Note: Solar Choice is not affiliated with Sungrow Solar Inverters and has no financial or other incentives to promote any product brand over another.
Overview of Sungrow – Company History
Sungrow Power Supply Co., Ltd. was founded in China in 1997 by Cao Renxian, a professor at the Hefei University of Technology. Professor Renxian founded Sungrow after learning about the dire state of electrical availability in rural western China.
Sungrow has since grown to be one of the largest solar inverter manufacturers globally. Sungrow has manufactured over 100GW in 60 countries giving them a worldwide market share of 15%. This has contributed to the company’s valuation of $1.5 billion.
Sungrow entered the Australian market in 2012 and has stated that they have captured around 15% of the inverter market. Sungrow specialises in research and development, taking pride in being an innovation leader within the solar industry. This commitment has resulted in more than 1,600 patent applications as of June 2019.
A solar system’s inverter is the point at which the DC electricity produced by solar panels is turned into grid-compatible AC electricity. There are four types of solar inverters, these being string inverters, hybrid inverters, microinverters, and power optimisers.
String inverters have traditionally been the standard in the solar industry. They send the power produced by solar panels to a central inverter that changes it from DC electricity to the usable AC electricity that powers homes.
Hybrid Invertershave the same characteristics as a string inverters with the additional feature of a charge controller, which is used to manage a battery system. Charge controllers can also be bought as an additional unit, but hybrid inverters provide the option of an all-in-one device.
Sungrow Inverter Efficiency
An important aspect of getting the most value out of a solar inverter is choosing an appropriately sized inverter to optimise the solar panel system efficiency. To read about the importance of inverter sizing and system efficiency click here.
Residential inverter efficiency standards are generally 95 to 98 percent. Sungrow’s CEC Approved inverter models range in max efficiency from 97.7% to 98.6%, with the majority of the models over 98%. This places Sungrow Inverters towards the top of the residential inverter market based on efficiency.
Sungrow Inverter Costs
The majority of Sungrow inverters are manufactured in China, which means that they will generally be cheaper than European-manufactured competitors.
Indicative retail price excluding installation
Sungrow Inverter Model
Price Range
Sungrow SG5.0RS 5kW inverter
$1,000 to $1,200
Sungrow SH5.0RS 5kW hybrid Inverter
$2,000 to $2,200
Sungrow SG10RT 10kW 3-phase inverter
$2,200 to $2,400
Keep in mind that inverter costs generally only run between 10-20% of your total system, so often it is worth investing in a high-quality inverter given this will have a large impact on the efficiency and performance of your Solar Power project.
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Sungrow Inverters – Point of Difference
The Sungrow CEC-approved Inverter range differs from other inverter manufacturers as they offer different types and configurations in the typical power range. Sungrow manufactures both string and hybrid residential inverters, with the following string inverter models coming with Multi-MPPT; SG5KTL-MT, SG10KTL-MT, SG10KTL-M, & SG12KTL-M. All of the CEC-approved Sungrow Inverter ranges are Transformerless Inverters, which contributes to their high efficiency.
Inverter Monitoring
Sungrow provides users with the ability to remotely monitor inverter performance, as all inverter models come with WIFI capabilities. Users can monitor performance from their phone through the app iSolarCloud, which is available on both iPhone and android.
Sungrow Inverter Warranty
In Australia, the majority of CEC-approved Sungrow inverters come with a standard 5 year manufacturer’s warranty. Most current residential Sungrow inverters come with a 10-year manufacturer’s warranty while some of their older models came with a 5-year warranty. The warranty period commences on the date the inverter is installed, or 6 months after the date of production, whichever occurs first.
Our advice to customers is that a warranty is only worth something if the company providing it is still around and there is an accessible route to claiming it if your Solar Installer is no longer around. Sungrow is well established in Australia with an office in North Sydney, NSW.
