Solar Battery Payback Periods

Adding battery storage to your solar power system is the next step for energy independence however the benefits of batteries are still secondary to the benefits of solar energy itself. For some households adding a battery system can be of great of benefit and minimise a home’s reliance on the grid or allow you to become 100% independent from the grid as part of a standalone (off-grid) system. For others, the payback period or return on investment can outweigh the benefits of installing battery to a solar PV system.

As technology advances batteries will continually decrease in price becoming a desirable and practical purchase for Australians wanting to maximise energy savings and further reduce their bills.

Prices can range from around $2,000 to $20,000 + depending on the size, brand and functionality of the battery system.

It’s important to note that whilst batteries are gradually coming down in price, adding a battery won’t necessarily benefit your current financial situation like a solar system will. Today’s prices (if your state does not offer subsidies or incentives for battery) could have you looking at an expected return on investment in 8-15 years.

Payback Period

While this will vary, the current estimated payback period for a typical residential battery is between 8-15+ years, lower if you’re eligible for Government incentives which can assist in the upfront costs of purchasing battery storage.

Hypothetical

If you were to install 5kWh of battery storage to your solar system with an estimated lifetime of 10 years (3,500 cycles) and made use of it each day you would be saving between $1 – $2 a day from not using energy from the grid, that’s roughly $365 – $730 per year although the capacity will slowly diminish over the 10-year lifespan of a battery.

Eventually, batteries will become as valuable of an investment as installing a solar power system, however, the fact is that the price of a battery can still outweigh the benefits and return on investment. Due to this, it’s understandable that households are holding off from battery storage until they become affordable to the average household.

But this does not mean you should hold off from installing a solar system.

While a solar power system without a battery will not make you 100% energy independent, it will reduce your power bills significantly and can give you a return on investment within 3-5 years. Read our blog to better understand the main benefits and reasons why you should consider installing a solar power system now as opposed to when batteries drop in price.

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