Replacing vs. Upgrading Your Solar Panels⚡Australia 2024 (2024)


So, you made the jump to solar a while ago, and you’re looking at your system and deciding whether itis time to replace your solar system for something newer. How do you know when it is time to replace your solar panels and inverter? Shouldyou replace your system or upgrade it?

Over the 10+ years your solar panels may have been on your roof, they havebeen there in rain, hail, or shine and continued to produceenergy over time. Here are a few ways to know if it’s time to replace or upgrade your solar system.

Solar Panel Efficiency Degradation

Solar panels typically have warranties from 20-25 years, but over time theylose their efficiencywhich reduces your return-on-investment as time continues.
Each year that passes, a solar panel can lose around 0.5-1% efficiency (depending on the age), and older panels can lose the majority oftheir output capability. (Good-quality, modern solar panels can retain up to 90% of their efficiency over the course of their lifetimewith approximately 0.5% reductions each year).

Replacing vs. Upgrading Your Solar Panels⚡Australia 2024 (1)

Check your Solar Analytics

Depending on when your solar system was installed, you may have access to some sort of solar analytics to see insightful analytics ofyoursystems’ overall performance. This would be a good way to visualise the production trends your solar system is heading in, whetherit is a stable decline, or a dramatic one.

You can keep an eye on your energy performance and if you'reunsatisfied with the system’s output, it can be an indication toupgrade your system, or replace itentirely.

How to know when it'sTime to Upgrade your solar panels?

If you have had your system for years on end, there will be a chance that your solar panels have been damaged in some way. The lastgeneration of solarpanels are more prone to damage as they lack the modern protection technology that new panels have.
Newer and some older solar panels are designed to withstand decades of abuse but suffer invarious types of weather, and other variouselements such as wind, humidity, UV, or thermal stress.

Thermal Stress

Thermal cycling amongst others is a common form of deterioration, especially in Australia’s summer exposing the panels to harshsunlight. The heat forces the panels’ metal components to expand and contract as everyday goes past, and over a decade it can really addup.

High-Wind

With high wind, the dynamic mechanical load capacity can force the panels to warp and bulge in the middle.
Trina conducted a test of their 530 W and670 W panels here.

UV Radiation

UV Radiation can cause damage to the passivation layers over time, with maximumdegradation rates of 0.12% - 0.73% per year.

Humidity

Humidity is closely joined to thermal cycling where older panels expand, allowing moisture to get inside the panels where it can causemetal corrosion, delamination, and increased overall degradation.

Okay so we’ve identified if your system needs upgrading, but what do you do now? How do we fix it?

Do you Add to your Solar System Instead?

You’ve had a look at your solar system analytics, and from what you can see there isn’t a huge decrease in system performance, but you’rewanting to recoup the reduced performance and get it back to where it used to be.

You can considerextending your existing solar system by adding more panels. It’s a simple strategy, but it would allow you to generateclose to your existing system’s original output and wouldn’t cost you as much to replace the entire system.

However, there might be some system compatibility issues in combining modern with older technology. We visit quite a lot of propertieswith older systems where some panel and inverter brands have been liquidated and no longer exist. Investing in newer, more reputablecompanies will ensure proper honoured warranty and long-lasting quality.

Your Panels May Just Need a Clean

If your panels aren’t that old but you see a significant decline in performance, this could possibly be because your system hasn’t beencleaned. We recommend cleaning your solar panelsonce every 6-months to ensure your system is as productive as possible. We made a full guide on how to clean your solar panels here.

If you’re still unsure on what your next step should be, don’t over-think it! We provide solar healthcheckups and free consultation on how you can get the most of your system and property.

Expand Solar Systemvs.Battery Energy Storage

The good news is that you definitely have options. We genuinely would like to help in finding the best solution for you, your budget, andyour property. If you’d like to have a chat, we provide completely free consultation on finding the optimal energy solutions.

Below are some options simplified into 4 categories. We created an article around this that you can readhere.

