Solar Panels in Adelaide: 2026 Cost Guide
Considering the substantial government rebates, increasing costs of energy, and the decrease in prices of solar panels, folks in Adelaide are rapidly moving towards solar power.
Get up-to-the-minute information on costs, rebates, and feed-in tariffs, so you can make the best decision for your home.
Table of contents
Solar panels cost in Adelaide
The cost of solar panels depends on their size. The 6.6kW system, which is the most popular solar system in Australian homes, goes for $7,013. This is the average cost in Adelaide, SA.
The average cost of a solar system of the same size in Australia is $6,893. This puts the price of the system in Adelaide on the lower end of the national price.
Below is a table showing the different rates of panels in Adelaide.
| Service/ system | Size | Cost |
|---|---|---|
| Cost per kW | 1.5 kW | $3,198 |
| National average cost per kW | 1.5 kW | $3,167 |
| 3kW | 3kW | $4,094 |
| 5kW | 5 kW | $5,726 |
| 6.6kW | 6.6 kW | $7,013 |
Government solar panel rebate in SA
The Australian government provides rebates to its residents through an initiative called the Small-scale Renewable Energy Scheme. All eligible people will receive a rebate by claiming the STCs (Small-scale Technology Certificates).
The STCs are technically tradable certificates that you can calculate and trade to get a discount on the solar panels. A registered agent can claim the discount for you as well.
Different solar systems come at different costs and rebates. For instance, a 5kW system in SA costs about $ 5,726 and has a rebate of $2,195 and its STCs are 55.
Below is a table showing the different rebates for different solar panel sizes.
| System Size | Rebate Amount |
|---|---|
| 2kW | $878 |
| 3kW | $1,317 |
| 4kW | $1,756 |
| 5kW | $2,195 |
| 6kW | $2,633 |
| 10kW | $4,389 |
SA Government State Rebates
The SA state government is offering solar rebates of up to $6,000 for the installation of batteries. This amount will be higher for low-income households to support them to install solar power and batteries. Residents installing more than 20kW panels for a 1.5kW system will get 20% rebates.
SA government has rebates for solar panels, and it has set aside $100 million for solar panels and batteries. These rebates are expected to assist more than 40,000 households in installing solar power and reducing electricity bills.
Solar system output in Adelaide SA
The table below illustrates the different solar panel sizes and their outputs. This information will guide you when looking for the perfect solar system.
| System Size | Output |
|---|---|
| 1kW | 4.3kWh |
| 1.5kW | 6.45 kWh |
| 2kW | 8.6 kWh |
| 3kW | 12.9 kWh |
| 4kW | 17.2 kWh |
| 5kW | 21.5 kWh |
| 6kW | 25.24 kWh |
| 10kW | 38.5kWh |
STC zone in Adelaide
SA is in Zone 3, according to the STC zones in Australia. Adelaide is also in zone 3, which means it is awarded 1.382 STCs with an STC spot price of $39.90. With the STCs and the panel size you would like to install, you can calculate your rebate without a hassle.
Solar Feed-in tariffs SA
With a good quality solar system, you will get enough power to support your household needs. However, you may not exhaust the energy, which means it might go to waste. To avoid losing your excess power, you should look for a good Feed-in tariff provider.
These providers will give you incentives for your excess power. Below are the best FiT providers you should consider working with.
Best Overall
| Min FiT | Max FiT |
|---|---|
| 8.6c | 44.0c |
If you are searching for a FiT that will give you every cent for your power, Dodo is the best to work with. It has high 8.6c/kWh rates as the minimum rate and 44.0c/kWh as the max rate. This means that you will get good incentives that will be very handy in reducing your solar system’s payback time.
With Dodo, you can easily monitor your activity and earnings through ‘My Dodo’ an online account management system. The system is easy to use and will help you monitor rates and incentives.
Runner up
| Min FiT | Max FiT |
|---|---|
| 15.0c | 59.0c |
Red Energy gives you FiT rates ranging from 15.0c/kWh to 59.0c/kWh depending on your system’s size. These rates are higher than most companies, making Red Energy one of the best companies to work with.
Red Energy is a transparent and reliable company that provides you with quality services at all times.
Great All-rounder
| Min FiT | Max FiT |
|---|---|
| 12.0c | 56.0c |
With Click Energy, you will get high rates of 12.0c/kWh to 56.0c/kWh for your surplus power. With the incentives you get, it is possible to reduce your system’s payback time.
This company is also very transparent and does not offer lock-in contracts. This means you have the freedom to move to another FiT provider at any time.
Is Adelaide a good climate for solar?
Yes, Adelaide is a good climate for solar. It has a fairly warm climate throughout the year, with summers being hot and dry and winters being mild and rainy. The temperatures can be as high as 29 degrees and can go as low as 11 degrees. Generally, Australia is a good climate for solar installation, that is why it is one of the best places to install solar.
Percentage of Adelaide households with solar installed
Adelaide, SA has about 30-40% of homes with solar installations. It is a great place for solar installation, that is why there is a very high percentage of solar installations. With the panels’ rates lower than ever, and the rising electricity rates, many Adelaide residents and businesses are moving to solar power every day.
Optimal solar panel orientation and angle in Adelaide
The best panel orientation and angle in Adelaide and generally Australia is about 30 to 40 degrees. This is considered the optimum angle for maximizing the solar energy generation. Any angle between 10 to 35 degrees also works perfectly for Australian homes. To allow for self-cleaning during rainy days, a minimum tilt of 10 degrees is recommended.
FAQs
How many solar panels do I need?
The size of your home, your roof’s physical space, and the power you consume every day or every month will determine the number of panels you will need. Different people have different power needs. Also, the size of a family is different from home to home.
The simplest way to know how many panels you need based on power consumption is by multiplying your home’s hourly power requirement by your area’s peak sunlight hours. Then divide the results you get by the wattage of the solar panels to know how many panels will be enough for your home. To get a range, use low wattage panels and high wattage panels.
Can I oversize my solar system?
Yes, it is possible to oversize your solar system to up to 33%, which is the maximum limit. This is according to the CEC Solar PV Guidelines. If you exceed this limit, you will not get any rebates from the government. You should also ensure you use the best quality inverters, and the system should be installed by CEC accredited professionals only.
Do I need solar battery storage?
Yes, battery storage is critical because it helps you store excess power produced by your panels. The power comes in handy when the grid is down due to limited sunlight, especially during winter. With enough solar energy in your batteries, you can go off-grid and enjoy lighted nights when the climate is not favorable.
How long do solar panels last?
The ideal life of solar panels is approximately 25-30 years. After this period, their efficiency goes down, and they may not be reliable. During the first 10-12 years, the efficiency of the panels may decrease by 10%. After 20 years, their efficiency will decrease by 20%. Once the panels’ productivity decreases below 80%, you will need to install new panels for reliable solar power.
Solar panel prices by city
