Rooftop On Grid Solar Systems
An on-grid solar roof top system converts solar power into grid power. The roof top system consists of a series of solar panels which are mounted on roof and connected together to convert solar radiation to electrical energy (DC). The electrical energy from the series of panels is fed into an inverter so that the energy can be converted in alternating current (AC) compatible with grid power. Hence, the system will only work when there is constant electricity supply from the power grid.
Presently there are three applicable tariff schemes in force for rooftop on grid solar systems namely Net Metering, Net Accounting and Net Plus.
The applicable tariff is Rs 27.00 per unit (kWh) for a contractual period of 20 years.
An indicative parameters of more popular roof top solar systems are as follows.
| System Capacity | Panel Capacity | Expected Unit Generation (Monthly) | Quantity of Panels (460W Panels) | Required Roof Area |
|---|---|---|---|---|
| 2KW | 2,300W | 250kWh | 05 Nos | 150 sqft |
| 3KW | 3,220W | 350kWh | 07 Nos | 210 sqft |
| 4KW | 4,140W | 450kWh | 09 Nos | 270 sqft |
| 5KW | 5,060W | 550kWh | 11 Nos | 330 sqft |
| 6KW | 6,440W | 700kWh | 14 Nos | 420 sqft |
| 8KW | 8,280W | 900kWh | 18 Nos | 540 sqft |
| 10KW | 10,120W | 1,110kWh | 22 Nos | 650 sqft |
| 12KW | 12,420W | 1,360kWh | 800 sqft | |
| 15KW | 15,180W | 1,660kWh | 33 Nos | 1,000 sqft |
| 20KW | 20,240W | 2,220kWh | 44 Nos | 1,325 sqft |
Rooftop Solar System with EV Charging Facility.
One of the biggest advantages for those with rooftop solar is the ability to charge an electric vehicle (EV) using your own power. Charging with your own solar-generated electricity can essentially eliminate the ‘fuel’ cost of an EV altogether.
How easy it is to charge an EV using solar depends on the following factors:
- Type of charger used - Charger speeds can range from 2kW to 22kW
- Your solar system size - Typical rooftop solar systems range from 5kW to 15kW
- The vehicle battery level - How much do you need to charge?
- How often do you travel, and how far do you drive?