Solar panels for residential use are a great way to save money on electricity and reduce your carbon footprint. The amount you can save depends largely on the number of sun hours available in your area. This blog will explore how sun hours can affect your solar savings and what you should consider when evaluating residential solar.
Understanding Sun Hours
Sun hours, also known as peak sun hours, refer to the amount of sunlight a particular location receives each day, measured in hours. One peak sun hour is equal to 1,000 watts per square meter per hour of solar power. This is crucial because it directly impacts the amount of energy your solar panels can generate.
Geographic Location
The number of sun hours you receive is largely determined by your geographic location. Areas closer to the equator receive more intense and consistent sunlight year-round, leading to higher solar energy output. For example, states like Arizona and California receive more sunlight than northern states such as Washington or New York.
Seasonal Variations
Sun hours can also change with the seasons. In many places, summer brings longer days with more intense sunlight, resulting in higher solar energy production. In contrast, winter days are shorter and have less sunlight, which can decrease the efficiency of solar panels. Understanding these seasonal variations can help you estimate your annual solar output and potential savings.
Solar Panel Tilt and Orientation
The tilt and orientation of your solar panels significantly affect the number of sun hours they receive. Ideally, solar panels should face true south in the northern hemisphere or true north in the southern hemisphere to maximize sun exposure. The tilt angle should also be adjusted to match your latitude to capture as much sunlight as possible throughout the year.
Local Climate and Weather Patterns
Local climate and weather patterns are important factors in determining the number of sun hours. Areas with frequent rain or cloudy days will have fewer sun hours compared to places with clear, sunny skies. While occasional clouds may not have a major impact on your solar savings, persistent overcast conditions can lead to reduced energy production.
Shading and Obstructions
Shading from trees, buildings, or other obstructions can reduce the amount of sunlight your solar panels receive. Even partial shading can cause a disproportionate drop in solar panel efficiency. To maximize the sun hours and your savings, it’s important to conduct a comprehensive shading analysis before installation.
This post was written by Daniel Massaad, owner and expert solar technician at Energy Solutions Direct! ESD is the top choice for solar panel installation Brandon FL! Our licensed and certified contractors are masters of their craft; with years of experience servicing the great Tampa Bay area and beyond, the choice is simple. ESD excels at offering you the best in solar value!
