Dual Power Suppliers:
1) AC grid power 2) DC solar power
Auto Power Balance Distribution System
At daytime with sunshine, main power comes from solar panels.
The insufficient power will be supplied by AC grid power.
In cloudy days, main power comes from grid power.
After sunset, 100% energy comes from grid power.
100% electricity generated by solar panels will be consumed in priority position.
No batteries, charge controllers and power inverters required.
The initial investment is for 2-5 pieces of solar panels only.