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Investing in solar energy is a big deal for many Aussie homeowners. We all do love the idea of cutting down those electricity bills. But here’s something most people overlook: even the most expensive, high-tech solar system can turn into a headache if it’s not installed correctly. A poor installation job can cause inefficiencies, create safety hazards, and lead to a whole range of financial losses. So, what’s the real cost of a dodgy installation, and how can you avoid it?

Why Installation Quality Matters

Let’s say you’ve got yourself a top-notch solar system with all the bells and whistles. If it’s not installed properly, you might not see the returns you’re expecting. Imagine you were supposed to save around $1,200 a year on your energy bills, but because the panels weren’t positioned at the right angle, you’re only saving $900. That’s $300 out of your pocket each year due to something that could’ve been avoided!

And then there’s the cost of repairs. If water starts seeping in because the panels weren’t sealed properly, you’re looking at repair costs that can go up to thousands of dollars. And if the installer didn’t follow local regulations, you might even lose out on government rebates, which could set you back even more​

Safety is another big issue with poor installations. Solar systems have complex wiring, and if it’s not done correctly, it can lead to electrical fires or even electrocution. The last thing you want is to endanger your home or the people in it. In some extreme weather conditions, poorly installed panels can come loose and cause damage to property or even harm someone nearby​

Here’s a kicker: if your solar system isn’t installed as per the manufacturer’s guidelines, you can kiss your warranty goodbye. Most warranties only cover installations done by accredited professionals, and a poorly installed system might not qualify. If something breaks down, you’re left footing the bill because your warranty is void​

Not only that, but your insurance might not cover damages caused by a poorly installed system either. So, if a loose panel damages your roof during a storm, you might end up paying for those repairs out of pocket​

You’re probably looking forward to getting 25-30 years out of your solar panels, right? Well, if they’re not installed properly, that lifespan can be cut down dramatically. Loose mounting, poor wiring, or misalignment can lead to faster degradation, meaning you’ll have to replace parts much sooner than expected.

We all love a good rebate, especially when it comes to solar installations. But if your system doesn’t meet the required standards because of a poor installation, you may not qualify for these incentives. In New South Wales, for example, you need a licensed professional to handle the installation, and it must comply with the Electricity Supply Act 1995​

How to Avoid the Costs of a Subpar Installation

Choose an Accredited Installer: Don’t just go for the cheapest option. Make sure your installer is accredited by the Clean Energy Council and has good reviews. It’s worth spending a bit more on quality rather than cutting corners now and paying for it later

Check for Compliance with Local Regulations: Different states have different rules. For instance, NSW has its own set of requirements, and the last thing you want is to find out your installation doesn’t comply, making you lose out on government incentives.

Request Documentation: Make sure your installer provides you with a Certificate of Compliance for Electrical Work (CCEW). This shows that everything’s been done according to standard, which is crucial if you need to make a warranty claim down the line​

Inspect the Work: While you may not know everything about solar installations, there are a few basic things to look out for. Are the panels secure? Is the wiring neat and tidy? Don’t be afraid to ask questions or get a second opinion from an independent inspector.

Conclusion: Quality Installation Equals Long-Term Value

Solar is a great investment for your home, but it’s only worth it if it’s installed right. Spending a bit more on a reputable installer might feel like a pinch now, but it’s going to save you a lot of headaches (and money!) down the track. Poor installations can lead to inefficiencies, increased costs, and safety hazards—none of which are worth risking.

So, next time you’re shopping around for a solar system, don’t just focus on the technology. Focus on who’s going to put it up on your roof. A high-quality installation means you’ll get the best out of your system for years to come, making the whole investment truly valuable.

With a little extra diligence and the right installer, you can be sure your solar system will deliver on its promise: clean, reliable energy and excellent returns for years to come​