A 6.6kW solar system is one of the most popular sizes in Australia, and in this guide Canstar Blue takes a look at how many panels these setups require as well as how much electricity they are capable of producing. We''ll also explore how much you can expect to pay for a solar system of this size, plus uncover some other important information that''ll help you decide whether a 6.6kW system is right for you.
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A solar system’s size is determined by its power output, which is measured in kW: if you''re wondering what kW stands for, check out our explanation of kilowatts and kilowatt hours.
A 6.6kW solar system in Australia typically consists of 20-24 solar panels. However, the number of panels in a 6.6kW system will vary depending on the make, model and efficiency of the solar panels, as well as the climate conditions in your specific location.
6.6kW solar systems are one of the most common panel sizes for home installations in Australia. This is because they generate enough electricity to meet the needs of a typical home. Not only are these sized systems efficient, a 6.6kW solar system is often one of the more affordable options for homeowners, especially if there are any rebates up for grabs.
On average, a 6.6kW solar system will produce about 22 to 26 kilowatt hours (kWh) of electricity per day. This equates to approximately 8,000 to 9,500kWh of usable energy per year, which is on par with what the average home in Australia uses. However, there are multiple factors that will determine how much electricity is generated from a solar panel throughout the day, or over the course of a year.
Here are three contributing factors you''ll need to consider when determining how much electricity a solar system of this size can produce:
By no means are 6.6kW solar systems cheap, but they are more affordable than you may think. In fact, a 6.6kW solar system in Australia will set you back at least $6,000. Now this price may seem high, but it is quite reasonable when considering the long-term benefits, like subsidising or covering your energy bills over an extended period of time.
Not only that, installing solar is a great investment for the future because it will likely increase the value of your home, especially as more Aussies opt for cleaner and greener energy.
There are way too many variables to determine how much a 6.6kW solar system will save you, but given its general output capacity, there are some serious financial gains to be made by installing such a rig. As mentioned earlier, this size of a solar system can easily cover the annual energy needs of a typical Australian household.
And because 6.6kW solar systems have a reasonable upfront cost, they typically pay for themselves over a shorter period of time. Not only that, but they also continue to generate electricity for many years after the buyback period, providing an excellent return on investment.
*NSW, QLD and SA: Price is GST inclusive and is: The estimated lowest possible price a representative customer would be charged in a year for this plan, assuming all conditions of discounts offered (if any) have been met, based on the AERu2019s model annual usage in the distribution region as stated at the top of each table.
~VIC: Price is GST inclusive and is: The estimated lowest possible price a customer would be charged in a year for this plan, using the Victorian Governmentu2019s annual reference consumption for domestic customers in your distribution region as stated at the top of each table and assuming all conditions of discounts offered (if any) have been met.
ACT:u00a0Price is GST inclusive and is: The estimated lowest possible price a representative customer would be charged in a year for this plan, using the Independent Competition and Regulatory Commission (ICRC) annual reference consumption for domestic customers in your distribution region as stated at the top of each table and assuming all conditions of discounts offered (if any) have been met.
Some plans may require you to meet certain conditions before a discount may become available to you. Check the energy provideru2019s plan information for details of all possible discounts that may apply and any conditions that need to be met to be eligible for these discounts. Some plans may have a minimum term longer than one year. In that case the total cost over the term will be much higher than the price (which is only for one year). Consider the provideru2019s detailed product and pricing information before making a decision to take out a new plan or switch electricity providers.
^What is the Reference Price?
The reference price is set by the Australian Energy Regulator (AER) for a financial year in relation to electricity supply to residential customers in the distribution region and is based on an assumed annual usage amount. Any difference between the reference price and the unconditional price of a plan is expressed as a percentage more or less than the reference price.u00a0 The terms of any conditional discounts are shown, along with any further difference between the reference price and the discount applied if a condition is met, expressed as a percentage more or less than the reference price.
>What is the VDO?
