Today, PV systems have an important use in areas remote from an
electricity grid where they provide power for water pumping, lighting, vaccine
refrigeration, electrified livestock fencing, telecommunications and many other
applications. However, with the global demand to reduce carbon -dioxide
emissions, PV technology is also gaining popularity as a mainstream form of electricity
generation.
Photovoltaic modules provide an independent, reliable electrical
power source at the point of use, making it particularly suited to remote
locations. However, solar PV is increasingly being used by homes and offices to
provide electricity to replace or supplement grid power, often in the form of
solar PV roof tiles. The daylight needed is free, but the cost of equipment can
take many years before receiving any payback. However, in remote areas where
grid connection is expensive, PV can be the most cost effective power source.
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