Australia installed more than 460,000 home batteries in a single year.
The federal battery rebate did exactly what it was designed to do – it created a boom. What it also created is a wave of work that nobody was checking closely enough.
This year the Clean Energy Regulator’s inspection results made the news, and the numbers are hard to ignore. Of the battery systems inspected so far, more than 6 in 10 were rated substandard, and around 1 in 100 were unsafe.
Almost none of it is the battery’s fault. The problems are in the installation.
Most of it is labelling – missing or incorrect warning labels at the switchboard, back-up circuits that stay live after shutdown but aren’t marked, missing emergency-services labels that tell a firefighter there is stored energy on site. Then incorrectly configured RCDs, and not enough overcurrent or fire protection.
The unsafe ones are worse: loose connections in pre-assembled battery systems already showing signs of heat, wiring that doesn’t meet standard, broken neutral continuity on backup circuits.
The sample is still small – under 1% of installs – so the exact percentage will move. But if the trend holds across 460,000 systems, that points to thousands of unsafe installs and well over a hundred thousand non-compliant ones sitting on people’s walls right now.
None of this is surprising when you understand the pressure. A rebate rush plus a tapering incentive equals speed. Speed on an electrical install is where labels get skipped and terminations don’t get checked twice.
The regulator’s answer is more photos and more inspections, and installers are already being suspended. Good. But the real fix happens before the inspector ever shows up.
More on that, and on the one state already doing it, next.
If you have battery work coming up and you want it done to the standard rather than to the clock, get in touch.
Source: Clean Energy Regulator, Solar battery inspection results report.