintaining the battery to ensure its optimal performance and longevity.
Can I use solar batteries during a power outage?
Yes, provided that your installation has been designed for that. You can have power during a blackout. Be mindful how long you think your power will be out and what appliances need to be run during that time.
Can a solar battery reduce carbon emissions?

Yes, a solar battery system can reduce carbon emissions by storing energy generated from renewable energy sources like solar & wind power, reducing reliance on fossil fuels.

How long does it take to install a solar battery?

The installation process of a solar battery typically takes a few days, depending on the complexity of the system and your home’s electrical setup.

Next steps:

There are government rebates and incentives available depending on the state you live in (Click here to read more). Be careful to choose a reliable, knowledgeable and professional installation company who will still be in business to support any warranty claims.

There are two ways to arrange for sizing and installation of solar panels in your home:

  • Get quotes from reputable businesses
  • Buy from a community group/bulk buy program where the installation company and the equipment have been thoroughly vetted by knowledgeable experts.
    One such community group buy scheme is Go Renewable Energy Group Buy Project (visit their website here).