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Most home solar installations are grid-tied, meaning you maintain a physical connection to the utility that services your area. The purpose of staying connected to the utility is to take advantage of net metering and ensure that you maintain power when the sun isnʼt shining on your panels. A grid-tied residential solar system has three pieces of technology: solar panels, an inverter, and a utility meter.


1. Solar panels are the energy harvesters
2. The inverter makes the energy usable
3. The utility meter connects the system to the grid
4. An optional fourth component is a battery, which stores your solar energy at home instead of sending it to the grid. Batteries ensure that you stay powered up when the grid fails.

Net metering is an accounting system for energy which allows you to trade excess solar energy to your utility in exchange for credits you can use to buy energy from the utility later.

Net metering is important because it protects you from solar powerʼs inconsistencies. Solar power systems generally produce more power than you need during the day and not enough in the evenings and at night. Net metering allows you to maintain a continuous stream of electricity no matter whether the sun is currently shining or not.

If your roof meets engineering standards (meaning it was built to code and inspected and approved by the local building department), it should be strong enough to support a solar array. While a complete solar array is quite heavy, this weight is distributed evenly across a large area and the overall pressure it exerts is low– about 2 pounds per square foot. This pressure is easily supported by a roof. Most of our solar installations in Queensland are built to the strict building code of Australia – Queensland. In adition Solar panels are made from tempered glass and as such will resist hail stones on most occasions. In order to pass Australian standards, they must be able to withstand the direct impact of hail stones with a diameter of 35mm or approximately the size of a golf ball.

One of your goals with going solar is likely to make your home net-zero. This means that during an average month, your solar array will produce the same amount of energy that your home consumes. Your homeʼs monthly energy consumption can be found on the utility bill. This information is used to design a solar system that meets your homeʼs energy needs.

Understanding the maintenance that is needed with a major purchase of new equipment is crucial. We all know how much maintenance is involved with ow

Installing solar can greatly reduce your carbon footprint by providing carbon- free energy for your home. Once the array is installed, solar produces energy for years without any emissions or toxic byproducts. Since the sun will rise every day, solar is considered a renewable resource. The size of your environmental benefit depends on the carbon footprint of the energy source solar is replacing.

Purchasing solar for your home or commercial business is a major investment guaranteed to return due to energy savings. However, it is important to be sure that your system is always working correctly and conforming to expectations. Thatʼs one of the reasons why we exclusively install inverters and power optimizers from Sunlife Energy, which have industry-leading monitoring software. This software allows you to monitor the production of each individual panel in your solar array in fifteen-minute increments. If something ever goes wrong with a panel or the inverter, you can easily see the problem through the Sunlife Energy platform and alert us to have the problem resolved immediately. nership of a vehicle, air conditioning, and other significant assets. Luckily, the maintenance of rooftop solar in Queensland is virtually nonexistent. This is in large part due to the fact that the solar array is completely stationary. Nothing needs to be oiled and parts do not experience significant wear. The only maintenance typically required for a solar PV system is cleaning the panels. We recommend cleaning solar panels once a year to remove dust and pollen that has accumulated.

In most cases, this grid connection is beneficial for you because it means you can receive power from the grid at night or when the sun isnʼt shining. However, this connection also means your array will be offline when the grid is down and you will not maintain power unless you also have battery backup. Batteries allow you to safely retain power during a power outage because your excess energy from the day can be stored in the batteries for discharge at night.

Solar systems work best when the sun is shining. As the strength and angle of the sun varies throughout the day and seasons, so too does the strength of the sun’s radiation and this affects the amount of electricity your solar power system will generate. The highest solar generation during the day is usually from 11am to 4pm. Days are longer in summer and shorter in winter and correspondingly, the amount of electricity generated through the same solar power system, in the same location changes with the seasons. This means that some solar systems can generate twice the electricity in Summer, than in the short days of winter. The photovoltaic cells in solar panels must have sunlight to create electricity. … So At night time you can continue benefiting from their energy production after sunset through net metering and solar battery storage

Using solar power not only enables you to reduce how much you pay towards electricity bills — when you supply power to the grid you can expect to receive monetary benefits in return. Though not all schemes are equally lucrative and feed-in tariffs can vary from one local energy authority to the next. You can expect your electricity provider to pay around 20 cents per kWh, and while this might not seem like much it can add up to a significant sum over time.


