The moment your solar panels are
installed, then only you can avail yourself of the best performance out of
them. After that, it is all downhill.
Although it might consume more than 4 decades to deteriorate completely, day
one will be as good as it gets.
One of the causes of this is dirt. The
moment you find that your panels lay bare in the open in the clean air, or not
so clean air, then you will notice that dust will start settling on them. It
will block the sunlight, minimize their efficiency, and cost you your
hard-earned money.
The apparent solution is to pay someone
to clean your solar panels or get out there and clean them yourself. Often this
apparent solution proves to be a sensible course of action. Whenever a dust
storm engulfs your panels in dirt or pigeons have had a poop party on your
roof, then it’s an amazing idea.
However, it has also been observed that
during most of the instances, solar panel cleaning services in California and
other locations is not worth it as the moderate gain in output from cleaning
panels is very meager, if you consider the time and risk of injury when you
contemplate doing it on your own or how pocket pinching could it be for you if
you have to pay to get it done. That is why, under normal circumstances, it
wouldn’t be very cost-effective.
It will be a wiser decision to simply
install a slightly larger system to make up for the minimal loss that is caused
due to grime than it does to pay someone to clean them. Or if your system is already installed,
spending money on energy efficiency is far more cost-effective than paying
people to clean your panels.
Usual
Grime Hardly Affects Solar Panels
Dirt on solar panels normally has very
little effect on their performance. In a
few places, there will be sufficient rainfall to maintain solar panels clean.
Indeed, grime will accumulate, however with time, there will be enough rain to
wash off most of it.
Cleaning apart from what is done
naturally by rain will enhance panel output as on average they will have even
less dirt accumulated on them. However, it isn’t of much help.
Research in the United States found
that cleaning solar panels in California and other places just improved their
output by almost 1%. This is applicable in an area that receives only a bit
more rainfall.
This doesn’t suggest that in your
specific area cleaning panels will only improve average performance by 1%. It
may so happen that you stay in a dirty place or many birds are trying to
convert your roof into the site of a future guano mine.
Flat Panels
Being Exception, Necessitate Cleaning
Rain will indeed wash the major portion
of the dirt from the panels. However, it is feasible only if they are installed
at an angle. While solar panels lie flat, you might find that water can
accumulate on them and can’t escape anywhere else. Gradually it evaporates and
leaves grime behind. In the worst-case scenario, you might witness things like
leaves and other debris landing on solar panels and just remain stuck there and
adversely affecting performance. A thin layer of grime will allow maximum
lights to pass through. However, a leaf is categorically designed to capture
light. The reason is that it is a naturally occurring type of solar panel.
Inference
To avoid these issues, and because it
is bad to have any electronic item sitting in water for an extended period, it
is an excellent idea to install solar panels on flat roofs in frames that are
inclined at a minimum of 10 degrees. When your panels aren’t tilted enough,
then you’ll have to clean them regularly if you intend to maintain their sound
performance.
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