How Many Solar Panels Do You Need to Power a House?

How Many Solar Panels Do You Need to Power a House?

Have you ever thought about switching to solar power?

In recent years, solar power has been adopted in enormous numbers worldwide. In fact, statistics show that the solar energy market grew in 2020, reaching a value of USD 170.55 billion. This is no surprise when one considers how much solar power can benefit the average homeowner.

Homeowners who use solar power reap significant savings in energy costs and are better for the environment as well. The only real question is how many solar panels do you need for your property?

To learn more about how many solar panels you need to power your house, keep reading to find out all the benefits of solar power.

Know Your Annual Electric Usage

Your electric usage is measured in kilowatt-hours (kWh), and it’s easy to find out what your usage is. Check your most recent electric bill and look for the “Total kWh” for the entire billing period. This is the number of kWh you used in that period.

To determine how many solar panels you need to power your home, you will need to calculate your home’s energy usage and match it with its production ratio of the solar panels for the roof.

A typical home uses about 30 kilowatt-hours of energy per day. Solar panels have a production ratio of about 2 kilowatt-hours of energy per day per panel. So, if you want to power your home with solar panels, you will need about 30 panels.

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However, roof solar panels only produce electricity when the sun is out, so you need to factor in solar panel efficiency. In a place with less sun, solar panel efficiency is lower.

Decide On Your Solar Wattage

To answer the question of how many roof solar panels you need to power your house, you must first decide on the solar wattage you wish to use. Solar wattage is a measure of the amount of power that a solar panel can produce. For example, a 370-watt of solar panel can produce from 1.4 kWh to 1.9 kWh of electricity on an average day.

Look Into the Production Ratio

To figure out how many solar panels you need to power your home, you need to look into the production ratio. This will tell you how much electricity your panels produce in relation to how much sunlight they receive. If you have a high production ratio, you will need fewer panels to produce the same amount of electricity as a home with a lower production ratio.

You may also read about this from reliable sites or learn from your local companies offering solar panels for the roof.

Consult an Expert to Know How Many Solar Panels You Need

If you’re unsure of how many solar panels you need for your home, it’s best to consult an expert. Solar panel installation is a big investment, so you want to make sure you get it right. An expert can help you determine the right number of panels for your home and give you an estimate of the cost.

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