Dual Axis Solar Tracking System Basics: Everything You Need To Know

Do you want to learn everything about a dual axis solar tracking system? If so, you’ve just hit the goldmine of information. 

We will first help you understand what solar trackers are before diving deep into the concept of what a dual axis solar tracking system is. 

Well, a solar tracker is a device that positions the PV modules perpendicular to the Sun in order to help them absorb more solar energy and convert it into electrical energy. 

In other terms, it helps the panels track the solar energy and draw the maximum power required to power up electronic appliances. 

Generally, solar trackers are of two types: a single-axis tracker and a dual axis solar tracker. While the former tracks the sun rays from east to west or north to south, the latter tracks the Sun from all directions: East to West as well as North to South. 

Fascinated by the idea of solar panels adjusting their angles? We’ve discussed everything in detail. Keep reading this blog to understand a dual axis solar tracking system like never before. 

What Is a Dual Axis Solar Tracker? 

The dual axis trackers collect energy from the sun from the East, West, North, and South angles. They function on two axes – ‘primary’ and ‘secondary’. 

One axis helps the solar tracker to move from East to West, and the other helps the tracker to move from North to South. Hence, they are known as ‘dual-axis’ solar trackers. 

You’ll be surprised to know that the dual axis trackers can generate up to 40% more electricity than the unmovable solar panel systems that stay at a fixed position. 

Besides, due to its movement in all directions, a dual axis tracker is quite flexible. Impressive, isn’t it? 

Benefits of a Dual Axis Tracking System 

A device as advanced as a dual axis tracker is bound to have advantages. So, if you’re planning to buy a dual axis solar tracking system, the below-mentioned benefits will help you make an informed decision. Have a look!

• The best part about these trackers is that they move in all directions; they can supply more energy and long hours as they track the Sun’s movement. They do not wait for the sun’s rays to fall on the panels. Instead, the panels follow the Sun across the sky throughout the day. 
• The dual axis solar tracker does not need a lot of space to accommodate. It can adjust in a limited space. 
• If the grid connection supplies limited power, the dual axis solar tracking system provides more energy to compensate for less power. 
• These solar trackers provide more energy – up to 40% – than their static versions. 
• These trackers are ideal in places where it is difficult to get enough solar energy, like uneven ground or stone protrusions. 
• The upfront investment cost needed for the dual-axis solar tracker is bound to pay off. This means that if this device’s investment cost seems high to you as of now, the power it will create will break even the investment cost a lot sooner.  

Limitations of a Dual Axis Solar Tracking System 

Although blessed with many benefits, the dual-axis tracking system does have a few limitations. Make sure you consider the limitations as well before making a buying decision. 

• In case of cloudy weather, the tracking system won’t work as efficiently as expected. 
• The dual axis solar tracking system has a short lifespan because its movable parts can get damaged. 
• The maintenance cost is on the higher side because more components are involved. 
• The design is a little bit complex. Hence, it might be difficult to set up these trackers. So, do not even make a DIY attempt. Rely on professionals only. 

Single Axis or Dual Axis: Which Is Better and Why? 

A common concern that you might have is which solar tracker is better – is it the single-axis solar tracking system or the dual axis solar tracking system? 

Well, both models have their advantages and disadvantages. Here are a few pros and cons of each model. A comparison will make it easy for you. 

Single-axis solar trackers are less complex than dual-axis trackers. Why? Because they have fewer components than the latter. 

So, a single-axis solar tracker gets one point based on the design. This tracker also receives a brownie point for being more cost-effective than dual-axis trackers. 

On the other hand, the dual axis solar tracker is more efficient than the single-axis tracker. More components allow it to draw more energy from different angles. 

So, in terms of efficiency, the dual axis tracker will always steal the race. Besides, a dual axis solar tracking system also gets more goodie points for the kind of flexibility it offers. 

Our verdict? We suggest you make a purchase depending upon your requirement. 

If efficiency matters the most and the area is limited, purchasing a dual-axis solar tracker will be beneficial as it follows the Sun from two axes. 

If budget is the concern, a single axis solar tracker would be better for you. 

Here’s another buying tip: solar trackers aren’t really needed for residential rooftop installations. They’re more worthwhile investments for commercial and industrial solar installations.

Conclusion 

With solar tracking systems being the best option to collect more sunlight, the dual axis solar tracking system is expected to dominate the market in the future due to its high energy output. Although it has a few cons, the pros outweigh them. 

So, if you want to make a quality investment, dual-axis tracking systems are a good choice.  

FAQs 

Q. Are single-axis solar trackers better than dual-axis trackers?

In terms of efficiency and precision, dual-axis trackers are better than single-axis solar trackers. 

But, at the same time, they’re more expensive than the single axis ones.

Q. How does a dual axis solar tracker function?

A dual axis solar tracker works the same way as single-axis trackers; the only difference is that it rotates along both horizontal and vertical axes. 

Q. Is a dual axis solar tracking system costlier than the static panels?

Yes, a dual axis solar tracking system is costlier than static panels. In fact, it’s costlier than the single axis solar trackers too.