As global photovoltaic (PV) installations continue to grow, the structural design of photovoltaic mounting systems is becoming a decisive factor for long-term safety, performance, and return on investment.

Based on recent engineering research and real project applications, several key insights stand out when selecting and designing a solar mounting structure.

1️⃣ Matching Mounting Structure to Application Scenario
PV mounting systems should be selected according to installation location and load conditions:

• Rooftop solar mounting systems (concrete roof, metal roof, tile roof) commonly adopt rigid rail structures.

• Ground-mounted solar structures require higher adaptability to terrain and foundation conditions.

• Large-span applications such as agricultural PV, fishery PV, or wastewater plants increasingly use flexible cable-supported mounting systems.

2️⃣ Rigid vs. Flexible PV Mounting Systems

• Rigid PV mounting structures offer clear force paths and mature design methods, suitable for most distributed PV projects.

• Flexible photovoltaic mounting systems (cable truss, suspension cable, tensioned structures) reduce steel consumption and adapt well to large spans—but require strict control of wind load, deformation, and prestress loss.

3️⃣ Structural Design Is Not Only About Strength
Reliable PV mounting design must consider:

• Wind load and snow load (25-year return period)

• Deformation control to prevent module micro-cracks

• Compatibility with existing building structures

• Long-term durability for a 25-year service life

4️⃣ Engineering Practice Proves the Value of Proper Selection
In practical projects, correct mounting structure selection significantly improves:

• Structural safety

• Installation efficiency

• Lifecycle performance of PV modules

Conclusion
A well-designed solar mounting system is not just a supporting component—it is a critical engineering system that directly affects energy yield, safety, and system lifespan.

As PV projects move toward larger scale and more complex scenarios, professional mounting structure design is becoming increasingly essential.