How much do solar batteries cost?

How much do solar batteries cost?

The cost of solar batteries can vary depending on the size, brand, and type of battery. In general, residential solar batteries can range from $5,000 to $15,000 for a 5 kWh system and from $7,000 to $20,000 for a 10 kWh system.

Commercial solar batteries tend to be larger and can range from $10,000 to $30,000 for a 10 kWh system and from $20,000 to $50,000 for a 20 kWh system.

The exact cost of solar batteries in different states in Australia can also vary due to factors such as local government incentives and installation costs. Here are some approximate costs for a 5 kWh and 10 kWh system in each state:

  1. New South Wales: $5,000 - $15,000 (Residential)
  2. Victoria: $6,000 - $16,000 (Residential)
  3. Queensland: $4,000 - $14,000 (Residential)
  4. Western Australia: $5,000 - $15,000 (Residential)
  5. South Australia: $4,000 - $14,000 (Residential)
  6. Tasmania: $6,000 - $16,000 (Residential)
  7. Australian Capital Territory: $6,000 - $16,000 (Residential)
  8. Northern Territory: $5,000 - $15,000 (Residential)

Commercial solar batteries may cost more in some states due to larger system sizes and additional installation costs. It is best to consult with a local solar installer for more accurate pricing information.

The usual area for installation of solar batteries is typically in a garage or basement, near the solar panels, and connected to the main electrical panel of the house or building.

Here is an example of the cost calculation for a 5 kWh solar battery system:

  1. Determine the cost per kilowatt hour (kWh) of the battery: If the battery costs $10,000 and has a capacity of 5 kWh, then the cost per kWh is $10,000/5 kWh = $2,000 per kWh.
  1. Add installation costs: Installation costs can vary but a rough estimate is around $2,000. So the total cost of the system would be $10,000 + $2,000 = $12,000.
  1. Calculate the cost per watt hour (Wh): A kWh is equivalent to 1,000 Wh. So the cost per kWh is $2,000/1,000 = $2 per Wh. 
  1. Calculate the total cost based on the usual area of installation: If the usual area for installation is a garage or basement, the average size is around 200 square feet. Assuming a cost of $10 per square foot for the additional space needed for installation, the total additional cost would be $10 x 200 sq ft = $2,000.
  1. Final cost: Adding the cost of the battery ($12,000) and installation ($2,000) plus the additional space cost ($2,000), the total cost of a 5 kWh solar battery system would be around $16,000.

The same process can be applied for different battery sizes to determine the total cost. 

How to find a solar battery storage system right for my home?

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