When investing in solar energy, it’s easy to focus on the panels themselves, but the angle and direction they’re installed at can make or break your system’s performance. At ATSolar, we believe every detail counts, especially when it comes to maximising sunlight in South Africa’s unique climate.

Direction: North Is Best

South Africa lies in the Southern Hemisphere, which means the sun travels across the northern part of the sky. To capture the most sunlight throughout the day, solar panels should face north. This orientation ensures consistent exposure from morning to evening, boosting energy yield and system efficiency.

Tilt Angle: Match Your Latitude

The ideal tilt angle depends on your location:

• In Johannesburg, a tilt of around 26–30° is optimal
• Coastal areas like Cape Town may benefit from a slightly lower angle
• Adjustable mounts can help fine-tune performance seasonally

This angle helps panels absorb sunlight more directly, especially during peak hours, and improves year-round output.

Roof vs Ground Mounts

• Roof-mounted systems are common and space-efficient, but roof slope and material affect performance
• Ground-mounted systems offer flexibility in angle and direction, often yielding higher efficiency, but require space and permits

Maintenance Matters

Even perfectly positioned panels need care:

• Regular cleaning prevents dust and debris from reducing output
• Annual inspections ensure mounts remain secure and angles stay true

Compliance & Local Regulations

Proper positioning isn’t just about performance, it’s about safety and compliance. We follow SANS 10142-1 standards and local zoning laws to ensure your system is certified and protected.

At ATSolar, we don’t just install panels—we optimise your power.

From site analysis to final inspection, we ensure every panel is placed with purpose. Because when it comes to solar, the right angle isn’t just technical, it’s transformational.

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