Taking care of tasks that involve excessive use of electricity during the day is a good idea, because you can use your own solar power for free when the sun is shining bright. By doing this, you can save about 30 cents per kWh.


When opting for net metering, you should ensure that your meter runs on an interval system. This way the system can collect and send energy to the grid every 30 minutes, as opposed to at the end of the day — and can lead to more savings in the long run.

Thanks to net metering, batteries are not required for you to maintain power 24/7. However, if there is a grid outage, your inverter turns off and your home will lose power just like everyone else. This is called anti-islanding and it exists to protect downed power lines and utility workers from power surges coming from solar arrays. If you want to maintain power during a grid failure, batteries are required.

The amount of battery storage you need is based on your energy usage. Energy usage is measured in kilowatt hours over a period of time. For example:
1,000 watts x 10 hours per day = 10 kWh per day


After estimating daily usage we need to consider which type of battery will work best, as they have unique performance characteristics and are sized differently for each household.


The price of solar is usually measured in dollars per watt. The price depends on a variety of factors, including your roof type, the size of the array, and the orientation of the panels. The best way to understand the true cost of solar is by comparing it to the cost of energy from the utility. With a financed solar array, your monthly payment should always be equal or lower than the monthly bill you were paying to the utility. With a cash purchase, you should see a payback time of more or less 7 years. A final cost to consider is the environmental cost of solar compared to grid energy. In a previous FAQ we explain that solar in Florida can reduce your carbon footprint by 11,000 pounds per year, which is a significant environmental cost reduction compared to energy from the utility.

We offer two payment options: cash and financing. There is no “one size fits all” answer to which payment option is best. We will work with you to help you determine which is the best option for your situation. A cash purchase requires higher investment upfront but is cheaper in the long run because you will not have to pay any interest/fees. A financed system can be installed with $0 down and with monthly payments equal or lower than the electric bills they are replacing. However, due to interest, a financed system will cost more over the life of the loan.

Powerwalls can be financed along with the rest of your solar installation. If you already have solar, Powerwalls can be added as a retrofit and financed. Your contract’s cost will depend upon the details of your project.

If your system performs as expected, producing enough energy to meet your needs, your typical utility bill will be the utility’s interconnection fee, which is about $9 per month.

The payback time for going solar is dependent on a variety of factors, including the price of your system, how it was purchased, and the system’s performance. We seek to design our systems so a cash-purchased system will pay itself back in energy savings after around 7 years. A financed system will pay itself back on day one since the monthly loan payment is equal to or lower than the electric bill it is replacing.

We will work hard to ensure that you are aware of every cost you will encounter before committing to a solar project. These include the cost of the solar installation (outlined in our contract), financing costs (outlined in the financing agreement, if applicable) and net metering/insurance costs (if applicable). Rarely, circumstances are encountered during construction that require additional project scope. These unforeseen circumstances are usually due to existing code violations on the property. It’s our policy to require a signed authorization if the scope and price ever need to change.

The short answer is yes, it is possible for solar to cause your roof to leak. However, the solar industry has evolved over many years to develop best practices concerning waterproofing and sealing roof penetrations. Your best protection against roof leaks when going solar is to choose a reputable contractor with a track record of happy customers going back years. Most solar contractors, including us at Sunlife Energy, offer contractor’s warranties which will help ensure that we are liable for any leaks that occur due to poor workmanship. That means we will pay, not you, if your roof should start to leak due to poor workmanship


The System size will depend on many factors such as your electricity consumption, your minimum aim is to cover as much of your household consumption as reasonably possible for a typical day. Let’s (say) 30kWh on some days, but on most days it’s 20kWh, it might not be worth adding extra panels just to cover those few 30kWh days. You can ask for a free assessment and roof checking with our experts.

