Solar System for Warehouse and Factories


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Can you install a solar system in big factories or warehouses where roof temperature is very high? What if it is situated in an area where the nearby factories are emitting high-temperature gas?

Is it possible to install a solar system at factories or warehouses with high roof temperature? That’s a good question. It may sound like a contradiction, but the efficiency of solar panels reduces as the temperature rises.

Indeed, even if the problem is not because of your factory or warehouse, but because it is located in an area where the nearby factories are emitting hot gases at very high temperatures, that could have an impact on the efficiency of the solar system.

The fact is photovoltaic modules are severely tested at high temperatures of 40 °C  to 45 °C, which is common in Gujarat, especially in summer.

Such high temperatures can reduce the efficiency of the solar panels by 10 to 15%. When the temperatures increase, the voltage output goes down. This is something that happens every time and is predictable.

 So many solar companies have found a way around this in Gujarat. Let’s discuss how they deal with it.

 First, the solar engineer determines the tolerance of the panel to the heat by considering the data sheet provided by the manufacturer. They look at something called “temperature coefficient (Pmax)” which is the highest power temperature coefficient. 

The Pmax tells you about the power the solar panel could lose when the temperature increases by 1°C above 35°C or any Standard Test Condition temperature set at your place.

With every increase in temperature by 1°C over 35°C you can expect a certain fall in the maximum power of the solar panel. So how do you reconcile with this?

The solar engineer takes steps to reduce the effects of heat. They first install panels just a few inches over the roof to permit convective air flow in order to cool the panels down.

They make sure that the panels are built with light colored materials, which helps reduce the absorption of heat.

They then make sure that critical components like inverters and combiners are moved into the shaded area within the building or factory.

If want to know more about commercial solar installation and how solar companies handle various problems that crop up, do contact us. We are also happy to provide you with quotes from the 3 best solar companies in your area.