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How Solar Panels Work

Solar panels work by harvesting the sun’s energy and converting it into electricity. Read more to learn how your solar energy system connects to your home and integrates with your existing electricity infrastructure.

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How Solar Panels Work


Solar panels work by letting photons from the sun’s rays knock electrons free from atoms inside of photovoltaic (solar) cells to generate a flow of electricity. Each panel is composed of many solar cells linked together (typically 60 or 72). Each cell contains a positive and negative layer that combine to form an electrical field in which energy is created.

Phosphorus inside the top silicon layer creates the negative charge, while boron in the bottom layer provides the positive charge. The two fields interact with one another to turn the sun’s rays into the energy that flows from your panels to your inverter.

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Solar panels work by letting photons released by the sun knock electrons free from atoms, and thus generate a flow of electricity. Solar panels are composed of many smaller photovoltaic cells linked together. The more panels you deploy, the more energy you generate.
 
 
 
Solar panels work by letting photons released by the sun knock electrons free from atoms, and thus generate a flow of electricity. Solar panels are composed of many smaller photovoltaic cells linked together. The more panels you deploy, the more energy you generate.

How Does Solar Energy Work?

Step-By-Step:

  • Step 1
    Sunlight hits the layers of your solar panels, and photons and electrons interact to create an electrical current.
  • Step 2
    The electrical current flows from the panels down to your solar inverter, which converts the energy generated from your panels (DC) into usable energy for your home (AC).
  • Step 3
    The AC energy flows from the inverter into your breaker box, which will then circulate it throughout your home.
  • Step 4
    Any unused AC will flow back to your utility meter and remain available for consumption. In certain states, homeowners have the ability to return that unused AC back to the electric grid in the form of energy credits on their next power bill. This process is known as net metering.

How Does Net Metering Work?


Net metering works to send any extra energy that your solar panels produce back to the power grid, and you are credited for that energy at a 1 to 1 ratio (you get to sell it at the same price you buy it). Those credits can be used on future electric bills. Note that some utility companies do not offer net metering. Overall, this is a great incentive for solar energy use.

What Happens to Excess Energy?


To manage the excess energy, you can either store excess energy in a solar battery or use net metering to sell the energy back to the utility companies. During peak sunlight hours, your solar energy system can potentially produce more energy than you need. Storing the remaining energy in a solar battery can help you have access to power during outages or allow you to power portions of your home during the night.

Solar Panel FAQs


How Do Solar Panels Work on Your Home?

Solar panels work on your home by converting photons from the sunlight into direct current, which then flows into your inverter. Afterward, your inverter translates the direct current into alternating current and sends the AC to your electric box to power your home. Your solar energy system is an efficient and affordable way to own your power instead of renting it from the grid.

How Do Solar Panels Work with Grid Connection?

Solar panels work with grid connections by impacting your energy meter readings. If your home is connected to the grid, then you have an energy meter that measures how much electricity you use. With solar panels, you could potentially reduce your dependence on the grid connection by using stored energy or using net metering credits to lower your bill.

What is a Solar Inverter?

A solar panel inverter converts the direct current that your solar panels generate into alternating current to power your home. Solar inverters are similar to a translator. It translates solar energy into the type of electricity that can be used by your home. Solar inverters are installed with your solar energy system.

The Generac inverters we install communicate with your solar panels via PV Links. Those PV Links allow your panels to communicate with each other and deliver the maximum power under all conditions. If one of your panels is experiencing an issue such as shading, the PV Links allow the rest of your panels to still perform at the highest level.

The Most Efficient Era of Solar Panels Yet


Solar panels become more sophisticated every year. In fact, modern technology has ushered in the most efficient era of solar panels the world has ever seen. These new panels convert at an astonishing rate of 21-22%, which not only allows them to generate more energy for your home – it also helps you potentially save more money!

More efficiency and lower production costs paint a bright future for solar energy. According to a 2019 report conducted by the International Energy Agency, solar power could potentially make up 60% of new renewable-based power capacity across the globe within the next five years.

Simply put, solar is here to stay because it works. Request a free quote today to see how it can work for you.

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