Solis Solar Inverter Review

Solis inverters have rapidly become popular for homeowners and businesses investing in solar energy solutions. Known for their reliability, performance, and affordable price point, Solis offers a range of inverters that cater to different solar system needs. Whether you are a homeowner looking to reduce energy costs or a business owner aiming for sustainability, By reviewing the specifications and performance of these inverters, you can make a well-informed choice.

As the adoption of solar energy increases in popularity,, selecting the right inverter is crucial for maximising energy efficiency and ensuring long-term savings. With the increasing demand for solar solutions in Sydney, more people are turning to reputable solar companies to install these systems.

According to recent studies, solar installations in Australia have surged by over 30% in the past year, with Sydney seeing a significant rise in interest. This surge has fueled the popularity of brands like Solis, which provides high-quality and efficient solar inverters designed to meet diverse needs. In this review, we will dive into the features, pros, and cons of Solis inverters to help you decide if they are the right choice for your solar system.

About Solis – The Company Behind the Inverter

When choosing a solar inverter that needs to last 10+ years, it is important to know who makes it and whether local support will be available. Here is a full picture of Solis as a company.

Company Facts

Solis Australian Office – Local Support Details

Having a local Australian office is critical — it means warranty claims and technical issues are handled locally, not routed through overseas call centres.

Address: 5/109 Tulip St, Cheltenham VIC 3192

Service Hotline: 03 8555 9516  /  1800 928 995

Sales Email: au-sales@solisinverters.com

Service Email: au-service@solisinverters.com

Support Hours: Monday to Friday, business hours

Website: solisinverters.au

Solar National also provides direct after-sales support for all Solis inverters we install. You can call us on 1300 179 949 or contact us via our website if you have any questions about your system.

Solis Inverter Models Available in Australia — Full Specifications

Solis offers four main inverter categories for Australian customers: single-phase string, single-phase hybrid, three-phase string, and three-phase hybrid. Here is a detailed breakdown of each to help you choose the right model.

1. Solis S6-GR1P — Latest Single-Phase String Inverter (Best Seller)

The S6 is the newest generation single-phase inverter from Solis, replacing the S5. It is lighter, more compact, and offers improved efficiency — making it the go-to choice for most Sydney residential installations.

2. Solis S5-GR1P — Previous Generation Single-Phase (Still Available)

The S5 remains a solid, proven choice and is still widely available. If you are on a tighter budget or your installer recommends it, the S5 is a reliable option with a track record across Australian conditions.

3. Solis Three-Phase String Inverters (S5-GR3P)

Three-phase inverters are suited to larger homes or new-builds with a three-phase grid connection, and to commercial installations. Solis produces three-phase models from 5 kW all the way to 225 kW.

4. Solis Hybrid Inverters – For Battery Storage

Solis also produces single-phase and three-phase hybrid inverters for households wanting to add battery storage now or in the future. Their hybrid range is compatible with a wide variety of battery brands — not locked to a single manufacturer.

Quick Model Comparison

What Makes Solis Solar Inverters Stand Out?

When selecting the best inverter for your solar system, Solis inverters are known for their superior performance and value for money. These inverters are engineered with advanced technology to ensure maximum energy production and efficiency. Solis offers both string and hybrid inverters, which can accommodate different types of solar installations, from small residential setups to large commercial systems. The brand’s inverters are highly valued for their dependability, straightforward installation process, and cost-effectiveness, making them a preferred choice for solar users in Sydney and Australia.

One key feature that sets Solis apart from its competitors is its focus on long-term performance. Solis inverters are designed to have a long lifespan and are backed by a solid warranty, ensuring that users enjoy optimal performance for many years. Additionally, these inverters come with remote monitoring capabilities, allowing users to track their system’s performance in real time via mobile apps or web platforms. This makes it easier to identify any issues early on and address them promptly, preventing downtime and maximising energy production.

Solis Inverters – Points of Difference

When comparing Solis to other inverter brands on the market, several features make it stand out. Here’s what sets Solis apart:

• Affordability Without Sacrificing Quality: Solis offers high-performing inverters at a more budget-friendly price point compared to premium brands like Fronius or SMA.
• High Efficiency Ratings: With efficiency rates up to 99%, Solis ensures minimal energy loss, helping users get the most out of their solar systems.
• Flexible Product Range: Whether you need a basic residential inverter or a large-scale commercial solution, Solis has models to suit every need.
• Remote Monitoring Capabilities: The brand’s mobile apps and web platforms make system tracking easy and accessible for users at all times.
• Strong Warranty Support: A 10-year warranty in Australia offers homeowners peace of mind and confidence in the longevity of their system.

These points make Solis an increasingly attractive option for solar adopters looking for value, reliability, and performance.

Is Solis a Good Inverter Brand?

