Comparing Solar Panel Cost Across Different Brands in 2024

Australia is a sunny continent. It carries a massive potential to utilise renewable sources of energy at scale. According to a report by ARENA, More than 30% of total households have solar rooftop PV, with a total combined capacity exceeding 11GW. Approx. 1 in 3 households is equipped with a solar system. If you haven’t already, it has never been a better time to switch to solar energy!

Choosing the best solar panels in Sydney may seem daunting, but you can make an informed decision with some research and comparison. In this guide, our team of experts have compared top brands on solar panel cost, features and performance to help determine the best solar panels for your home.

Analysis of Solar Panels from Solar National

Trina Solar Panels Overview

Trina Solar is a well-established brand in the solar industry, known for producing reliable and cost-effective solar panels. They offer a variety of panel types, including the Honey, Tallmax, and Vertex series, which cater to different needs from residential to commercial applications.

  • Efficiency: Trina panels are known for their high efficiency. For instance, the Vertex series panels have an efficiency rate of up to 21.8%.
  • Durability: Trina panels are built to withstand harsh weather conditions, making them suitable for the Australian climate.
  • Warranty: Trina offers competitive warranties, including a 25-year product warranty and a performance warranty guaranteeing 80-87.4% output after 25 years.

The cost of Trina solar panels in Australia can vary depending on several factors, including the size of the system, installation costs, and location-specific incentives. Here are some indicative prices:

  • 6kW System: Approximately $5,282 for a fully installed system.
  • 8kW System: Around $8,687.
  • 10kW System: About $11,244.

For a typical 6.6kW system, which is common for residential use, the cost can range from $3,299 to $8,500 depending on the specifics of the installation and any government incentives applied.

LONGi Solar Panels Overview

LONGi Solar panels are recognised for their high efficiency, reliability, and competitive pricing. The panels are widely used in both residential and commercial installations, with several series available to suit different needs.

It offers high efficiency and low degradation rates. The Vertex S+ Dual glass range produces a maximum efficiency of up to 22.3%. The use of advanced cell technologies such as PERC and HPBC enhances their performance and durability​.

LONGi offers robust warranty terms: a 12 to 15-year product warranty and a 25 to 30-year performance warranty, ensuring long-term reliability and performance.

The cost of LONGi solar panels varies depending on the model and the supplier. On average, LONGi solar panels cost about $2.40 per watt, which is lower than the industry average of $3.00 per watt.

Jinko Solar Panels Overview

Jinko Solar panels are highly regarded in the solar industry, particularly in Australia, for their efficiency, reliability, and cost-effectiveness.

The Tiger Neo series’ panels offer higher efficiencies, reaching up to 22.55%. They incorporate half-cut cells and bifacial options, enhancing shading tolerance and power generation from reflected light.

Jinko panels typically have efficiencies ranging from 19% to 22.55%, with the Tiger Neo and Pro series pushing the higher end of this range.

Jinko offers robust warranties, including a 25-year product warranty and a 25-30-year performance warranty, ensuring less than 0.5% annual degradation and maintaining high power output over time.


Average Cost: A typical Jinko solar system costs about $2.60 per watt.

The cost for fully installed systems varies:

  • 10kW system: Approximately $9,692
  • 8kW system: Approximately $7,960
  • 6kW system: Approximately $5,982

These costs include installation and are influenced by location, installer, and specific system components.

Astronergy Solar Panels Overview

Astronergy panels are considered a cost-effective choice due to their competitive pricing and solid warranty offerings. Their panels are suitable for a variety of conditions, making them a reliable option for the Australian market.

Astronergy panels provide a good balance of affordability, reliability, and performance, making them a strong contender for residential and commercial solar projects in Sydney.

There are different variants available to match your individual energy needs. The cost for a complete solar system installation varies based on system size and installation specifics. Here are some estimated costs:

  • 10kW System: Around $9,000.
  • 8kW System: Approximately $7,000.
  • 6kW System: About $5,500

REC Solar Panels Overview

REC solar panels are known for their high efficiency and advanced technology, they are slightly under the premium segment of solar panels. In Sydney, the cost of REC solar panels typically ranges between $2.50 to $3.60 per watt, depending on the specific series and the installation circumstances.

REC offers several series of solar panels, including the Alpha Pure-R, Alpha Pure, N-Peak 2, and Twinpeak 4. These panels vary in efficiency, power output, and technology used. For example, the Alpha Pure-R series boasts an efficiency of up to 22.3% and a power output of up to 470 watts, making it one of the most efficient panels available.
The durability and long-term performance of REC panels are also notable. They come with a 20-year product warranty and a 25-year performance warranty, ensuring that the panels will retain at least 92% of their initial power output after 25 years. This longevity is backed by advanced technologies such as half-cut cells, which improve durability and performance, especially in shaded conditions.

The cost of these solar panels in Sydney will depend on the different models and other exemplary costs. Here is a rough approximation of the same:

  • 6kW System – around $7,659
  • 8kW System – around $10,556
  • 10kW System – around $13,896

Yingli Solar Panels Overview

Yingli Solar panels are a popular choice for residential and commercial solar installations due to their competitive pricing and robust performance.

Yingli panels are known for their durability and high efficiency. They have a positive power tolerance of 0/+5 W, meaning they can produce up to 5 W more than their rated capacity under ideal conditions. Their performance warranty guarantees that the panels will maintain at least 80.7% of their original capacity after 25 years. For bifacial panels, the performance warranty extends to 30 years with a guaranteed capacity of 82.5%​

They are generally considered a cost-effective option in the solar market. The average cost per watt for Yingli solar panels in Australia ranges between AUD $2.50 and AUD $3.10. are not the top-rated in the market, they offer good value for money and have a solid performance record. They are particularly suitable for those looking for affordable yet reliable solar solutions. Their extensive warranty and local support in Australia make them a viable option for many homeowners and businesses​

JA Solar Panels Overview

JA solar panels offer a cost-effective and efficient solution for solar energy in Sydney. With competitive pricing, advanced technology, and strong warranty coverage, they are a solid choice for homeowners looking to invest in solar energy. For exact pricing and installation costs, it’s best to get quotes from local solar installers who can provide tailored estimates based on your specific needs and location.

JA Solar panels utilise advanced technologies to enhance performance:

  • Half-Cell Technology: Improves performance and durability by reducing the impact of shading. If one part of the panel is shaded, the other half continues to generate electricity
  • PERC Technology: Adds an extra layer to capture more photons, increasing the electricity generated from the same amount of sunlight

JA offers a product warranty of 12 years for standard models, but some models like the Deep Blue 4.0 Pro offer a 25-year warranty while Performance Warranty for up to 25 years, guaranteeing 84.8% of the original power output at the end of the warranty period.


Here are some approximate figures for the system installation with JA solar panels in Sydney –

  • 6 kW System: Approximately $5,806
  • 8 kW System: Approximately $7,731
  • 10 kW System: Approximately $12,404

These prices include full turnkey installation, the STC rebate, and GST.

Are you in need of proper guidance on solar panel cost or looking for the best provider of solar panel installation in Sydney? We can help! Get the best market quote from Solar National today! Contact us for enquiry.

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