Among many numbers of service providers, you must select a company which is registered under Sustainable Energy Authority (SEA) of Sri Lanka.
Selecting a company which is not registered with SEA will create issues at the system is connected to the grid
When you select solar panels, select a panel which belongs to Grade “A”
For instance, if your monthly bill is around 200 KWh per month, installing a solar PV with a capacity of 2kW will be sufficient. A system with a 2kW capacity costs around LKR 500,000.
If your monthly usage is less than 200 units, it will take a long time to recover your settlement.
If you happen to generate more than what you consumed, extra units will be banked for a period of 10 years in between you can consume at occasions where you consumed over what you generated.