Yes, users consider Solis a good inverter brand, particularly for homeowners and businesses looking for an affordable yet high-performing solar energy solution. Solis inverters are recognised for their consistent performance, durability, and affordability. They are an excellent choice for those looking to maximise their solar investment without breaking the bank. Additionally, Solis provides comprehensive warranty options, ensuring that users are protected in case of any issues with their inverter. Overall, their inverters are well-regarded within the solar industry, especially for those looking to install solar systems in Sydney.

Who Makes Solis Inverters?

Solis inverters are manufactured by Sungrow Power Supply Co., Ltd., a leading global renewable energy company based in China. Sungrow specialises in developing, producing, and distributing solar inverters, energy storage systems, & other solar-related equipment. With over 25 years of experience in the industry, Sungrow is recognised for its commitment to innovation and high-quality manufacturing standards. The company’s Solis range of inverters has become particularly popular due to their excellent performance, advanced features, and strong customer support.

Solis Solar Inverter Costs

The cost of a Solis solar inverter varies depending on the model, system size, and installation requirements. On average, homeowners can expect to pay between $1,500 and $4,000 AUD for a Solis inverter, including installation fees. This price range is relatively affordable compared to other premium solar inverter brands. The Solis inverter’s cost is generally lower than that of brands like Fronius or SMA, which makes it an appealing option for those seeking high quality at a more budget-friendly price.

The cost can increase significantly for larger commercial installations, but Solis remains an attractive option due to its cost-effectiveness and efficiency. Always get multiple quotes from reputable solar companies in Sydney to ensure you get the best installation deal.

Solis Inverter Efficiency

Solis inverters are known for their high efficiency, with many models achieving up to 99% efficiency in energy conversion. This means that the amount of energy lost in converting DC power to AC power is minimal, ensuring that your solar system operates at its peak potential. This is a key benefit for Sydney homeowners, as the city benefits from abundant sunlight, making it crucial to get the most energy possible from solar panels.

Solis inverters’ high efficiency is also aided by advanced maximum power point tracking (MPPT) technology, which ensures that the inverter is always operating at optimal performance, regardless of changes in sunlight or weather conditions. This makes Solis inverters a reliable option for anyone looking to maximise their solar energy production over the long term.

Solis Inverter Technologies

Solis inverters have several innovative technologies that enhance their performance and make them stand out in the crowded solar inverter market. Some of the key technologies include:

1. Advanced MPPT Technology: Solis inverters feature multiple MPPT (Maximum Power Point Tracking) channels that optimise energy production from the solar panels. This allows the inverter to adjust to different solar conditions throughout the day and maximise energy generation.
2. Remote Monitoring: Solis inverters are compatible with mobile apps and online platforms for remote monitoring. This feature allows users to track their solar system’s performance in real time, allowing for easy troubleshooting and system optimisation.
3. Smart Protection Features: Solis inverters have built-in protections against common issues like overvoltage, short circuits, and temperature fluctuations. These features help ensure the safety and longevity of your solar system.
4. Hybrid Inverter Models: Solis offers hybrid inverters that combine solar energy generation with energy storage, making them ideal for users who want to store excess energy in batteries for later use.

Single Phase Inverters

Solis offers a wide range of single-phase inverters ideal for small to medium-sized homes in Sydney and across Australia. Single-phase inverters are designed to work with standard residential electrical systems, delivering smooth and efficient energy conversion. Models like the Solis 3.0kW and Solis 5.0kW are popular choices for households aiming to maximise solar generation while keeping installation costs low. Their simple design, compact size, and easy monitoring make them perfect for typical home solar setups.

Three Phase Inverters

For larger homes, businesses, or properties requiring higher energy loads, Solis provides a selection of three-phase inverters. These inverters are built to handle the demands of larger solar systems and ensure stable energy flow across all phases. Models such as the Solis 10kW and Solis 20kW are designed specifically for three-phase installations, offering high efficiency, superior performance, and seamless integration with advanced monitoring systems. Choosing a three-phase Solis inverter ensures your larger system operates at its highest potential.

Solis’s Warranty Offer for Australian Customers

A key highlight of Solis inverters is their exceptional warranty coverage. Solis provides an industry-leading warranty of up to 10 years for its inverters in Australia. This warranty coverage ensures that users can have peace of mind, knowing that their inverter is protected from defects and malfunctions for an extended period.

The warranty also covers parts and labor, which means that if your Solis inverter goes wrong, you won’t be left footing the bill for repairs. This extended warranty is a testament to the brand’s confidence in the durability and quality of its inverters.

Pros and Cons of Solis Inverters

Pros:

1. Cost-Effective: Solis inverters are priced more affordably than many premium competitors, making them accessible to a broader range of customers.
2. High Efficiency: Solis inverters deliver efficiency rates as high as 99%, optimising your solar system’s performance to its fullest potential.
3. Long Warranty: The 10-year warranty offers peace of mind for long-term solar system performance.
4. Remote Monitoring: Users can track system performance via apps and web platforms, making maintenance and troubleshooting easier.
5. Versatile Range: Solis offers hybrid and string inverter models, catering to various residential and commercial needs.

