Maximizing ROI with High-Efficiency Modules: What Businesses Must Know Before Investing in Solar Panels
A solar panel installation can bring several opportunities for a
corporation to increase its profitability. Generating their own electricity
helps a business cut down on electricity costs and ultimately reduce overhead
expenditure while also ensuring a stable energy supply for the operations,
ending the company's vulnerability to outages. Besides, the business will not
only get instant cash flow benefits but also better profit margins, in addition
to the protection from the unpredictability of energy prices for over 20 years.
The government, besides giving tax rebates, also provides a variety of
incentives for companies going for renewable energy, which can further lower
the initial costs.
But, to maximize all of these benefits, what should businesses know,
and how can they make the right choice of module and solar panel manufacturer? This article will answer all of them in
detail.
Every Panel Technology
has a Different Energy Efficiency
Solar cell technology has made significant strides from its initial
models in recent years, offering a diverse landscape of solar panels where the
electricity produced per unit varies significantly by the type of cells
employed. This implies that high-energy-efficiency cells will require fewer
solar panels to produce the desired output, thereby reducing land requirements,
but their upfront cost is slightly higher.
Here’s a brief overview:
Solar Cell Structures and
Technologies
Cells can be polycrystalline and monocrystalline depending on their
silicon structure. As the name suggests, monocrystalline cells employ a single
silicon crystal, a structure that allows them to produce electricity even in
low light conditions. On the other hand, polycrystalline cells have multiple
silicon crystals and are less expensive but have less efficiency too. To these
cells, the Passivated Emitter and Rear Cell or PERC solar panel technology can
be added to improve efficiency and performance while reducing the rate of
degradation.
TOPCon Panels: Setting
New Benchmarks of Performance and Durability
Since PERC cells have reached their limits of efficiency, developments
in solar technology have led to the creation of Tunnel Oxide Passivated Contact
(TOPCon) panels, which achieve higher rates of energy conversion. These cells
have rear-side contacts, which are metal contacts, which have a passivation
structure on the rear consisting of a thin tunnel oxide layer of silver that
acts as a dielectric that creates a selective barrier, preventing the majority
of charge carrier electrons from recombining and improving passivation.
The technology is also strengthened with a thin layer of polysilicon
that is n-type. Placed on the tunnel oxide layer, it creates a high-low
junction for a second layer of passivation and enhances light absorption.
Additionally, these can be easily made bifacial to harness the reflected
sunlight from the ground to further boost electricity production.
Pairing with Energy
Storage for Operational Continuity
Solar energy is great, but it's intermittent too. For this, businesses
consider integrating them with a battery or energy storage device that stores
the excess electricity when the sun is not available, allowing users to enjoy
free electricity even during periods of lulls or cloudy days.
Word of Advice
To choose the right cell type, businesses must evaluate their
location, including the amount of sunlight received, potential shading from
trees or buildings (which can block sunlight and reduce energy output) and
rooftop space. If the climatic conditions are hot, it's best to choose cells
like TOPCon, which are less vulnerable to temperature extremes and perform
effectively in heat.
Besides this, ensuring the reliability of the solar panel manufacturer is of utmost importance. Make sure that
they not only use the best high qualitysolar materials in India but also offer a long warranty and quality
installation.
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