The Quiet Energy Revolution: 15KW solar wind hybrid system in Australia

After careful consideration of the homeowner's requirements, a 15kW off-grid solar wind hybrid system was installed in the house. The system was designed to include 15pieces 550W solar panels, which were installed on the rooftop. The panels were tilted at an angle of 25 degrees to maximize energy capture. To compensate for the south-facing orientation, additional panels were installed on the west-facing side of the roof to capture more sunlight in the afternoon.

The system also included a 192V battery bank consisting of 32pieces 12V gel battery. The batteries were connected to a charge controller, which regulated the charging and discharging of the batteries. The charge controller was programmed to prioritize solar energy use over the batteries and grid energy.

To address the issue of wind energy, a 5kW wind turbine was installed in the backyard. The turbine was connected to a charge controller that worked in conjunction with the solar charge controller. This integration ensured that excess energy generated by the wind turbine was stored in the battery bank.

The 15kW off-grid solar wind hybrid system has been operating for over two years and has exceeded the homeowner's expectations. 

The system has consistently produced enough electricity to power the entire house, including appliances like air conditioning, refrigerators, and water pumps. The battery bank has been efficient in storing excess energy, which has been used to power the house during the night.

The wind turbine has also been a valuable addition to the system. The turbine generates electricity during the night and on cloudy days, filling the gap left by the solar panels. 

The integration of the wind turbine with the solar charge controller has ensured that excess wind energy is stored in the battery bank, which has further increased the efficiency of the system.

The 15kW off-grid solar system installed in the Australian suburban house has proven to be an effective solution for the homeowner's energy requirements. The system's quiet operation, eco-friendliness, and ability to store and use excess energy have met the homeowner's expectations. The inclusion of a wind turbine has further improved the system's efficiency and ensured that the house has a consistent power supply, even during the night or on cloudy days. This case study highlights the viability of off-grid solar systems in suburban areas and their potential to provide clean and reliable energy.

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Ben is a researcher, and data analysis expert who has worked for clients in the solar power system. He knows the battery very well.