Popular Questions

  • Roof Top Solar Power Plant
  • Roof Top Solar Water Heater

In a Rooftop Solar System, the solar panels are installed on the roof of a residential, commercial, institutional and industrial building. Solar Power plant generates power and Solar Heaters are used to produce hot water from sunlight

A 1 kW rooftop system generally requires 10 sq. metres (100 square feet) of flat, shadow-free area ,south-facing. Actual sizing, however, depends also on local factors of solar radiation and weather conditions and shape of the roof.

Net metering system facilitates to record power feed into grid. Net units is derived by subtracting power drawn from grid and Power Feed into grid. Billing is done on net consumption basis. Net Metering policy varies from state to state. Policy guide line of respective state may be referred.

Gross metering is an arrangement in which a consumer is compensated at a fixed feed –in- tariff for the total solar unit exported to grid. Policy of Gross Metering varies from state to state. Policy guide line of respective state may be referred

Payback Period varies between 3 to 5 Years depending on installed capacity .

Solar system require minimal maintenance, as they do not usually have moving parts. However, routine maintenance is required to ensure the solar system continues to perform properly.

  • Periodical Cleaning with water jet and wiping
  • Earthing condition and continuity
  • Cable condition and termination tightness
  • Functionality check of inverter

The most practical indicator of the performance of the solar PV systems can be viewed/monitored from the remote monitoring and data logging software of inverter manufacturer. However this feature will have more cost implication than standard PV system.