If you have decided to get the residential solar power system for your house, then you might be thinking about other aspects. Instead of putting everything in the command of your provider, you should do some groundwork to receive the best returns. Of course, the best solar company in Australia will give the best recommendations, still, knowing what you need, will keep the discussion short and solar panel installation Sydney task faster.
One of the common questions buzzing in the mind is what would be the right size of the solar system for my house.
The size of a residential solar system means the number of solar panels you need. Your question will be resolved in this blog. So read on.
How Many Solar Panels Do I Need To Power My House?
1. Energy Usage Aspects
This is the first and foremost things to consider before contacting the provider for solar panel installation Sydney or in any other city in Australia or even in the world. Here are some tips to follow to define the right size:
- What is your hourly electricity use? This information is available in your electricity bills and shown in kWh.
- What is your daylight electricity use? If you use a maximum of electric appliances at the night, then you would need a residential solar power system with batteries for solar energy to meet your need. Moreover, the number of solar panels may reduce according to daylight electricity use.
2. Size and Angle of Your Rooftop
This is another important aspect one has to consider to get the correct size of the residential solar power system. Keep all these in mind to get the right size of the system:
- What is the size of your rooftop? Even if your energy usage indicates you need the 6.6 kWh solar system, if you do not have enough roof size, then you will not be able to get that size installed. Moreover, the roof needs to be unshaded, so the solar system can receive enough sunlight without any barriers.
- What is the roof angle? To produce enough energy, the residential solar power system needs to be installed at the right angle. The angle also depends on multiple factors such as when you use the most electricity. For example, if you use more electricity in the morning, then you need to install solar in the east direction. Your roof must have space to install all panels in the east.
3. Future Planning
This is another important aspect to ensure investment in residential solar power system should be the one that can give you long term benefits. If the answer to any of the following questions is “yes”, then you will need to get a bigger size solar system than what you calculated now based on the current use:
- Are you or any family member might stay home all day for a long time?
- Will you buy an electric vehicle?
- Are you more likely to increase the use of the HVAC system in the future?
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