Question

How expensive is photovoltaic solar energy?

Answer 1

Off Grid Solar PV system will include batteries, which are an expensive part of the system and these would need replacement every few years (4-7 years). A typical Off Grid Solar PV System would cost about Rs 1 lakh. There are two types of Solar PV Cells: Monocrystalline and Polycrystalline.

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Answer 2

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• Photovoltaic cells generate electricity by absorbing sunlight and using that light energy to create an electrical current.
• When light shines on the cell it creates an electric field across the layers causing electricity to flow.
• Photovoltaic Cell are used to produce electricity which powers a water pump, well etc.