this post was submitted on 18 Apr 2026
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More than 60% of home battery installations inspected in Australia are ‘substandard’ (theconversation.com)
submitted 6 hours ago by arbilp3@aussie.zone to c/australia@aussie.zone
5 comments fedilink hide all child comments
 

More than 60% of battery system installation work inspected under a federal government green energy program is substandard and 1.2% unsafe, according to a recent report by the Clean Energy Regulator.

The Cheaper Home Batteries Program has proved hugely popular. More than a quarter of a million small-scale battery systems have now been installed under it. This equates to 7.7 gigawatt hours of installed storage capacity.

Minister for Climate Change and Energy, Chris Bowen, says this “means less pressure at peak times, more reliability, and a cleaner, more affordable energy system”.

But the installation compliance and safety problems highlighted by the regulator’s report risk not only battery storage growth and the credibility of the scheme, but also public safety.

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[–] ikidd@lemmy.world 2 points 5 hours ago* (last edited 5 hours ago) (3 children)

48V is low voltage in every jurisdiction, isn't high enough for dry skin conduction, and 99% of these installations will run on that. The need to run every inch in conduit is goofy. This is less about safety and more about code that exists to increase costs.

I can see running the solar input in conduit, perhaps, but then we might be talking 500V in order to use smaller gauge wire.

[–] Taleya@aussie.zone 1 points 11 minutes ago

It's not the voltage, it's the amperage. And we're talking DC here, not AC.

[–] dgriffith@aussie.zone 3 points 4 hours ago (1 children)

need to run every inch in conduit is goofy.

It's to limit the risk of mechanical damage. As an auto electrician, no way would I accept runs of unprotected battery cables (that is, only with their PVC insulation) in a fixed install. Too much shit can go wrong over the 10 year lifespan of these setups.

On a big battery system you need 150+ amps of fault current before the DC breakers even think about tripping. At 48 volts that's burn-your-garage-down territory if you get a nail or a shovel edge or a rat nibble across your cables that "only" pulls a hundred amps.

[–] ikidd@lemmy.world 1 points 51 minutes ago* (last edited 50 minutes ago)

Agreed, but battery runs should be super short. Nobody wants to waste money running 5m of 2/0 for no good reason. And these aren't out in the open where the kids are playing with it (at least, I'd hope so). It's going to be strapped up for the inverter run.

[–] Securus777@lemmy.world 2 points 4 hours ago

Agreed to the extent of short runs. All my pv lines are in conduit outside for protection kike most probably are and should be. My bat runs are short so no conduit. Longer runs that leave it exposed more should have the extra protection.