Is it worth investing in a battery for your rooftop solar? Here’s what buyers need to know (but often can’t find out)

Thu, 21 Sep 2023 20:03:52 +1000

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/is-it-worth-investing-in-a-battery-for-your-rooftop-solar-heres-what-buyers-need-to-know-but-often-cant-find-out-209219>

"Recent electricity price increases of 20–30% have hit households hard. Some
are installing rooftop solar systems and batteries to reduce or even end their
reliance on energy providers.

However, Australia’s uptake of household batteries lags well behind rooftop
solar installations. The high upfront cost of batteries is a key reason.

A household battery stores excess electricity generated by your solar power
system. You can use it later when solar generation can’t meet your needs – for
example, at night or on cloudy days. This reduces the amount of power you buy
from the grid.

But how long will the battery take to pay for itself, in the form of lower
power bills? The answer varies. It depends, among other things, on where you
live, your solar system size and design, how much electricity you use and at
what times, network tariffs, and limits on how much surplus electricity you can
feed into the grid.

Our current research project has found cases in which a solar panel and battery
system will save you money in Western Australia. But the situation varies
across Australia. Here, we take a look at what to consider before you buy."

Via Muse.

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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