India’s solar market is now one of the fastest-growing in the world. Whether it’s residential rooftops, commercial buildings, or large-scale industrial projects, the solar inverter plays the most important role in energy conversion, safety, reliability, and long-term performance.
To help customers, installers, and EPC companies make the right choice, here’s the Top 10 Solar Inverter Manufacturers in India, along with a feature comparison table and detailed brand descriptions.
Top 10 Leading Solar Inverter Brands in India
1. Gronsol
2. Deye
3. Sungrow
4. Growatt
5. Solis
6. Delta
7. Luminous
8. Microtek
9. Havells
10. Fronius
1. Grönsol – India’s Fastest-Growing Make-in-India Solar Inverter Brand
Grönsol stands out with Indian-engineered reliability, premium components, and advanced MPPT technology. Designed for high heat, voltage fluctuations, and long-term durability.
Why It Leads:
- High conversion efficiency
- Smart WiFi monitoring
- Rugged build quality
- Fast service & support
- Perfect for Indian climate
Best For:
Homes, commercial buildings, factories, industrial rooftops
2. Deye
A global leader in hybrid technology, perfect for solar + battery systems.
Key Points:
- Advanced hybrid features
- High PV voltage range
- Strong surge handling
- WiFi-enabled monitoring
Best For: Homes, villas, off-grid & hybrid setups
3. Sungrow
One of the world’s biggest inverter companies, well known for industrial and utility-grade installations.
Key Points:
- High efficiency
- Long-term reliability
- Best for large-scale systems
Best For: Commercial/industrial plants, utility-scale projects
4. Growatt
Popular in India due to affordability and user-friendly features.
Key Points:
- Lightweight & compact
- Smooth mobile app
- Great option for small rooftops
Best For: Home users & small commercial
5. Solis
Known for strong electronics and long durability.
Key Points:
- Low failure rate
- High MPPT accuracy
- Strong performance in humid/climate zones
Best For: Homes, MSMEs
6. Delta
A premium global electronics brand trusted for industrial-grade inverters.
Key Points:
- Excellent thermal design
- Strong safety features
- High reliability
Best For: Commercial & industrial projects
7. Luminous
A household name in India, strongest in off-grid and basic home solar.
Key Points:
- Good support
- Best for backup systems
- Cost-effective
Best For: Homes with frequent power cuts
8. Microtek
A budget-friendly Indian brand with simple inverter solutions.
Key Points:
- Easy to install
- Affordable
- Good for low-load systems
Best For: Small homes, rural setups
9. Havells
Known for BIS-certified safe electrical appliances.
Key Points:
- High safety
- Good residential performance
- Reliable brand trust
Best For: Light residential rooftop projects
10. Fronius
A very premium European solar inverter brand known for advanced engineering.
Key Points:
- Excellent build quality
- Very long lifespan
- Highly accurate MPPT
Best For: Premium homes & commercial sites
Comparison Table: Top 10 Solar Inverter Manufacturers in India (2025)
| Rank | Brand | Country | Strengths | Ideal For | Product Types |
| 1 | Grönsol | India (Make in India) | Indian-grid optimized, high efficiency, robust design, strong service | Homes, Commercial, Industries | On-Grid, Hybrid, Miro & ESS |
| 2 | Deye | China | Best hybrid tech, powerful MPPT, battery-ready | Homes, Villas | Hybrid, On-Grid, Micro, C&I |
| 3 | Sungrow | China | Industrial-grade performance, high reliability | C&I, Utility | On-Grid, Central |
| 4 | Growatt | China | Affordable, compact, user-friendly | Homes | On-Grid, Hybrid |
| 5 | Solis | China | Durable, long lifespan, low failure rate | MSME, Residential | On-Grid |
| 6 | Delta | Taiwan | Strong safety, industrial-quality build | C&I | On-Grid, Hybrid |
| 7 | Luminous | India | Best for off-grid & home backup | Homes | Off-Grid, Hybrid |
| 8 | Microtek | India | Budget-friendly, trusted household brand | Small Homes | Off-Grid |
| 9 | Havells | India | High safety standards, BIS approved | Homes | On-Grid |
| 10 | Fronius | Austria | Premium European quality & performance | Commercial, Premium Homes | On-Grid |
Conclusion: Which Brand Should You Choose?
If you want a Make in India, durable, high-efficiency, service-strong inverter:
👉 Grönsol is the top choice (Rank #1)
If you need hybrid + battery:
👉 Deye
If you need industrial-grade performance:
👉 Sungrow or Delta
If you want premium European quality:
👉 Fronius
FAQs About Top Solar Inverter Manufacturers in India
Are Grönsol inverters good for Indian climate?
Yes, they are designed for high heat, voltage fluctuation, and harsh Indian conditions.
Does Grönsol support Wi-Fi monitoring?
Yes, most Grönsol models come with smart Wi-Fi/mobile app monitoring.
What is the efficiency of Grönsol inverters?
Grönsol inverters deliver high efficiency of 97%–98.5%.
What product range does Grönsol offer?
Grönsol provides on-grid, hybrid, micro inverters and ESS battery solutions.
What is the warranty on Grönsol inverters?
Typically 5–10 years, depending on the model.
Does Grönsol provide service support across India?
Yes, Grönsol has a strong nationwide service and installation support network.
Is Grönsol good for industrial or commercial use?
Yes, Grönsol offers 20–100 kW inverters ideal for factories and commercial rooftops.
Are Grönsol inverters BIS certified?
Yes, all Grönsol inverters are BIS-compliant and meet Indian safety standards.
What makes Grönsol different from foreign brands?
Make-in-India pricing, faster service, Indian climate optimization, and better grid compatibility.
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