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How much area is required to install a rooftop solar system?

1 kWp solar system requires approximately 10 sq. m (or 100 sq. ft) of shadow free area. Therefore, one 1 MWp (1000 kWp) solar system would require 10,000 sq. m / 1,00,000 sq. ft / 3 acres of shadow free area.

What is the cost of a 1 MW solar system?

1 MWp (1000 kWp) solar system would cost around 5-6 crores, including all components, installation and commissioning, delivery and taxes.

What is the installation and commissioning period for a 1 MW solar power plant?

1 MWp (1000 kWp) solar plant would require 3-6 months for installation and commissioning, and typically only 30-45 days of actual work at the site.

What maintenance is required fo a solar power plant?

Solar photovoltaic panels have no moving parts, and therefore require little maintenance, which will include module cleaning with water every 2-4 weeks and preventive electrical maintenance every 3 months.

How much electricity will be generated by a 1 MW (1000 kWp) solar plant in one year?

A 1 MW plant will generate around 15 lac units in the first year. The exact power generated will be subject to location of the solar power plant.

Will the energy produced degrade every year?

Yes, the power produced will degrade at 0.5 -0.8 % each year. In the 25th year, the solar system will still produce 80-90% of the energy produced in the 1st year.

What will be the average life of the solar panels?

The solar panels have a warranty for a period of 25 years, however, the projected life is longer.

What is the difference between solar plant installation on a rooftop versus ground mounting?

Metal rooftop solar system requires 20% lesser area than RCC rooftop solar or ground mount systems. Rooftop solar helps to reduce ambient room temperature by around 2 degree Celsius. Otherwise, both systems are equivalent.

Will the cost/KWh reduce if the cost of solar panels fall?

Yes. Since 60-70% of cost depends on the solar panel, if there is a fall in the panel cost it, in turn, will reduce CapEx requirement, and this benefit can be passed to the client. But if the cost of other components such as aluminum structures, copper wires which are steadily rising is considered, then the total project cost is more or less stable.

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