Powering Large-Scale Solar Projects with Maximum Efficiency
As the global demand for clean and renewable energy continues to grow, utility-scale and commercial solar projects require advanced technologies that deliver high efficiency, long-term reliability, and intelligent energy management. The Hoymiles 350kW Grid-Connected PV Inverter (HINV350HX-G2) is designed to meet these demands by providing exceptional power conversion efficiency, robust safety features, and smart monitoring capabilities.
Whether you’re developing a large solar farm, an industrial rooftop installation, or a commercial photovoltaic (PV) system, the Hoymiles HINV350HX-G2 offers the performance and durability needed to maximize energy production while reducing operational costs. At Sun Solista, we proudly offer genuine Hoymiles solar solutions to help businesses and project developers build efficient and sustainable solar power systems.
What is the Hoymiles 350kW Grid-Connected PV Inverter?
The Hoymiles HINV350HX-G2 is a high-capacity string inverter specifically engineered for utility-scale and large commercial solar applications. Designed for modern 1500V DC photovoltaic systems, it efficiently converts DC electricity generated by solar panels into grid-compatible AC power.
Unlike conventional inverters, the HINV350HX-G2 combines intelligent monitoring, multiple MPPT technology, advanced protection systems, and high conversion efficiency in a compact and durable design. This allows solar plant operators to generate more electricity while maintaining stable and reliable system performance.
With a rated output of 350kW, the inverter is ideal for projects where high energy production, system flexibility, and low maintenance costs are top priorities.
Key Features of Hoymiles HINV350HX-G2
1. High Power Output
The Hoymiles HINV350HX-G2 delivers 350kW of rated AC output power, making it suitable for utility-scale solar farms, industrial plants, and large commercial buildings. Its high-capacity design helps reduce the number of inverters required for large installations, simplifying system design and lowering installation costs.
2. Industry-Leading Efficiency
Efficiency plays a critical role in determining the profitability of any solar project. The HINV350HX-G2 achieves a maximum efficiency of up to 99.05%, ensuring that more solar energy is converted into usable electricity with minimal power losses.
Higher efficiency results in:
- Increased energy generation
- Improved project returns
- Reduced electricity losses
- Better long-term system performance
3. Six Independent MPPTs
The inverter features 6 independent Maximum Power Point Trackers (MPPTs), enabling each solar array to operate at its optimal power point.
Benefits include:
- Better performance under partial shading
- Higher energy production
- Flexible system design
- Improved compatibility with different panel orientations
Multiple MPPTs are especially valuable in complex solar installations where arrays may receive varying levels of sunlight throughout the day.
4. 1500V DC System Architecture
The HINV350HX-G2 supports 1500V DC systems, which have become the preferred choice for modern utility-scale solar projects.
Advantages include:
- Reduced cable losses
- Lower installation costs
- Fewer combiner boxes
- Improved system efficiency
- Lower Balance of System (BOS) costs
The 1500V design helps developers maximize project profitability while minimizing infrastructure expenses.
5. Wide Operating Temperature Range
Designed to perform in extreme weather conditions, the inverter operates reliably in temperatures ranging from -30°C to +60°C.
This makes it suitable for:
- Hot desert climates
- Tropical environments
- Cold mountainous regions
- Industrial outdoor installations
Reliable operation in harsh conditions ensures continuous energy production throughout the year.
6. IP66 Protection Rating
Outdoor solar equipment must withstand dust, rain, humidity, and harsh environmental conditions. The Hoymiles HINV350HX-G2 comes with an IP66-rated enclosure, offering superior protection against water and dust ingress.
This durable design ensures:
- Longer equipment life
- Reliable outdoor performance
- Reduced maintenance requirements
- Better protection against environmental damage
7. Intelligent Monitoring System
Modern solar plants require real-time monitoring to maximize performance. The HINV350HX-G2 includes advanced monitoring functions that provide detailed information about system performance.
Operators can easily monitor:
- Power generation
- Inverter status
- Fault detection
- Performance analysis
- Operational history
Smart diagnostics enable faster troubleshooting, reducing downtime and maintenance costs.
8. Advanced Grid Support
As grid requirements become increasingly sophisticated, the Hoymiles HINV350HX-G2 is designed to comply with modern grid standards.
Its advanced grid support capabilities help ensure:
- Stable power delivery
- Reliable grid integration
- Fast response to grid events
- Improved power quality
These features make the inverter suitable for utility-scale solar projects connected to national and regional power grids.

Technical Specifications
| Specification | Details |
|---|---|
| Product Model | Hoymiles HINV350HX-G2 |
| Rated Output Power | 350kW |
| Maximum AC Output Power | 352kW |
| Maximum Efficiency | 99.05% |
| European Efficiency | 98.8% |
| Number of MPPTs | 6 |
| MPPT Voltage Range | 500V–1500V |
| Maximum PV Input Current | 75A per MPPT |
| DC System Voltage | 1500V |
| Protection Rating | IP66 |
| Operating Temperature | -30°C to +60°C |
| Application | Utility Scale & Commercial Solar Projects |
Applications
The Hoymiles 350kW Grid-Connected PV Inverter is suitable for a wide range of solar installations, including:
- Utility-scale solar farms
- Commercial & Industrial (C&I) projects
- Manufacturing facilities
- Solar parks
- Government solar projects
- Institutional solar systems
- Mega rooftop installations
- Large warehouses
- Logistics centers
- Agricultural solar projects
Its flexibility and high power capacity make it an excellent choice for developers seeking reliable long-term performance.
Benefits of Choosing Hoymiles HINV350HX-G2
Investing in the Hoymiles 350kW inverter provides numerous advantages:
- High energy conversion efficiency
- Lower operating costs
- Reduced maintenance requirements
- Reliable performance in harsh environments
- Intelligent monitoring and diagnostics
- Flexible system design
- Advanced safety protection
- Excellent grid compatibility
- Long operational life
- Higher return on investment
These benefits contribute to lower lifecycle costs and improved profitability for solar project owners.
Why Choose Sun Solista?
At Sun Solista, we are committed to providing premium solar products and professional support for commercial and utility-scale projects. As a trusted solar solutions provider, we help customers select the right equipment for their energy needs.
Our services include:
- Genuine Hoymiles solar products
- Expert technical consultation
- Utility-scale project support
- System design guidance
- Competitive pricing
- Professional customer service
- Installation assistance
- After-sales technical support
Our experienced team ensures that every customer receives reliable products backed by industry expertise.
Conclusion
The Hoymiles 350kW Grid-Connected PV Inverter (HINV350HX-G2) is an advanced solution for utility-scale and commercial photovoltaic systems. With 350kW output power, 99.05% maximum efficiency, 6 independent MPPTs, 1500V DC architecture, IP66 protection, and a wide operating temperature range of -30°C to +60°C, it delivers outstanding performance for demanding solar applications.
Whether you are planning a new solar power plant or upgrading an existing installation, this inverter offers the reliability, efficiency, and intelligent features required to maximize energy production and ensure long-term operational success.
Partner with Sun Solista to explore the complete range of Hoymiles solar solutions and receive expert guidance for your next commercial or utility-scale solar project.

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