Part 2 : The Green Plug
The green plug above is designed to switch the household AC suply from the batteries to the grid. Solar and wind power generated is stored in the battery bank. The green plug first use the power from the battery bank through the inverter. When the batteries are low it will switch to mains power.
Advantages :
1) Many people want to connect to their power meter and turn it backwards in effect reducing their power bill by the amount they pay. This is actually illegal and unsafe for maintenance personnel working on the grid. The Green Plug is legal safe and has the same impact. It gives you maximum return on the power you produced ie including the daily charge when used in conjunction with Prepay power covered in part 1.
See Http://www.thebatteryclinic.co.nz
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