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How Much Power Does A Solar Panel Produce?


Installing a solar energy system on your home or commercial property is a smart financial investment that can dramatically reduce your electricity bills. The solar savings you gain are tied to the amount of electricity that your system can generate, so when considering your equipment options, one of the first questions you should ask is, “how much power does a solar panel produce?”


All solar panels receive a power rating based on the amount of direct current (DC) power they can generate. Ratings are expressed in watts and represent the power the panel produces under ideal lab conditions. Most solar panels on the market today have power ratings that range from 300 to 450 watts nowadays.


Solar Panels & Electricity Output


In practical terms, it is difficult to know exactly how much electricity a particular solar panel will produce for your home just by knowing the solar panel’s power rating. If you want to understand the solar energy output for your home in real-world conditions, use the power rating in conjunction with your solar panels’ other technical specifications.


Your solar energy system output depends on sunlight and temperature conditions, as well as other technical specifications. The electricity generated by a solar panel system is also dependent on the degree of shading that the system experiences and the tilt angle and azimuth of the roof on which it is installed.


Geographic location is another big factor. For instance, a 5kW system may produce 6,000 kilowatt-hours (kWh) of electricity per year in Boston, while the same system would produce 8,000 kWh per year in Los Angeles because of the amount of sun each location gets per year. However, this doesn’t mean that solar makes less financial sense in Boston – both solar energy output and the prices you pay to your utility have a large effect on your level of savings.


Some panels have a high solar energy output rating simply because they are physically larger, rather than more efficient or technologically superior. For example:


As a general rule of thumb, it makes prudent financial sense to install a solar energy system with as much power output as you can afford (or that your roof can accommodate). That will ensure you maximize your savings and speed up the payback period of your solar energy system. Contact to Solar Era and get a FREE quotes from us. We will let you know your savings from panels with different solar energy outputs.

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