Ground Mounted Solar System Installation: 9 Important Factors to Know
Ground-mounted solar systems are becoming an increasingly popular choice for commercial, industrial, agricultural and large-scale solar projects. When sufficient open land is available, a ground-mounted installation can provide flexibility in panel arrangement, orientation, tilt angle and system expansion.
However, successful Ground Mounted Solar System installation requires careful planning before the solar panels and mounting structures are installed. Factors such as land availability, soil conditions, sunlight, shading, wind load, foundation design, drainage and maintenance access can directly affect the performance and durability of the solar project.
What Is a Ground Mounted Solar System?
A ground mounted solar system is a photovoltaic installation where solar panels are supported by a mounting structure fixed to the ground rather than installed on a building rooftop.
Ground-mounted solar structures are commonly used for:
- Commercial solar projects
- Industrial solar plants
- Utility-scale solar installations
- Agricultural applications
- Large open-land solar projects
- Solar projects with limited rooftop space
1. Evaluate the Available Land
Land availability is one of the first considerations when planning a ground mounted solar system.
The required area depends on several factors, including:
- Solar plant capacity
- Solar module dimensions
- Panel configuration
- Row-to-row spacing
- Tilt angle
- Site layout
- Maintenance pathways
- Electrical equipment
- Future expansion requirements
The land should provide enough usable space not only for the solar panels but also for access roads, maintenance areas, inverters, cables and other required equipment.
2. Analyse Soil and Ground Conditions
The mounting structure transfers the load of solar modules and environmental forces to the foundation. Therefore, understanding the characteristics of the soil helps determine the appropriate foundation and structural configuration.
Important soil considerations include:
- Soil type
- Soil bearing capacity
- Soil density
- Groundwater conditions
- Rock formations
- Soil corrosion potential
- Ground slope
3. Check Sunlight and Shading
Solar panels require adequate exposure to sunlight for efficient energy generation.
Before installing a ground mounted solar system, the site should be assessed for possible shading from:
- Trees
- Buildings
- Transmission structures
- Nearby installations
- Other solar panel rows
- Permanent site obstacles
4. Select the Right Tilt and Orientation
The orientation and tilt angle of solar panels can influence energy generation.
The suitable panel angle depends on factors such as:
- Project location
- Solar radiation
- Module technology
- Site conditions
- Energy generation objectives
- Seasonal requirements
5. Consider Wind Load and Environmental Conditions
Ground-mounted solar structures are exposed directly to wind and other environmental conditions. Wind load is therefore an important factor during structural design.
The project should consider:
- Local wind speed
- Wind direction
- Terrain characteristics
- Rainfall
- Temperature variations
- Environmental exposure
- Site-specific structural loads
6. Choose the Appropriate Mounting Structure and Foundation
The mounting structure is one of the most important components of a ground-mounted solar project.
The right ground mounted solar structure depends on:
- Project size
- Module configuration
- Soil conditions
- Terrain
- Wind load
- Foundation requirements
- Installation method
- Maintenance requirements
7. Plan Drainage and Water Management
Water accumulation can affect foundations, cables and electrical equipment if drainage is not properly planned.
Before installation, evaluate:
- Natural water flow
- Rainfall levels
- Ground elevation
- Flooding risk
- Waterlogging
- Existing drainage systems
8. Ensure Easy Maintenance and Accessibility
Ground-mounted solar installations generally provide easier access to solar panels and supporting equipment compared with many rooftop installations.
However, accessibility should be considered during the initial design stage.
The layout should provide suitable space for:
- Solar panel cleaning
- Routine inspections
- Structure maintenance
- Cable inspection
- Electrical equipment servicing
- Component replacement
- Maintenance vehicles where required
9. Consider Future Expansion
If future expansion is expected, the initial ground-mounted solar layout should consider the possibility of adding more capacity.
Plan space for:
- Additional solar modules
- Mounting structures
- Inverters
- Transformers
- Cable routes
- Electrical equipment
- Access roads
- Maintenance areas
Benefits of a Well-Planned Ground Mounted Solar System
Better Site Flexibility
Ground-mounted systems provide greater flexibility in arranging solar modules according to the available land and project requirements.
Easier Maintenance Access
Technicians can generally access ground-mounted panels and structures more easily for cleaning, inspection and maintenance.
Flexible Structural Design
Ground mount solar structures can be designed according to project-specific requirements, including module configuration, terrain and environmental loads.
Suitable for Large Solar Projects
Ground-mounted systems are particularly suitable where large areas of open land are available for commercial, industrial or utility-scale solar projects.
Scope for Future Expansion
A well-planned site can provide space for additional solar capacity as electricity requirements increase.
Why Choose SOLNXT Energy for Ground Mounted Solar Structures?
SOLNXT Energy provides solar mounting structure solutions for different types of solar installations.
Its ground-mounted solutions include:
The right mounting solution can be selected according to project requirements such as terrain, module arrangement, structural loads and installation condition
Frequently Asked Questions (FAQs)
1. What is a ground mounted solar system?
A ground mounted solar system is a solar PV installation where solar panels are installed on a structural framework fixed to the ground instead of a rooftop.
2. What factors should be considered before ground mounted solar system installation?
Important factors include land availability, soil condition, sunlight, shading, panel orientation, tilt angle, wind load, foundation, drainage, accessibility and future expansion.
3. Is soil testing important for a ground mounted solar system?
Yes. Soil assessment helps determine ground conditions and supports the selection of a suitable foundation and mounting structure.
4. Which mounting structure is suitable for a ground-mounted solar project?
The appropriate structure depends on project requirements, soil conditions, terrain, module configuration, wind loads and installation requirements. Single Post, Double Post and Seasonal Tilt systems can be considered for different applications.
5. Can ground-mounted solar systems be installed on uneven land?
Yes. Ground-mounted solar structures can be designed for different terrain conditions. However, site slope, soil characteristics and foundation requirements should be evaluated before installation.