Actually, due to the high increase of solar demand, As part of the Small-scale Renewable Energy Scheme, the amount of STC’s solar system granted is decreased annually meaning that the solar rebate also decreases. This is the percentage of solar incentive. In the past this had helped over one million Aussies install solar power, making the technology more affordable. But due high demand every year the solar incentive percentage is getting lower. So, we always advice to get on board at the right time.

It is very simple, just click on get started and our team of professionals will take care of you and guide you trough all the process.

Unfortunately, the solar industry is crowded with fly-by-night contractors. It is critical to do due diligence and vet your contractor before signing the contract. You can make sure the solar company is legit by finding the licensing and ownership information requirements, such as CEC Approved Retailer Certificate. In adition, the designer and installer of your solar PV system must be accredited by the Clean Energy Council. Another good tip is to check reviews, past projects, examine Service and professionalism from the first call until the end of the project. You can check Sunlife’s documents in our blog download section. There you will find all our requirements It’s nice to trust, but important to verify – screening is a must and in Sunlife energy trust is one of our main core values.

As soon as we install you solar panels system, we will provide you access by login into your monitoring system from your app. So you will be able to check in real-time how your system is performing 24/7.

Most of the roofs are builded up following the strict building code of Australia. If your property passed all of this requirements you can go for solar. It is pretty weird when a roof needs to be fixed beforehand. For this reason we have a professional team of consultant engineers who will check all the safety requirements for you.

As part of our design process, we use industry-standard software to create a schematic of your solar array. We will know the precise location of each panel before installation and can share this plan with you. However, there are times when the configuration needs to be adjusted on the job and the homeowner will be notified if this is the case. 

Our amazing team of installers will take care of your system. Our difference with the rest is that we care and get your back giving you a 25 years warranty for your entire solar system

All Depends on the Necessities of your household. If you know that your power bill is going to increase for any reason could be that you are going to have more people living in the house, new pool or more air-cons. Get a bigger system from the beginning, this is cheaper than adding new solar panels in the future. Find attached some average references based in past customers:


Let’s say your bill size is $200 to $400 – an average system size would be 6.6 kW System
what if your bill size is $400 to $800? – an average system size would be 8.2 kW System
and for those bills size $800+ an average system size would be 10 kW System


What documentation can I expect to receive before and after installation?

You will get warranty and performance documents Investment ( proof of purchase and workmanship warranty ), Connection affer and compliance certificate. All by email or by post.


At Sunlife energy we are very particular about the technology we use. Unlike some other solar contractors, we aren’t hunting for deals from manufacturers or purchasing aftermarket panels. We purchase Hanwha Q CELLS G6 solar panels factory-direct from their production facility in Georgia, also in our products section you can check our wide range of Solar panels characteristics and brand partnerships.

Yes. The energy storage option we offer is Batteries Powerwall. Powerwall is the best technology available for providing backup power in the event of an outage. Powerwall is an easy retrofit for existing solar owners.

At Sunlife energy we are always expanding and currently we are serving around all Queensland and New South Wales.

Sunlife Energy has been working in the solar energy industry since 2016. From the beginning, we knew the planet needed people to change from Traditional sources of energy to renewables. By making easy and affordable access to solar energy, we became a part of the solution for the environment, businesses, and families all around Australia.

Yes. We hold licenses in roofing, electrical, and solar in the state of Queensland and New South Wales. Our license number is QLD 83456 / NSW 336655C. Our license allows us to install solar anywhere in the state of QLD and NSW. We carry a general liability insurance policy in an amount that exceeds the required minimum.

Yes, we have an amazing team of solar experts, that excel not just in residential solar installations, as well they have an amazing record of doing corporate solar installations. Helping hundreds of businesses save money and the environment.

Currently (June 2021) we have four offices, one in Sydney, Gold Coast, Brisbane and Cairns. Due to COVID-19, office visits are limited and by appointment only.

We have large collections of reviews on Google, Facebook, and Solar Quotes.

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    We acknowledge the Traditional Owners of the country throughout Australia, and acknowledge their continuing connection to land, waters and community. We pay our respects to Elders past, present and emerging.
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