9.1kW Solar System installed by Sun People

“I’m told by my wife we’re predominately in credit for our excess energy on top of the reduction in our bills, that’s with running the aircon and pool heating. It’s great we get 3 more months out of the year to use the pool.”

Cameron MacDonald from NSW

Installed Solar System Roof

Cameron says him and his family (wife and two children) are more than happy with the savings they’ve made since installing their 9.1kW in November 2018.

“I’m told by my wife we’re predominately in credit for our excess energy on top of the reduction in our bills, that’s with running the aircon and pool heating. It’s great we get 3 more months out of the year to use the pool.”

Cameron selected Sun People after receiving quotes from different solar providers through Solar Market.

“Solar Market had prompt service and we received lots of phone calls. We did not have to chase contractor quotes.”

Sun People offered Cameron a home visit so they could provide an accurate quote and were very helpful throughout the whole process.

“We chose the middle price range option with Sun People, but it was high quality. The installation had a quick turn around and the diagnostic team were helpful when I had queries”

  Read more case studies

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Understanding Batteries

Off-Grid Systems

For some households a battery system can be of great benefit and minimise a home’s reliance on the grid. However, it’s important to understand for a battery to be useful your solar system needs to be generating excess energy for the battery to store, which you can then use at night or when the sun is not out.

When selecting a battery, you’ll want to invest in a system that is most suited to your home and can drive the best return on investment (ROI). Despite a larger upfront cost, a higher quality battery may significantly increase your ROI.

    Battery systems start from $6,000 and costs can vary greatly based on the following factors:

  1. Cycle Life-Time

    The number of times a battery can fully charge and discharge.

  2. Battery Power (kW)

    How fast it can be charged or discharged.

  3. Storage Capacity (kWh)

    The maximum amount of energy a battery system can store.

  4. Battery Management System (BMS)

    An electronic ‘smart’ system that gathers data and manages the battery ensuring it does not overload or operate outside of its safe functioning zone..

  5. Inverter

    Battery systems require their own inverter if your solar system does not have a hybrid inverter.

  6. 'All-In-One Unit’

    A system which includes the battery, BMS and an inverter all in one unit.

  7. Warranty

    Length of time or cycles the battery system is under guarantee.

  8. Blackout Protection/Backup

    It’s important to note this is not a common feature of a battery system and could cost thousands of dollars to include. Blackout protection not only requires additional components but also a specialised installation and rewiring. For grid-connected homes, the cost for blackout protection can outweigh the benefit.

Additionally, if your purpose for adding battery is to go Off-Grid and become completely independent from the grid you will need to ensure your solar system can generate enough energy to power your home and your battery system is large enough to store this energy. For homes in metro areas going Off-grid is not cost effective and is only recommended for those in remote areas with limited access to the grid. Off-grid solar systems with battery start at approximately $30,000.