![]() ![]() Rooftop solar installations are not restricted to flat roofs – they can be mounted on sloped roofs as well, with a correction in the angle of mounting for the slope of the roof. ![]() We calculate the output and the impact on power generation while installing panels. ![]() The output of the rooftop solar panels reduces in proportion to a horizontal angle greater than 15% from due south. If a south-facing roof is not available an east-west facing roof could also be considered (as it will cover the sun’s movement across the sky from east to west during the day).In the northern hemisphere, a south-facing roof is ideal as the sun is always to the south in the temperate and tropical zones.Before installing rooftop solar panels for home, HomeScape measures the amount of solar insolation using on-site sensors during the site survey.The approximate solar insolation at your location is determined by measuring the latitude and longitude of your location. India generally receives 4-7 KWh of solar insolation per square metre. Your location determines the amount of solar insolation (sunlight falling on the panel per day).The power output of a rooftop solar panel installation is dependent on several factors such as: Rooftop solar panels for home also offer peace of mind with today’s climate extremes and antiquated electrical grid. With a rooftop solar installation, your rooftop can generate your own power and can make you self sufficient in terms of energy needs. However, the complete system price of solar depends upon the type of solar plant, with its different components such as installation, inverter, and balance systems (cables, wiring, etc.). The cost per watt for solar panels has also reduced drastically over the past couple of decades. Nowadays panels as efficient as 30% are being manufactured, which produce 25% more electricity than the lower-tier economy panels in the erstwhile market. The first silicon solar panel, invented by Bell Labs in 1954, was about 6% efficient. ![]() This can be attributed mostly to the increasing efficiency of solar cells and falling panel prices. The cost of solar energy has drastically reduced over the last few years.
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