Cons:

1. Limited Brand Recognition: While Solis is growing in popularity, it doesn’t have the same brand recognition as some more established names like SMA or Fronius.
2. Support Infrastructure: While Solis offers customer support, some users have reported longer response times than other premium brands.

Comparison: Solis Solar Inverter Specifications (Common Models)

To help you make an informed decision, here’s a brief comparison of some of the most popular Solis inverter models:

Where to Buy Solis Inverters in Sydney?

Finding a reputable supplier is key when purchasing a Solis solar inverter. In Sydney, several trusted solar companies specialise in installing Solis inverters. However, Solar National provides free consultations for professional installation and ongoing support. When choosing a solar company in Sydney, selecting one with a solid reputation for quality service and customer satisfaction is essential.

Solis vs Fronius vs Sungrow vs Huawei — Which Inverter is Best for Sydney Homes?

If you are comparing solar inverters for your Sydney home, here is an honest side-by-side comparison of the most popular options in Australia .

Solar National’s Verdict

Solis is our recommended choice for Sydney homeowners who want reliable, efficient performance without the premium price tag of Fronius or SMA. For clients who already have Sungrow panels, the Sungrow inverter integrates seamlessly. For clients who want the latest AI-driven smart energy management, Huawei’s FusionSolar system is worth considering — though at a higher cost.

If budget is your primary concern, Solis consistently delivers strong value for money. We have installed many Solis systems across Sydney and have found them to perform reliably in our local conditions.

Conclusion: 

In conclusion, Solis solar inverters offer excellent value for money, making them a top choice for homeowners and businesses in Sydney. They provide high efficiency, long warranties, and user-friendly features that set them apart from other brands. While Solis may not be the most premium option available, its performance and affordability make it a solid contender in the solar energy market.

Solis is undoubtedly worth considering if you are looking for a reliable, cost-effective solar inverter for your system. Pairing a Solis inverter with solar batteries in Sydney can help maximise your energy savings and reduce your reliance on the grid. By selecting a reputable solar company in Sydney to handle the installation and upkeep of your system, you’ll be able to experience the long-term advantages of renewable energy fully. Head over to Solar National to begin your solar energy transition today!

Frequently Asked Questions:

Q:  Is Solis a reliable solar inverter brand for Australian conditions?

A:  Yes. Solis has been shipping inverters to Australia for over 13 years and is the 3rd largest PV inverter manufacturer globally. Their inverters are designed and tested for high-heat environments and comply with Australia’s AS/NZS 4777 grid standards. Solar National has installed many Solis systems across Sydney and found them to perform reliably in local conditions.

Q:  What is the efficiency of a Solis inverter?

A:  Solis inverters achieve average efficiencies of 96.5% to 97.1% for single-phase string models, and up to 98.7% for three-phase models (S5-GR3P series). Importantly, Solis bases its efficiency data on real-world conditions rather than ideal lab conditions — so the numbers you see reflect what you can actually expect.

Q:  How long is the Solis inverter warranty in Australia?

A:  Solis provides a standard 10-year product warranty in Australia, which covers manufacturing defects and component failures. You can also register online at solisinverters.au to receive an additional 5 years of warranty coverage, taking your total coverage to 15 years. Solar National’s own workmanship warranty adds an extra layer of protection.

Q:  Can a Solis inverter work with a battery storage system?

A:  Yes. Solis produces a range of hybrid inverters (S6-EH1P for single-phase, S6-EH3P for three-phase) that are designed to work with battery storage. Unlike some brands that lock you into their own battery, Solis hybrid inverters are compatible with a wide variety of battery brands. Contact Solar National to confirm which battery options pair best with a Solis hybrid inverter for your home.

Q:  Does a Solis inverter qualify for Australian government solar rebates?

A:  Yes. Solis inverters are CEC-approved, which means they are eligible for the Australian federal solar rebate (Small-scale Technology Certificates / STCs). The amount you receive depends on your system size and location. Solar National calculates your exact rebate entitlement as part of your free quote.

Q:  How do I monitor my Solis inverter?

A:  Solis inverters use the SolisCloud monitoring platform, which is free and included with every inverter. You can access real-time energy data, historical trends, and system alerts via the SolisCloud mobile app (iOS and Android) or through the desktop dashboard. Solar National configures SolisCloud during installation — no setup required on your end.

Q:  What size Solis inverter do I need for my Sydney home?

A:  For most Sydney homes, a single-phase Solis S6-GR1P in the 5–6 kW range suits a typical 6.6 kW solar system. Larger homes or those with a three-phase grid connection may require a three-phase model. Solar National conducts a detailed assessment of your energy usage, roof space, and grid connection before recommending the correct inverter size — ensuring you get maximum value.