Business

Optimizing Tilt & Tracking in Solar Energy Systems

Solar panels work best when they capture the maximum amount of sunlight. But sunlight’s position in the sky changes throughout the day and year. That’s where tilt and tracking come into play. By optimizing these two factors, you can significantly boost the energy output of your solar power system.

Play Video

What is Tilt in Solar Panels?

“Tilt” refers to the angle at which your solar panels are positioned relative to the ground.

• Fixed tilt: Panels are installed at a single angle.
• Adjustable tilt: The angle can be manually adjusted a few times per year.

Why Tilt Matters

The Earth’s tilt and your location’s latitude affect how sunlight hits your panels. The right tilt angle ensures your panels receive the most direct sunlight, which translates to higher energy generation.

Quick Tip:

• For year-round efficiency, set your panel tilt close to your location’s latitude.
• Increase the tilt slightly in winter and decrease it in summer if adjustable.

What is tracking in solar panels?

Tracking systems let panels follow the sun’s path across the sky.

• Single-axis tracking: panels move from east to west during the day.
• Dual-axis tracking: panels adjust both horizontally and vertically to track the sun’s position throughout the day and year.

Benefits of Tracking

• Higher Energy Yield: Single-axis tracking can increase energy output by 10–25%, while dual-axis tracking can boost it by up to 35–40%.
• Better Return on Investment: More electricity from the same system size means faster payback.

Tilt vs. Tracking: Choosing the Right Option

• Small residential systems: Fixed or adjustable tilt often makes sense.
• Large commercial/utility-scale systems: Tracking is usually more cost-effective due to higher output.

Best Practices for Optimizing Tilt & Tracking

• Analyse Local Solar Data: Use solar maps or tools like PVGIS or NREL to find the best tilt and sun path.
• Consider Seasonal Adjustments: If your mounting allows, adjust tilt two or three times a year.
• Evaluate Costs vs. Gains: Tracking adds upfront costs and maintenance but can yield much higher production.
• Account for Shading & Space: Ensure no objects (trees, buildings) cast shadows on moving panels.