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Detailed reviews and information of the best solar panels, inverters and batteries. Plus hybrid and off-grid solar system reviews and information articles on how solar and battery systems work.

Solar Power Installers | Adelaide SA

Home > Adelaide SA

Solar Power in Adelaide

Solar Generation

A solar panel system in Adelaide, which is installed with good access to the sun, can get up to a massive 4.42 kWh of solar energy per kW installed on average per day throughout the year.

Average daily solar output estimate*

This data assumes an optimal 35° pitch for Adelaide, see next section for details on optimal panel angles.

Adelaide receives a lot of sun throughout the year, however the winter months and the shoulder seasons do see a considerable drop in sunshine, with May to June receiving only a little over 3 kWh.

The best months for solar production in Adelaide are November, December, January and February, all of which should produce over 5 kWh on average with an optimally installed system.

Per kW installed

Full year average: 4.42 kWh

Summer (Jan): 5.41 kWh

Winter (Jul): 3.40 kWh

For a 5kW system

Full year average: 22.1 kWh

Summer (Jan): 27.05 kWh

Winter (Jul): 17.0 kWh

Estimated Daily Solar Production | Per kW installed

Solar Generation Adelaide.png

Optimal panel angle

The optimal panel angle in Adelaide for year round solar production is 35° from the horizontal, and facing due North (0° azimuth). This allows for the most total production throughout the year. However, depending on when you use the most electricity, you may want to consider optimising your installation for different times in the year.

Bear in mind that roofs typically have a pitch of between 15 - 30°, and it usually makes sense if you are installing on a house, to simply lie the panels flat on the roof without changing the angle. This is due to cost, fixing and aesthetics. Installs look nicer when they are flat against the roof, they are more secure, and there is extra costs involved in changing the angle, both in parts and labour.

Here is a guide to the different production you will get throughout the year with different panel angles:

Winter optimised production | 50° pitch*

Per kW installed

Full year average: 4.23 kWh

Summer (Jan): 4.72 kWh

Winter (Jul): 3.63 kWh

Solar Generation Adelaide | Winter optimised.png

Summer optimised production | 20° pitch*

Per kW installed

Full year average: 4.39 kWh

Summer (Jan): 5.85 kWh

Winter (Jul): 2.98 kWh

Solar Generation Adelaide | Summer optimised.png

* This data is purely theoretical, based on solar irradiance and a 12% derating, every installation is different and should expect different outputs.

Battery Systems

For details about installing offgrid and hybrid solar energy storage systems in Adelaide, visit our Battery Systems page.

Solar Installers in Adelaide

Some of the top ranking installers in Adelaide on Google are:

  • Goliath Solar & Electrical | Edwardstown SA

  • Solar Warehouse Australia | Holden Hill SA

  • Energy SA Solar and Air Conditioning | Darlington SA

Visit our Solar Installer page to see more solar professionals that have provided great insight on our forum.

Cost of Solar in Adelaide

Solar Rebates

Adelaide is in zone 3 for the federal STC rebate scheme. This means that for a 5kW system, in 2019 you are eligible for 96 certificates, which at the current price of around $30, you will receive a very handy $2880 off the upfront cost of your system. See our Solar Price Calculator for up to date calculations of STCs on your specific system size, and for a quote on the total cost of a system.

Take a look at Ch 8. What financial incentives are available? in our Guide to Buying Solar for further details.

Solar Quotes & Prices

If you have a quote for a solar installation in Adelaide, visit our solar forum and you can have your quote reviewed by our team and community.

Examples of some pricing that we have seen for quotes in Adelaide:

  • Panels: 4.95 kW, 18 x 275W ZNShine | Inverter: SolaX 5kW | Price: AUD$6550 gross ($1.3 per W - based on inverter output). Minus $2880 federal STC rebate = $3670 net

  • Panels: 6.6 kW, 22 x 300W Canadian Solar KUPower | Inverter: Fronius Primo 5kW | Price: AUD$8990 gross ($1.8 per W - based on inverter output). Minus $3000 federal STC rebate = $5990 net

  • Panels: 6.51 kW, 22 x 310W Qcells QPEAK | Inverter: Fronius Primo 5kW | Price: AUD$9250 gross ($1.85 per W - based on inverter output). Minus $3000 federal STC rebate = $6250 net

Checkout Ch 5. How much will a solar power system cost? in our Guide to Buying Solar, for more information on cost, and importantly how much you should spend on a solar system.


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