The Victorian Default Offer (VDO) includes a daily supply charge and usage charges (per kilowatt hour). Differences in tariffs across distribution regions reflect the unique costs of providing electricity services in each area. The difference between the VDO and the unconditional price of a plan, based on the Victorian Governmentu2019s annual reference consumption for domestic customers in the distribution region, is expressed as a percentage more or less than the VDO. The terms of any conditional discounts are shown, along with any further difference between the VDO and the discount applied if a condition is met, expressed as a percentage more or less than the VDO.
Solar Products:
Annual cost estimates exclude solar payments. Feed-in tariffs shown are single rate only. Solar products may only be available to solar customers and some products may only be available to customers who purchase solar PV or other products through the retailer.
Referral Partners
u2020By clicking on a brand, ‘go to site‘, ‘shop online‘, ‘get quotes now‘, or ‘see offer‘ button, you will leave Canstar Blue and be taken to our referral partner to compare. Canstar Blue may be paid for this referral. You agree that Canstar Blueu2019s terms and conditions apply to this referral. Please note that references to an ‘offer’ do not mean that you will automatically be accepted or eligible for a product, eligibility requirements may apply.
Here are some of the cheapest solar-specific deals from the retailers on our database. These costs are based on the Citipower network in Melbourne but prices will vary depending on your circumstances. We show one product per retailer, listed in order of lowest price first. Annual price estimates assume general energy usage of 4000kWh/year for a residential customer on a single rate tariff. Price estimates exclude solar feed-in tariff credits. These are products from referral partners†. Our database may not cover all deals in your area, and please check retailer websites for up to date information.
Here are some of the cheapest solar-specific deals from the retailers on our database. These costs are based on the Energex network in Brisbane but prices will vary depending on your circumstances. We show one product per retailer, listed in order of lowest price first. Annual price estimates assume general energy usage of 4600kWh/year for a residential customer on a single rate tariff. Price estimates exclude solar feed-in tariff credits. These are products from referral partners†. Our database may not cover all deals in your area, and please check retailer websites for up to date information.
Here are some of the cheapest solar-specific deals from the retailers on our database. These costs are based on SA Power network in Adelaide but prices will vary depending on your circumstances. We show one product per retailer, listed in order of lowest price first. Annual price estimates assume general energy usage of 4000kWh/year for a residential customer on a single rate tariff. Price estimates exclude solar feed-in tariff credits. These are products from referral partners†. Our database may not cover all deals in your area, and please check retailer websites for up to date information.
It will take about four to six years for a 6.6kW solar system to pay for itself in Australia. This will depend on multiple factors, like where your home is located, how much energy your household consumes, the solar feed-in tariff you''re on, and the rebates available in your area. The cost of your preferred solar installer will also make a difference to your payback period.
That''s why it''s so important to discuss your personal situation with your solar panel installer as they should be able to provide you with a general payback period on your investment. Like any major works to your home, it''s best to explore your options and ring around for at least three quotes. Most solar installers will give you a general idea of upfront costs, that way you can best decide whether a 6.6kW system is best for your circumstances.
The short answer is maybe! A 6.6kW solar panel system is a great way to save money on your annual energy costs, and they’re also super environmentally friendly. But before you install a solar system, there are a few things you need to consider.
First of all, you need to make sure that your roof can support the weight of the panels and that your home gets enough sunlight. If you live in an area with a lot of trees or other buildings, you might not get enough sun to make solar a good investment.
Once you''ve made the decision to ''go solar'', then it''s time to work out the cost of installation and maintenance. Solar panels can be expensive, so you need to ensure you can afford the upfront cost. That being said, solar panels are usually a great investment, especially for homeowners who have a long-term outlook for their property.
Ultimately, investing in a 6.6 kW solar system will come down to your personal situation, which is why it''s also worth talking to your friends and family. Who knows, they may be in a similar situation or have just recently invested in a solar system themselves.
Image Credits: myphotobank /Shutterstock , Krisana Antharith/Shutterstock
To our knowledge, all information in articles on the Canstar Blue website was correct at the time of publication. This information may have changed over time. Refer to the product fact sheet (or relevant similar documentation) before making any purchase decision. Canstar Blue''s website terms and conditions apply.
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