Solar PowerWhat is it and why should I use it?

Solar energy systems act like a mini power station on your roof generating electricity from the sun

How does it work?The solar photovoltaic panels are connected to

your normal power supply for use in your home. If you need more power than the solar system generates, it comes from the electricity grid. If your solar system generates more power than you need, the excess goes into the electricity grid

You should consider the following before you buy a solar system

Size.

There are various solar system sizes to choose from. The output and cost of the system will depend on the size. It's a good idea to have a look at your electricity bill and compare your energy consumption (kilowatt hours used per day) with what each system can generate.

You should consider the following before you buy a solar system

Cost.

The cost of a solar system will vary depending on size, type of panels, installation type and equipment used

You should consider the following before you buy a solar system

Location.

Where you live will obviously have an effect on the performance of the solar system. People who live in areas of frequent rainfall will naturally receive less sunshine hours and system output will be reduced

You should consider the following before you buy a solar system

Roof specifications.

For optimum system output, a north facing roof is most ideal. Other things to consider are the pitch of the roof and what the roof is made out of (for example, a tile roof may incur a higher installation charge than installing a system on a tin or corrugated iron roof).

You should consider the following before you buy a solar system

Your house.

Does your house contain asbestos? If so, the supplier/installer will need to know as special precautions will need to be taken. You will also need to let them know if the house is more than 1 storey to allow for safety requirements. The location of your switchboard also needs to be considered as the inverter needs to be mounted as close to the switchboard as possible

You should consider the following before you buy a solar system

Shading.

Is there any shading on the roof area from trees or buildings? If so, this will affect the performance of the solar system

ReferenceErgon Energy (2011) Solar power systems

Retrieved from http://www.ergon.com.au/your-home/using-renewable-energy/solar-power/solar-power-systems