Full Replacement

You could also completely replace your entire solar system by replacing your solar panels,mounting, and inverter for a top-of-the-line system that will last another 25-30 years.

Upgrade

The cheapest way to upgrade your system would be to add more solar panels. Dependingon your systems’ size, you could add a few more panels to increase your overall production.

Add a Battery

Add a solar battery to store excess solar power throughout the day. Whether your solarsystem is at its original installation capacity or an older system, depending on your consumption you may still be producing more thanyou’re using.

Join Amber

In addition to adding a battery, you can not just save money with your battery, but earn it.We recommend looking at Amber and how they can make your battery into a money-making-machine.

Get an Experts' Opinion on Solar & Battery Investments

If you've read all of this and are still unsure on if your solar panels need replacing, send us a message, and we can walk you through on ifit is time and how to proceed. We won't try to sell you something you don't need. Let's chat.

Every property will have its own features and history and depending on when the solar panels were installed,it is important to check the panelsa couple of times a year to ensure your system is running to maximum capacity.

If you feel your solar system isn't old enough to replace but needs a professional totake a look, we provide solar health checks which involves a member of our team coming out to analyse your solar system and ensure it isrunning correctly.

Frequently Asked Questions

Can you add battery storage to your older solar system?

Yes, it is possible to retrofit a new solar battery to your existing solar system. It will really depend on your system componentcompatibility. We recommend getting in contact to see if this is possible.

How long do solar panels last before needing to be replaced?

Solar panel manufacturers can have warranties from anywhere from 20-30 years. Every system will have a certain level of expected degradationwhich will be accounted for in your warranty information.

How often do solar panels need to be replaced?

There is no specific answer as every system is different, consisting of various components from different companies, with differentwarranties. Rule-of-thumb is approximately 25 years, but this can vary.

We recommend to analysing your solar system regularly, especially as the older it gets, to ensure your system is producing what is expected,or if it is under-performing. We provide free energy assessments.

How much does it cost to replace solar panels?

The price on replacing your solar system will depend on a variety of factors such as, system size, location, budget, and energyrequirements. Our installers are experts in removing old systems and installing fresh solar systems for all properties across Newcastle andthe Hunter, and we provide FREE quotes.

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"Great customer service and communication. All explanations were easy to understand and very efficient in the installation. Highlyrecommend."

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JohnCustomer

"It was efficiently installed and works great, very happy with it."

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PeterCustomer

"Elite installed our solar recently and done an excellent job. Smooth transaction from start to finish. Would highly recommend."

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Ursh & MikeCustomer

"Excellent and professional service from the whole team. Would recommend to all!"

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NestorCustomer


"We are very happy with our experience with Elite Power Group for the installation of a new home battery. Elite’s team respondedvery quickly to our initial enquiry and installed our battery when planned. Thank you for great service."

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GerardCustomer


"We recently had our solar system replaced and upgraded to an 11.44 kW system with battery and off grid capabilities. BetweenJared and Scott (director) they were extremely professional and efficient with their knowledge and service..."

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MelanieCustomer


"No sales pitch or pressure tactics at all. Easy to deal with and very responsive. Installed my Tesla Powerwall when they saidthey would. Way ahead of the 3 other solar battery suppliers I previously dealt with."

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PaulCustomer


"I couldn't recommend these guys more, just finished up an additional solar and battery install, and everyone from initial day 1inquiry on has been a pleasure to deal with."

Replacing vs. Upgrading Your Solar Panels⚡Australia 2024 (16)

ChadCustomer


"The team at Elite Power Group were fantastic. The job to put 31 panels on our roof with terracotta roof tiles was technicalwhere a lot of roofing and other solar companies would not even touch.."

Replacing vs. Upgrading Your Solar Panels⚡Australia 2024 (17)

TroyCustomer

Replacing vs. Upgrading Your Solar Panels⚡Australia 2024 (2024)
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