A Full Range of Sungrow Inverters Available in Australia
There are 39 of Sungrow Inverters (under the name of Sungrow Power Supply Co Ltd) approved by the Clean Energy Council for the Small-scale Renewable Energy Scheme, which is Australia’s home solar rebate program. The majority of the listed inverters are available in Australia.
Sungrow offers string, central, and turnkey inverters to accommodate various solar projects. Their string inverters, ranging from 2kW to 352kW, are well-suited for residential and commercial installations. Sungrow’s central and turnkey inverter series target larger commercial and utility-scale solar projects. This review will primarily focus on Sungrow’s string inverters, which are commonly found in Australian solar markets.
RS Series – Residential Single Phase Inverters
Sungrow offer single phase inverters with output capacity of 2kW to the recently added 10kW. For the commonly used 5kW inverter size, Sungrow offer the SG5.0RS and the SG5.0RS-ADA. Seemingly similar in most characteristics the SG5.0RS-ADA is almost twice the size and weight.
The extra size seems to be invested in the inclusion of an additional maximum power point tracker (MPPT) allowing solar designers to includes solar panels on a 3rd orientation on the roof.
Both inverters have low voltage requirement to start up meaning they will turn on slightly earlier in the morning than other inverters on the market and stay running slightly later in the evening. The inverters have a maximum efficiency rating of up to 97.9% which puts them ahead of the European residential inverter options on the market.
RT Series – Residential Three Phase Inverters
Sungrow’s RT series is their main 3-phase solution catering to residential solar systems and small businesses with an output capacity ranging from 5kW to 20kW.
The inverters reach an impressive maximum efficiency of up to 98.5% for their 20kW inverter.
Unlike the RS series, the RT series does not include a built-in screen or even LEDs on the inverter body so customers will have to rely solely on the monitoring app to check performance.
One limitation for users with more complicated solar panel layouts on the roof, is that the inverters only come with 2 MPPTs. Many other 3 phase inverter options have 3 or 4 MPPTs at similar inverter capacities.
SH Series – Hybrid Solar Inverters
All of Sungrow’s residential single phase and three phase inverters come in a hybrid option. A hybrid inverter has the ability to convert power from AC/DC as well as regulate solar power so that it can charge a battery. This option is designed for customers adding a battery, or hoping to keep their options open to add a battery in the future.
Sungrow manufacture their own battery solution which can be seamlessly connected with their hybrid inverters.
The amount of solar panels connected to these inverters can be significantly oversized to ensure the battery is fully utilised. For example the 5kW option (SH5.0RS) allows owners to connect up to 12kW of solar panel capacity.
For their 5kW inverter there is roughly a $1,000 premium to add in the hybrid functionality from their regular 5kW inverter.
CX Series (Commercial Solar Inverters)
One place where Sungrows excels for value and quality is in their commercial solar inverter range.
The Sungrow CX series, coming in 30kW, 50kW and 110kW sizes, is very popular amongst commercial solar installers due to their versatility, performance and attractive price point.
These inverters range from 3 MPPTs and a max efficiency of 98.6% on the 30kW model to 9 MPPTs and 98.7% max efficiency on their 110kW model.
These inverters still lack a decent display screen on the physical device and are supported by an online web portal and app.
Sungrow Inverter Comparison
Sungrow 5kW Hybrid SH5.0RS
Sungrow 5kW SG5.0RS-ADA
Sungrow 10kW 3 Phase SG10RT
Inverter Type
Hybrid
String
String
Rated AC Power Output
4999W
4999W
9999W
Maximum Continuous Output Current
22.7A
21.7A
15.2A
Maximum DC Voltage
600V
600V
1100V
Maximum Inverter Efficiency
97.7%
97.8%
98.5%
Dimensions
490 x 340 x 170 mm
490 x 340 x 125 mm
370 x 480 x 195 mm
Weight
18.5kg
19kg
18kg
Warranty
10 years
10 years
10 years
Operational Temperature Range
-25°C to 60°C
-25°C to 60°C
-25°C to 60°C
Made in
China
China
China
Example of a Sungrow Commercial Solar Project
Sungrow’s 1500V Central Inverter Model SG3125HV-MV were installed at Kristal Solar Park, located in Lommel, Belgium. The 100MW solar park has nine different plots covering 227 Acres and is the largest in the Benelux region. The solar park has been grid-connected since Q4 2019 and is expected to generate 85 GWh annually.
