Having your particular situation
evaluated by an expert would be the best way to find out what solar panel type
would be best for your household. Here are some of the typical scenarios we
see:
Limited Space
For those who don’t have enough
space for thin-film solar panels (the majority of us), or if you want to limit
the amount of space their PV-system takes up, crystalline-based solar panels
are your best choice (and they would likely be the your best choice even if you
had the extra space). There are not a whole lot of solar installers and
providers that offer thin-film solar panels for homeowners at this point.
You will have a choice of different solar
panel sizes. The 180, 200 and 220-watt rated solar panels are usually
physically the same size. They are manufactured exactly the same way, but
under- or overperform when tested, hence ending up in different categories for
power output. If size is important, you should go for the highest rated power
output for a particular physical size.
Both mono- and polycrystalline solar panels
are good choices and offer similar advantages. Even though polycrystalline
solar panels tend to be less space-efficient and monocrystalline solar panels
tend to produce more electrical power, this is not always the case. It would be
nearly impossible to recommend one or the other by not examining the solar
panels and your situation closer.
Monocrystalline solar panels are slightly
more expensive, but also slightly more space-efficient. If you had one
polycrystalline and one monocrystalline solar panel, both rated 220-watt, they
would generate the same amount of electricity, but the one made of
monocrystalline silicon would take up less space.
Lowest Costs
If you want the lowest costs per
rated power, or in other words, pay as little as possible for a certain amount
of electricity, you should investigate if thin-film solar panels could in fact
be a better choice than mono- or polycrystalline solar panels.
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