LONGi Solar is a leading global solar panel manufacturer. Longi Solar was founded in 2000. It has been a pioneer in the field of monocrystalline silicon wafers, cells and modules for solar power generation in Australia.
With high-efficiency, best-in-class solar technology, Longi Solar solar panels are being installed in many homes and businesses in various cities in Australia such as Canberra, NSW, Victoria, Queensland.Aussie Solar Techassures you that Longi Solar’s solar panels are among the best solar panels in Australiafor P-type TOPCON, N-type TOPCON, N-type HJT, P-type HJT and other solar technologies.
Key Features of LONGi Solar
Tier 1 PV Module Manufacturer
100% Bankable PV Module Brand (BloomberBNEF)
5.6% of Operating Income in R&D
Obtained Highest Altman-Z Score Among PV Companies Worldwide
The Firm Rated as AAA for its Module Bankability Ratings for 7 consecutive times
Manufacturing Facilities and Sales Offices in More Than 150 Countries Including Factories in Australia.
LONGi Solar panels are Australia’s leading choice for high-efficiency solar energy, with LONGi solar panel prices starting from $3,999 for a complete 6.6kW system in 2026. As the world’s largest Tier 1 solar manufacturer, LONGi solar panels deliver exceptional performance with efficiency up to 23% across their Hi-MO 4, Hi-MO 5, and Hi-MO 6 series. This comprehensive LONGi solar panels review covers everything Australian homeowners need to know: LONGi solar panel prices Australia 2026, detailed specifications, real-world performance data, customer reviews, and how to find certified LONGi solar panel installers near you.
With a dedicated Sydney office since 2017 and 149 CEC-approved models, LONGi panels have proven themselves in Australia’s harsh climate—from intense Queensland heat to variable Melbourne weather—making them one of the most reliable and cost-effective solar investments available.
LONGi Solar – A Quick Look at Their Company History
Founded in 2000 under the name Xi’an LONGi Silicon Materials Corporation, LONGi originally focused on producing high-quality monocrystalline silicon wafers used in top solar panel brands worldwide.Over the years, the company expanded rapidly. Today, LONGi operates 10 manufacturing facilities—eight in China and two in Vietnam and Malaysia—with another major plant currently being built in India.
LONGi has earned a strong global reputation. They were the only solar panel manufacturer to receive a AAA rating in PV ModuleTech’s Bankability Rankings for Q3 2020. In 2022, they were also listed 724th in Forbes’ Global 2000.In Australia, LONGi entered the market in 2017 and quickly secured a solid share, supported by their dedicated office in Sydney. A major milestone came in September 2022 when LONGi announced a world-record cell efficiency of 26.12% for its p-type HJT solar cell—highlighting their continued leadership in solar technology.
LONGi Solar Panel Series and Specifications
LONGi Solar, operating under the name LONGi Green Energy Technology Co Ltd, currently has 149 solar panels approved by the Clean Energy Council in Australia, qualifying them for the federal STC solar rebate. These panels are designed to meet a wide range of needs, from residential rooftops to commercial and utility-scale projects, ensuring reliable energy production across diverse settings.