The three-level topology design of the Sungrow SG3125HV-MV contributes to the inverter’s maximum efficiency of 99% and Europe efficiency of 98.7%, guaranteeing premium yields for the solar park. Due to the 20-foot container design, the Sungrow SG3125HV-MV has low transportation and installation costs.
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Jeff has consulted on over 20MW of commercial solar projects, ranging from SMEs to ASX top 100 companies. Jeff has also provided independent advice to 100s of residential solar, battery and EV charging customers across every state in Australia. He holds an MBA from the Australian Graduate School of Management and is an expert in business strategy and financial analysis.
I'm very pleased with the ease of monitoring output both instantaneous and over time
13th July 2025
Michael
NSW - 2087
6kW system
5.00
My Sungrow has the features I was looking for. Hybrid tech, four strings (for future expansion) and great support through their modern App. Next month Sungrow also promises to release a DC fast charger for your EV....completing a full ecosystem of Sungrow components.
7th July 2025
Keith
NSW - 2146
10-15kW system
5.00
It’s just peace of mind brand, it’s still very new but for me. It work for everything what it need from the brand
2nd July 2025
Merv
-
10-15kW system
5.00
Provides All the info I need for the system and seems to manage well if grid power is out
18th June 2025
Steven
-
15-20kW system
5.00
Very Happy with the Inverter. I do have issues with the App, which the Installer hasn't fixed after 6 months.
8th June 2025
Mike
NSW - 2756
10-15kW system
5.00
We like the monitoring app. It has taught us a lot about our energy usage patterns and we are adapting to suit the best solar production hours where this is possible to do.
3rd June 2025
Anthony
VIC - 3981
10kW system
5.00
Works even during power blackouts, enabling you to ride through them. Great app to review status of the system.
21st May 2025
Ian
QLD - 4503
6kW system
5.00
I like that I can monitor the system in great detail on my phone.
17th May 2025
Tim
-
5kW system
Review left 7 years after system installed
4.00
Good inverter, haven't used the app. No problems in 7 years.
15th May 2025
Leigh
-
20-30kW system
5.00
Great app for monitoring. Happy with the current performance.
7th May 2025
Rob
-
6kW system
5.00
The App is easy to understand and monitor.
2nd May 2025
Josh
-
7kW system
Review left 4 years after system installed
1.00
System has failed within 3 years No Warranty.
28th April 2025
Yvonne
-
10-15kW system
5.00
The app makes it very easy to see when it best to use electricity in real life time.
23rd April 2025
Alan
-
10-15kW system
5.00
happy with the app, could be a bit more friendly in certain parts (all info is there though)
very good reports on the inverter, lots of research to see what was available, good value
11th April 2025
David
-
10-15kW system
5.00
Happy with this brand . The boys showed us how to use the app, it’s great we use it all the time.
4th April 2025
Jason
-
5kW system
5.00
very easy to use. the sungrow app is able to monitor my fronious inverters production aswell. overall a nice clean instal.
4th April 2025
David
-
6kW system
5.00
The app works well, showing details stats on usage (showing system to grid, system to house, and grid to house values). It also has aggregate stats for the day/week/month/year which will be useful to track performance over time.
31st March 2025
John
-
6kW system
5.00
Happy with the app. The inverter is Sungrow a good midrange system.
8th March 2025
Dave
-
9kW system
Review left 3 years after system installed
5.00
No because I don't know how to get the app working
4th March 2025
Graham
-
10-15kW system
5.00
I am very happy with the brand of inverter and its functionality and the app service that interacts with my smartphone. Look good and is very neat and tidy on the wall.
Showing 20 of 490 Reviews
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