As solar energy becomes more mainstream, the demand for high-quality, reliable solar inverters is rising. Among the top contenders in the global solar inverter market are Solis and Growatt—both Chinese brands known for their innovation, affordability, and solid performance. But which one is the better choice for your solar system?
Let’s break down the key differences and help you decide between Solis and Growatt inverters.
Brand Overview
Growatt
- Founded: 2010, Shenzhen, China
- Specialty: Residential, commercial, and energy storage inverters
- Presence: 180+ countries, strong in Europe, Asia, and Africa
- Certifications: TUV, CE, UL, CEC, and more
Growatt is widely regarded as one of the most popular inverter brands in the world. Known for its sleek design and smart monitoring, it has ranked among the top 3 global suppliers of residential solar inverters (source: Wood Mackenzie).
Solis (Ginlong Technologies)
- Founded: 2005, Ningbo, China
- Specialty: Residential, commercial, and utility-scale inverters
- Presence: 100+ countries, with strong roots in Europe and Australia
- Certifications: CE, TUV, UL1741, G98/G99 (UK), etc.
Solis inverters are known for their robust performance, especially in hot climates. Moreover, they’re trusted for their high-efficiency output and cost-effectiveness, particularly in the commercial segment.
Performance & Efficiency
| Feature | Growatt | Solis |
|---|---|---|
| Efficiency (Max.) | 98.4% (e.g., Growatt MIN series) | 98.7% (e.g., Solis 5G series) |
| MPPT Trackers | Dual MPPT (most models) | Dual or more (depending on size) |
| Cooling System | Natural convection, fanless design | Natural & forced air cooling |
| Monitoring | WiFi, ShinePhone App, web portal | WiFi, SolisCloud App, web portal |
- Winner in Efficiency: Solis (slightly higher efficiency in certain models)
- Winner in Smart Monitoring: Growatt (intuitive interface and wide integration)
Reliability & Build Quality
Both brands are known for their robust build, but:
- Growatt inverters have a modern, compact design suitable for residential rooftops.
- Solis offers excellent heat management and performs well in high-temperature zones like the Middle East or southern Asia.
Their inverters are IP65-rated (dust and water resistant), making them suitable for indoor and outdoor installation.
- Tie in hardware reliability.
Global Support & Warranties
| Brand | Standard Warranty | Extended Warranty Options | Global Support |
|---|---|---|---|
| Growatt | 5 years | Up to 15–20 years | Excellent |
| Solis | 5 years | Up to 20 years | Very Good |
Both offer strong technical support, but Growatt has a slight edge in terms of international service centers and after-sales support in regions like Africa, Asia, and Europe.
- Winner: Growatt (better global service network)
Pricing & Value for Money
While Growatt is often slightly more expensive, it compensates with richer features such as AFCI (arc fault protection), smart home compatibility, and hybrid battery support in many models. On the other hand, Solis remains more budget-friendly, particularly for small-scale and grid-tied systems.
- Winner for Budget Installations: Solis
- Winner for Smart Features: Growatt
Popular Models to Compare
| Growatt Model | Solis Model | Notes |
|---|---|---|
| Growatt MIN 5000TL-X | Solis 5G 5KW | Residential, dual MPPT |
| Growatt MOD 10KTL3-X | Solis 3P10K-4G | Commercial, 3-phase |
| Growatt SPF 5000 ES | Solis RHI 5K-48ES | Hybrid inverters with battery input |
Final Verdict: Which One Should You Choose?
| Use Case | Recommended Brand |
|---|---|
| Residential with battery | Growatt |
| Budget residential on-grid | Solis |
| Commercial-scale plant | Solis |
| Advanced smart monitoring | Growatt |
| High-temperature environments | Solis |
Solis vs Growatt | Which Is Better 2025 Conclusion
Both Solis and Growatt offer reliable, efficient, and affordable solar inverters. If you’re looking for smart, hybrid-ready systems with top-tier monitoring and global support, these are your best choice.
In the end, the best inverter for you depends on your specific energy goals, system size, and budget.
Need help choosing the right inverter for your project?
We offer exclusive pricing and technical support for both Solis and Growatt inverters. Reach out today!
