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What Can A 6kW Solar System Run



What Can A 6kW Solar System Run

Solar power is now common in Australian neighborhoods. A 6kw solar system is one of the most installed in many homes.

A 6kw solar system produces about 24kWh of electricity per day. This is the amount of power consumed by many Australian homes daily.

The solar system can run all your home appliances and charge your electric car with ease.

When purchasing a solar system, you must identify your power usage.

It will be useless to install a solar system that doesn’t meet your power needs. You can check your power bill to identify how much power you use in your home.

Factors That Influence What Your Solar System Can Run


How much power a solar system produces determines what it can run. The amount of power a solar system produces is determined by the location it is installed.

If you install a 6kW system in a location with lots of sunshine, it will easily produce enough electricity to power your home.

If you install the same system in a location with less sunshine, it will produce less electricity. Hence, it will not power as many appliances as it would in a much hotter location.

When installing a solar system, consider the climatic conditions of your location.

Type Of Installation

As solar power technology advances, you can have different types of installation to increase the efficiency of your system.

Solar systems use inverters to convert DC power from the sun to AC power that powers your home appliances.

Advanced solar power systems use microinverters. Microinverters make sure that all the solar panels in the system contribute towards the production of electricity.

A fault in a single panel will not affect the production efficiency of the other panels.

Where the system uses a single inverter, if a single panel is faulty with low-efficiency production, the whole system will work at the efficiency of the faulty panel.

Tilt Of Your Roof

The orientation of your roof also determines how much power your solar system produces and what it can power.

The sun shines at different intensities as the day progresses. The sun is colder in the mornings and evenings. It is hottest for a few hours from noon and before sunset.

If the orientation of your roof doesn’t allow your panels to get direct sunlight when it is at its hottest, your panels will produce less power and hence power fewer home appliances.

A north-facing roof is the best roof orientation for solar panels in Australia.


Shade affects how much sun your solar panels receive and, in turn, how much power they produce.

When your solar panels are shaded, they will not receive as much sunshine as is required. Consequently, you won’t have as much power to run all your home appliances with solar power.

Your solar installer needs to identify a point on your roof that will not be affected by shade to install the solar panels.

How Many Solar Panels Do You Need For A 6kW System?

The number of solar panels you require for a system varies. Depending on the size of your solar panels, you may need more or fewer than your neighbor.

For a 6kW solar system, you will need 20-24 260W solar panels. While you will need 15-19 330W solar panels.

Depending on the number of panels you use for your system, you will need 30-40 square meters of roof space.

If you have a small house and you don’t have sufficient roof space, you can mount them elsewhere in an equivalent space.

How Much Does A 6kW Solar System Cost

After the government rebate, you will pay $6,190 to install a 6kw solar system in your home on average. Make sure you buy from a Clean Energy Council accredited installer to get your rebate.

Factors That Determine The Cost Of Solar Systems

The Size Of The Solar Panels

The size of solar panels is their rated capacity. A smaller size solar panel is more affordable than a large size solar panel.

For example, a 270W solar panel is cheaper than a 330W solar panel. Additionally, a 6kW solar system is cheaper than a 10kW solar system since each system needs a different number of panels. The larger system will require more panels, making it more expensive.

Government Rebate

The Australian government offers a rebate for new solar customers. How much rebate you receive depends on the size of your system, where you live, and where you buy your solar panels from.

A 10kW solar system has a higher rebate value than a 6kW system.

The Clean Energy Council divides Australia into 4 regions for purposes of rebate calculation.

Areas with more sunshine are rated I and II. Rebates in these regions are higher than rebates in regions III and IV which have lower amounts of sunshine.

Areas with higher production potential have higher rebates.

To qualify for the rebate, one of the main conditions is that you must purchase your solar panels from accredited installers.


There are many solar panel manufacturers in the market. Each manufacturer has a different price for its solar panels.

High-quality solar panels will be more expensive than lower-quality panels. However, before you buy, consult at least three people who have used solar or compare prices from three installers.

Use This Free Tool is a free tool to connect you to accredited solar installers.

First, fill in your location in the space provided.

Then fill the application form. In this form, you will provide more information on your solar project.

Your information will then be sent to accredited solar installers. Afterward, you will receive three quotes and advice on how to carry out your solar project.

You can then choose to hire any of the three installers to install solar panels in your home. Make sure to do check reviews for the installer you choose to hire. It will help you ensure that they can do the installations perfectly.


How Long Do Solar Panels Last

Solar panels are durable. Depending on the solar panels you choose, you can get a 20-25 year useful lifetime.

For most of the solar panels life, you will never need any maintenance. You can make repairs for solar panels that are less than 20 years in use. Replace solar panels over 20 years if they start having problems.

Solar panels lose 20% of their efficiency in the first 10 years. They will then lose the remaining efficiency over the remainder of their lifetime.

How Long Does It Take For A 6kW System To Pay Itself Back?

A return on investment in a solar system depends on your power usage. The more money you save by using solar power the quicker you can expect your system to pay back itself.

If you use more solar rather than grid electricity, you can enjoy a return on your investment in a 6kW system in 5 years.

Once the payback period is complete, you are likely to save $50,000 of electricity bills over the lifetime of the solar system.

What Is A Feed-in Tariff

A feed-in tariff is an agreed-upon rate between you and your preferred electricity retailer for exporting excess power from your solar panels to the grid. When your solar panels produce power, you can never use it all.

Therefore, you can get into an agreement with an electricity retailer to buy the excess power.

Often, the feed-in tariff you earn is used to offset your electricity bill. It will reduce or eliminate your electricity bill.

Can You DIY Solar Installation

No, you cannot. Unless you are an accredited solar installer. Solar panels installation must always be done by a Clean Energy Council accredited installer.

Solar installation requires knowledge and skills in electrical installation.

It may even be required to connect to your grid electricity connection. Therefore, only a professional with the right electrical skills can install a solar system.

Installation errors can be fatal if you touch the grid connection. Errors can also cause the solar panel to not produce power as efficiently as it is rated.

How Can You Future Proof Your Solar System

When installing a rooftop solar system you need to consider several aspects of future electricity usage.

A few factors to consider on future usage include increasingly working from home, buying an electric car, buying more home appliances, or adding a swimming pool.

To future-proof your solar system, you can install a much larger system than you need currently.

Or, you can install an upgradeable system for when you need more power from your solar system.

How Big Should My Solar System Be

The ideal size of your solar system is determined by your electricity consumption.

Electricity consumption is based on the number of appliances powered by electricity in your home. The more appliances you have, the more power you consume.

When installing a solar system, how much power you need will determine the size of your solar system.

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Salman Ahmad is a seasoned writer for CTN News, bringing a wealth of experience and expertise to the platform. With a knack for concise yet impactful storytelling, he crafts articles that captivate readers and provide valuable insights. Ahmad's writing style strikes a balance between casual and professional, making complex topics accessible without compromising depth.

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