LONGi offers three main series: Hi-MO 4, Hi-MO 5, and Hi-MO 6, each tailored for different requirements:
Hi-MO 4 Series
The Hi-MO 4 panels use gallium-doped silicon cells, which reduce light-induced degradation (LID), helping the panels maintain higher energy output over time. With an annual degradation rate of just 0.55% (lower than the typical 0.7%) and a 12-year product warranty, these panels provide long-lasting, dependable performance. Specifications:
Efficiency: ~20–21%
Power Output: 400–450 W
Dimensions: 2108 x 1048 x 35 mm
Weight: ~23 kg
Special Features: High LID resistance, all-black option available
Hi-MO 5 Series
The Hi-MO 5 series improves on its predecessor by increasing the working current to around 13 amps, making it better suited for mainstream string inverters. This series also includes an all-black option, offering a modern, sleek look for rooftops while maintaining high efficiency and reliability. Specifications:
Efficiency: ~20.5–21.5%
Power Output: 450–500 W
Working Current: ~13 A
Dimensions: 2108 x 1048 x 35 mm
Weight: ~24 kg
Special Features: All-black version, higher current suitable for standard string inverters
Hi-MO 6 Series
The Hi-MO 6 series is the most versatile, offering four models to meet different solar needs:
The Artist: Colorful panels for aesthetic integration
The Guardian: Built-in power optimizers for shaded areas
The Explorer: Reliable solar solution at an economical price, efficiency up to 22.5%
The Scientist: Premium model with up to 23% efficiency and <1% first-year degradation; advanced variants include Hi-MO X6 and X6 MAX for higher performance and durability
Specifications:
Efficiency: 21–23% (model dependent)
Power Output: 460–600 W (model dependent)
Dimensions: 2256 x 1134 x 35 mm
Weight: ~26 kg
Special Features: All-black version available; models optimized for aesthetics, shading, economy, and high efficiency
All LONGi panels are designed to combine advanced technology, long-term reliability, and versatile design options, providing suitable solutions for nearly any solar installation in Australia, from homes to commercial projects.
LONGi Solar Panel Specifications (common modules)
Specification
LONGi 440W Hi-MO 6 Explorer LR5-54HTH-440M
LONGi 450W Hi-MO 6 Scientist LR5-54HTH-450M
LONGi X6 [MAX] Scientist LR7-54HTH 470~475M
Cell Number
108 Cells
108 Cells (Half Cut)
108 Cells (Half Cut)
Cell Type
Monocrystalline PERC
Monocrystalline PERC
Monocrystalline PERC
Power Output
440Wp
450Wp
470Wp to 475Wp
Power Density
225 W/m²
230 W/m²
~231.4W/m²
Panel Efficiency
22.5%
23.0%
23.3%
Annual Power Degradation
0.4%
0.4%
<0.4%
First-Year Degradation
Not specified
Not specified
<1.0%
Dimensions
1,722 mm x 1134 mm x 30 mm
1,722 mm x 1,134 mm x 30 mm
1,800 mm x 1,134 mm x 30 mm
Weight
20.8 kg
20.8 kg
21.6 kg
Product Warranty
15 Years
25 Years
25 Years
Temperature Coefficient Pmax
-0.290%/°C
-0.290%/°C
-0.280%/°C
Made in
China
China
China
LONGi Solar Panel Prices in Australia
The prices below serve as an approximate guide, showing that LONGi panels offer an affordable option while still providing reliable performance for Australian homeowners and businesses.
Solar System – Price Specifications
System Size
Prices Starting (Approx.)
6.6 kW system
$3,999
8 kW system
$4,599
10 kW system
$5,599
13 kW system
$7,599
20 kW system
$10,299
Note: Prices depend on your location, installation complexity, inverter choice and rebates available.
With so many solar panels available, LONGi stands out for its global scale, advanced technology, and high-quality performance. Known for reliability and innovation, LONGi solar panels are designed to deliver maximum energy yield while maintaining long-term durability.
Largest Solar Panel Manufacturer Globally
Since 2020, LONGi has been the world’s leading solar panel manufacturer, producing not only solar modules but also supplying silicon wafers and cells to other manufacturers. Their annual production capacity reaches 105GW for wafers and 60GW for solar panels (Q2 2022).
Vertically Integrated Solar PV Value Chain
LONGi controls nearly every step of the solar panel production process—from ingots to wafers to cells—ensuring consistent quality, supply stability, and better efficiency. Many other brands source wafers or cells from LONGi for their panels.
Focus on High-Efficiency Monocrystalline PERC Panels
LONGi exclusively produces mono PERC panels, leveraging decades of expertise in single-crystal silicon technology, which typically provides higher efficiency than competitors in the same price range.
Innovation and Advanced Technology
Through strong R&D and use of cutting-edge PERC and HJT cell technology, LONGi consistently pushes efficiency limits and improves energy output, including in low-light conditions.
Global Recognition and Reliability
LONGi panels are trusted worldwide, backed by rigorous quality standards, strong warranties, and consistent performance in diverse climates, ensuring long-term energy savings for homes and businesses.
