Designing solar mounting structures requires careful consideration of structural loads, material selection, and environmental conditions. A well-designed system ensures stability, durability, and long-term performance of solar installations.
This guide explains the basics of solar mounting structure design and how to select the right materials and configurations.


Why Structural Design is Important in Solar Systems
Solar mounting systems must support panels safely for 20–30 years while exposed to outdoor conditions.
Key design considerations:
- Wind loads
- Dead loads (panel weight)
- Environmental exposure
- Structural stability
Proper design ensures safety, performance, and cost efficiency.
Understanding Load Requirements in Solar Structures
Solar structures must be designed to handle different types of loads:
- Dead load → weight of panels and structure
- Wind load → pressure from wind forces
- Live load → maintenance or temporary loads
Load calculations determine the type and size of steel required.
Common Materials Used in Solar Mounting Structures
Typical materials include:
- Galvanized steel
- Aluminium
- Structural steel sections
C channels are widely used due to their flexibility and strength. Explore our C channel steel for solar mounting systems.
Importance of Galvanization and Coating
Solar structures are exposed to harsh outdoor conditions.
Galvanization provides:
- Corrosion resistance
- Extended lifespan
- Reduced maintenance
We supply galvanized steel coil for structural and outdoor applications.
Types of Solar Mounting Structures
Different systems require different designs:
Ground-mounted systems:
- Larger structures
- Higher load requirements
Rooftop systems:
- Lightweight structures
- Easier installation
Carport and custom systems:
- Complex structural design
- Mixed materials
C Channel vs Other Sections in Design
C channel is commonly used because:
- Easy to assemble
- Suitable for modular designs
- Cost-effective
Other options include RHS and SHS. Explore more in our structural steel sections guide.
Key Factors When Designing Solar Structures
Before finalizing design:
- Site location and wind conditions
- Soil and foundation type
- Material selection
- Budget constraints
A balanced design ensures both safety and cost efficiency.
What Buyers Should Consider
When sourcing materials:
- Structural requirements
- Coating and durability
- Supplier capability
- Delivery timelines
Working with experienced suppliers ensures project success.
Speak to CoreMet Steel
CoreMet Steel supplies structural and galvanized steel for solar mounting systems worldwide.
Contact CoreMet Steel for:
Solar structure steel supply
- C channels and structural sections
- Galvanized steel products
- Global delivery solutions
Guidance on inspection documents and certification standards is provided by organisations such as the British Standards Institution (BSI), which oversees the adoption of EN standards in the UK.

