solar energy

Are Warmer Regions Better for Solar Energy Usage?

We know that solar power is harnessed using Solar Photovoltaic (PV) technology that converts sunlight or solar radiations into electricity by using in-built semiconductors. Another known fact is that 430 quintillion Joules of energy from the sun reaches the earth every hour, which is way more than what we consume in a year. But these facts lead us to believe in a misconception that the stronger the sunlight the better the solar energy generated. This is not an accurate assumption because solar panels use daylight energy for electricity generation, they’re not dependent on direct sunlight. Solar panels, in contemporary times, are designed in such a way that an in-built system of lenses and mirrors captures different parts of the solar spectrum. Science had led to such technological advancements, which have helped us to use solar energy in every climate irrespective of the location.

Today, solar energy has become a highly dependable form of energy in colder regions but there are certain problems that the cold climate may pose to electricity generation:

  • The angle of the panel may need regular adjustments to capture more light
  • Accumulated snow has to be cleaned constantly to avoid blockage of sunlight
  • Cloudy days may also lead to lesser sunlight

Another misconception that people have is about the lower productivity of solar panels during rainy days. This must be obliterated because rainfall directly does not impact the solar panels, but it’s the rain clouds that are likely to lower the total production. However, this may turn out to be beneficial too because rainstorms would end up cleaning any layer of dust or dirt covering the panel and blocking the light, and thus lead to better electricity production.

Temperature does not affect solar panels as an exception, change in temperature affects all kinds of electronics in their efficiency. But mostly the productivity of solar panels reduces when temperature increases. This loss of power in the solar panel and the drop in their efficiency is calculated by the temperature coefficient. It gives us an estimate of how much power has been lost with an increase in temperature. We can then identify how for every degree rise, the power of the solar panel falls by a certain percentage, and for every degree fall it increases by that percentage.

“A solar panel is a bit like the silicon chip inside your computer, if it gets too hot it doesn’t work quite so well”

~ University of WA,

Resources Scientist Ray Wills

 This helps us in concluding that solar panels are affected by variations in climate and changing seasons, and not directly by warmer regions. We can also see how solar panel works more efficiently in colder regions than in warmer.

Subsequent ways can be used to cool down heated panels:

  • Installing the panels a high above the roof so that the wind can cool the panel and lead to better efficiency
  • Ensuring that the panels are made up of light colour material, to reduce heat absorption

Even though the total potential of solar energy is dependent on the sun, with the modern technological advancements in the industry, it is now possible for households, offices, and farms to install and harness the power of solar even if they are located in cloudy, snowy and rainy areas.

Thus, we can conclude from the above observations that warmer or colder regions do not define the productivity of the solar panel, it’s the existence of daylight that affects it. If you are still dubious about switching to renewable solar energy appliances and need some guidance into choosing the right products for your home/office, visit our website to read more blogs and analyse our product profile for your best fit.

Let’s take a pledge to save nature by saving the depletion of fossil fuels so it can be sustained for future generations. Go Green, Go Solar.

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