Before
hiring one of the best renewable energy consulting companies, the most common question which strikes the minds of
people when they look for buying a solar panel is which is the most energy
efficient solar panel? So, to be more accurate, the question should be which
solar panels are worth investing or how to find out the efficiency of the
panel.
There are three basic kinds of solar
panels:
a) Thin Film: They are manufactured using
photovoltaic cells on the base of metal or glass, this type is less efficient
and is rarely used in the rooftops but mostly in the lamps and solar
calculators.
b) Monocrystalline: These solar panels are black, have
better temperature resistance, and high efficiency.
c) Interdigitated Black Contact Solar
Cells: IBC panels
are in the form of standard solar cells. All the electrical contacts are made
on the rear side of the cell instead of the front. Thus, it becomes the reason
for its efficiency.
Things You Need to Note:
1. Adhere to Standards
You need to
make sure that the particular solar panel complies with the global standards.
Also, the solar panel must have certification from the authentic entity.
2. Power Consumption
Also,
estimate how much power does your household consume during daylight when the
solar panels are at the peak of producing the electricity, it helps you to
match the electricity pattern. If the power consumption in the day is not more;
you may require a small capacity system and vice versa. It is the point that
the residential buyers need to note.
3. Efficiency
You can
measure the efficiency by comparing the electricity output of panel to the
rooftop area. The higher the efficiency is, more power you will get from the
specific rooftop area.
4. Installations
Usually, you
need to put the panels in direct sunlight, but they might not work. So, it is
vital that the solar panels must be installed correctly so that the air can
pass under the panel and help it stay cool.
5. Lifespan
Durability
and warranty play a significant role in deciding the efficiency of a panel.
Usually, the quality of solar cells has a lifespan of around 25 years.
6. Quality
You also
need to check how it's made. Usually, there are three-tier of quality. Tier 1
includes 2 percent of solar photovoltaic manufacturers and uses the high-grade
silicon to generate the solar cells. If the silicon quality is best, the longer
the cells will last.
Tier 2
includes the manufacturers who have expertise in the domain and produce the
cells at best rates. Tier 3 consists of the manufacturers that arrange the
solar panels. These neither generate panels nor do they do any R &D.
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