Your results
These are the options that will mostly impact your savings. Change these options to better suit your needs.
Lifetime battery savings$0,000
Solar battery cost $00 
Return on investment 0.0%
Assumed Warranty $00
Trees
planted 00,000
Cars
off the road (one year) 00
Offset carbon footprint (people in one year) 0.0
Solar powered00
Fed back into grid0.0
Daily solar production 00,000
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- $25114 Demo
Disclaimer
This solar battery calculator is indicative only. It is provided to give an estimate only and general guide of the potential savings, costs and benefits of installing a solar battery. You can read the full calculator disclaimer here.
How it works?
If you don't know the answer, use the default input. The calculator displays financial, emissions and electricity bill comparison results for existing solar panel owners considering adding a battery.
What we’ll ask from you:
- What’s your postcode?
- What is your household electricity usage?
- What size is your existing system?
- When do you use your electricity?
- What size battery do you want to install?
- What is the pitch of your roof?
- Which direction does your roof face?
- Do you want to finance your purchase?
- Do you want to see the advanced options?
Variables affecting solar storage
Solar storage is potentially a great option for existing solar panel owners. The financial viability of the battery will depend on your individual circumstances, for example: the size and generation capacity of your current solar system, the amount of electricity you use and your usage habits during daylight hours.
The Australian population uses more electricity during the peak morning and evening periods. Depending on the season, your solar system is not likely to be producing energy during these periods. So you have to purchase it from the grid.
The economics behind solar storage
At the heart of the solar storage equation is what happens with the excess solar energy you produce during daylight hours. For solar panel owners that do not have a storage solution, any excess power is fed straight back into the grid, where your retailer will pay you a financial credit per kWh. Then at night when you need to purchase power from the grid, your retailer will then sell it back to you at a higher rate; the greater the difference between these two rates the more viable buying a battery is. However, in recent years, higher feed-in tariffs means that adding a battery isn’t as attractive as it once was.
However, in recent years, the disparity between the buy back rate and the cost of electricity has remained stable, despite rising electricity costs; meaning that solar batteries are only economically viable in some cases.
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