Switching to solar power is an excellent way to reduce energy costs and rely on a more sustainable energy source. But one of the biggest questions homeowners have is: how many solar panels are needed to power a home? The answer depends on several factors, including energy consumption, panel efficiency, and available roof space.
Understanding Your Home’s Energy Usage
The number of solar panels required to run a home depends primarily on how much electricity you use. Energy consumption is measured in kilowatt-hours (kWh), and the average American home uses about 900–1,000 kWh per month. You can find your exact usage on your utility bill.
To estimate your solar panel needs, consider the following:
- A typical solar panel produces around 300–400 watts per hour.
- Sunlight exposure affects panel performance, with peak production occurring in direct sunlight.
- Homes with higher energy demands, such as those with electric heating, EV charging, or large appliances, will require more panels.
Calculating the Number of Solar Panels Needed
To determine how many panels are required, divide your home’s monthly energy usage by the expected output of a solar panel. For example, if your home uses 1,000 kWh per month, and you install 350-watt panels that generate about 40 kWh per month, you would need roughly 25–30 panels to cover your energy needs.
Other factors, such as shading, panel placement, and system inefficiencies, can also affect the number of panels required. A professional solar assessment will provide a more accurate estimate based on your home’s specific conditions. A home services provider in the New Cumberland area that performs panel installations, like ours, can help you make an accurate projection of your needs by evaluating all the factors
Factors That Impact Solar Panel Efficiency
Not all solar panels perform the same. Several factors can influence how much power they generate, including:
- Panel Efficiency: Higher-efficiency panels can generate more power in a smaller space.
- Roof Orientation and Angle: South-facing roofs receive the most sunlight, optimizing energy production.
- Local Climate: Areas with more sunlight hours per year require fewer panels to generate the same amount of energy.
- Shading: Trees, chimneys, or nearby buildings can reduce panel efficiency.
Get Expert Solar Solutions in New Cumberland, PA
If you’re considering solar energy for your home, we can help design a system that meets your energy needs. At Daflure, we provide expert solar panel installation in New Cumberland, PA, helping homeowners maximize their energy savings. Contact us today to learn more about making the switch to solar!
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