SOLAR
SOLAR PANEL MOUNTING & PHOTOVOLTAIC SYSTEMS
Aluminium extrusions provide the lightweight, corrosion-resistant structural framework for solar panel mounting systems, racking structures, and balanceof-system components. These profiles must balance structural strength to withstand wind loads, seismic forces, and snow accumulation with lightweight construction to minimize installation costs and support loads. Applications include rooftop residential systems, commercial ground mounted arrays, utility-scale solar farms, and integrated building integrated photovoltaics (BIPV) systems.
Typical Aluminium Alloys Used
- 6xxx Series (6063, 6061, 6082) : Standard for mounting rails and structural frames; chosen for optimal strength-to-weight ratio and excellent extrusion consistency.
- 5xxx Series (5083, 5052) : Marine-grade options for coastal installations requiring superior seawater corrosion resistance.
- T5/T6 heat treatment : Provides appropriate strength without requiring post-extrusion annealing.
Design Considerations
- Thermal expansion coefficient optimization to prevent micro-cracking of solar cells
- Waterproofing and drainage channel integration
- Modular design for variable array configurations
- Corrosion-resistant fastening systems (stainless steel or hot-dip galvanized components)
Market Outlook : Solar mounting profile market growing at 15-18% CAGR
globally, with India and African markets growing at 20%+ annually through
2030.