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10 Things to consider before buying Solar Panels for Home

by Ravi Mouli

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Here we are going to list out some points to consider before buying solar panels for small homes.

Normally Solar Panel installations from 100 watt – 500 watts are considered as small solar panel setup. For small solar panel setup, people usually want to cut the cost wherever it is possible.

But this cost cutting should not affect the quality of the whole setup.

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For achieving ‘Economic’ as well as ‘Quality’ setup, we recommend following the instructions given below.

# a twelve volt Solar panel’s maximum voltage output at peak sun hours should be above 17 volts

# Check for MNRE approval or buy from MNRE approved company’s dealer

# Better you make sure that you have good non-shadowed space for installation in your home; Even Partial shading on solar panels may lead to severe drop in performance.

# Choose the correct gauge of wire for your setup, under sized wire may lead to over-heat, energy loss and cause damage to your charge controllers.

# Try to install solar panels in dust-free space or you might have to clean the panel surface regularly for best performance. Dust accumulation might hinder the solar panels performance severely.

# If you want to cut the cost, ask for polycrystalline solar panels and PWM charge controller to your dealer.

# Good quality polycrystalline solar panels are available @ Rs.45/watt (that means 100watts solar panel would cost around Rs.4500)

# Good quality Mono crystalline solar panels would cost around Rs.60/watt. Polycrystalline solar panels are affordable and recommended for small homes

# Use C10 rated batteries or Solar Batteries for best performance

# Minimize the distance between solar panels and battery bank as much as possible to avoid energy loss and excess wire cost. Normally there will be 3% energy loss if the battery bank is 10 meter away from solar panel array, the loss will be much higher when the distance increase.

We Hope all the above mentioned points will help you in buying solar panels for your home. Drop your comments and post your own experience to help other readers to choose the right setup for their home. Thank you!

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