Pros and Cons of LONGi Solar Panels
Pros:
Large manufacturing capacity with strong global presence
Fully vertically integrated production process for consistent quality
Local office in Sydney for easy customer and installer support
High-efficiency monocrystalline PERC technology
Strong R&D focus driving continuous innovation
Cons:
Entered the Australian market relatively later than competitors
Shorter product warranty, as panels target mid-range cost-effective segment
Limited availability of some high-end or specialty models
Fewer premium aesthetic options compared to niche brands
Why LONGi Solar Panels Are the Best Choice in Australia
LONGi Solar is a Chinese-owned solar panel company but has been in business in Australia for over 10 years as a leading solar panel or PV module manufacturer. It is ideally positioned to provide Australian customers with the best quality solar technology at a reasonable price, regardless of their project requirements. LONGi Solar’s Australian office is based in Sydney since 2017 but also has sales representatives and technical support staff in other major cities across the country. LONGi Solar’s Australian branch has a dedicated local team that supports customers with operations, marketing, sales, technology and large-scale project planning.
Buy the best solar panels in Australia from Aussie Solar Tech, such as LONGi Solar’s solar panels. It is an SAA accredited installer and design provider and NETCC authorized retailer. LONGi Solar’s local knowledge, backed by a global technical and financial powerhouse, makes LONGi Solar Australia the best choice for powering your home or future solar project.
Tier 1 Manufacturer: Longi is consistently ranked as a Tier 1 solar panel manufacturer by Bloomberg New Energy Finance, indicating financial stability and a commitment to quality.
High Performance and Efficiency: Longi panels consistently perform well in independent testing, demonstrating high efficiency and good performance in various weather conditions, including the high temperatures often experienced in Australia.
Solid Warranties: Longi offers a competitive product and performance warranty, typically a 12 to 15-year product warranty and a 25-year linear performance warranty, providing peace of mind for your investment.
Value for Money: Compared to some premium brands, Longi offers a more accessible price point without a significant compromise on quality or performance, making them an attractive option for budget-conscious consumers.
To ensure you get the best price and a quality installation, it is highly recommended to obtain quotes from multiple Solar Accreditation Australia (SAA) accredited installers. Reputable installers (like Aussie Solar Tech) will be able to provide a detailed quote that breaks down the costs of all components and labour. They can also provide valuable advice on the most suitable system size and components for your specific needs and energy consumption patterns.
Aussie Solar Tech stands as a premier local solar installer and designer across Australia, offering nationwide solar services. Our operations primarily encompass the Australian Capital Territory, New South Wales, Victoria, and Queensland, including their respective regional areas. We are authorized dealers and installers of Longi Solar products in Australia, ensuring comprehensive after-sales service and warranty support.
Frequently Asked Questions:
Is LONGi a Tier 1 solar brand? Yes, LONGi is consistently ranked Tier 1 by BloombergNEF.
Are LONGi solar panels good quality? Yes. LONGi consistently receives AAA bankability ratings and global performance recognition.
Is LONGi a Chinese company? Yes, headquartered in Xi’an, China, with global facilities and strong Australian operations.
How long do LONGi panels last? Most systems perform efficiently for 30–40 years.
Are LONGi panels suitable for Australian climate? Yes. They perform well in heat, varied sunlight, and low-light conditions.
Final Verdict – Should You Choose LONGi Solar?
If you are looking for a high-efficiency, reliable, affordable, and future-ready solar panel brand, LONGi Solar is one of the best choices in Australia. Backed by strong innovation, global reputation, and trusted performance, LONGi delivers long-term energy savings and dependable solar power for Australian homes and businesses.
Similar Solar Panels
Similar Aussie Solar Tech offers solar panels of the highest quality that have anti-reflective, self-cleaning transparent material, reliable cells, and UV-resistant EVA film for getting the most out of your solar power. As a NETCC-approved solar retailer, we make sure that the solutions we offer for your house are of the highest quality and will last. Choose us for solar energy that is stable and long-lasting.
