Solar Power Grid Connect
The sun’s energy provides electricity free for your home. Solar energy helps you to gain control of your power consumption, reduce your power bills, and lowers the impact of your everyday living on the environment. Solar Power Systems can be designed and installed to your home to produce enough electricity to power your lights, appliances, heating, cooling, and other household usage, tailored to your individual requirements.
How does solar power work?
Electricity is generated via photovoltaic (PV) solar panels fixed to the roof of your house or a separate framework. When the sun hits these solar panels DC electricity is produced. This electricity is converted to AC via an inverter that is connected to your solar panels and your switchboard. When the sun goes down or on an extremely overcast day where there is not enough sunlight to produce the required amount of electricity, your house reverts to drawing power from the power grid.
When your Solar Power System is producing more electricity than is required it feeds the excess power back into the grid via an import/export power meter. This excess power is measured by the feed-in tariff and you receive 6.67c per kilowatt produced on this tariff, which is registered on your electricity bill as a credit.
An alternative to the more common string inverter system, is the micro-inverter system. The major difference is that each PV solar panel has its own micro-inverter located underneath it, then an AC cable connects all inverters together and into the household switchboard. The power then goes into the house and into the grid the same way a normal string inverter system does. Each panel can be monitored individually via a web-based gateway that shows system performance and data.
The key advantages of a micro-inverter system are:
- Performance – improved energy yield due to individual MP
- Simple – modularised with simple design and installation
- Savings – no additional DC wiring or switching requirements
- Safety – minimal risk of DC faults and potential arcing
- Reliable – longer life expectancies and warranties
- Intelligent – Monitoring at individual panel level
You can view more information on micro-inverters here.
How much money will you save?How much money will you save?
Solar Power Systems will save you money. A correctly sized and designed PV system will provide electricity for your home without exporting too much to the grid. As the feed-in tariff has been reduced over the years, it is more economical to focus on producing the right amount of power for your energy consumption, always reducing the amount of power required from the grid.
For example, a 3 kW system will produce around 4050 kWh per year, if 70% is self-consumed at 28c and 30% is imported back to the grid at 6.67c you would save between $800 – $900 per year at current prices. You can dictate how much you save by running household items like a load of washing, the dishwasher, using the oven, or vacuuming the house during the day while the sun is out, rather than on an overcast day or at night when your solar panels are producing limited energy. Therefore the more renewable energy you use during the day, the more you will save.