Solar
How it works
The principles of solar power remain the same whether it is a domestic, commercial or industrial installation.
Stage 1
Photovoltaic (PV) cells in each of the panels convert the solar energy directly into electricity in the form of a DC voltage. A number of panels wired in series forms a PV array. The greater the number of panels, the higher the energy output of the array.
Stage 2
The solar array is wired to an inverter (pictured) which converts the DC input into the 240 v AC required for operation of appliances within the home/building. The inverter provides real-time readings in its display window. It shows the power output, the daily total, and the cumulative total since installation.
Stage 3
The 240 v AC supply is then utilised within the premises where required. If the usage requires more than that provided by the solar PV system, then it draws the remainder of its needs from the grid. If the system produces more energy than is being consumed, then the surplus power is exported to the grid.
Stage 4 - Metering
Once a solar PV system is installed, we notify Energex and they arrange to have a new import/export meter fitted in your meter box (at no extra charge). The new solar meter will display the surplus energy that has been exported to the grid for credit on your next bill.
The Qld State Government's Solar Bonus Scheme states that you will be credited 44c per kWh (50c for Origin customers) for your surplus solar energy yet still only charged around 21c/kWh for the energy drawn from the grid!
