Solar energy makes up 1.5 percent of America’s current electricity needs. The United States deployed over 2 million solar PV systems in 2019 following this growth in consumption rates of solar energy. If recent projections are anything to go by, solar PVs will grow the fastest among all renewable energies by 2025.
How much information related to solar energy do you have? Despite the growing demand for this type of energy, most Americans still have limited knowledge of how solar panels work. The functionality of solar PVs isn’t rocket science.
It only takes a keen focus on the functional setup of solar panels to understand how they work. In this article, we delve more in-depth into how solar panels work.
What Are Solar Panels?
Solar panels are devices, which convert light from the sun into electricity. This basic explanation underscores the reason solar panels also go by the name photovoltaics. The phrase refers to light-electricity or the conversion of light to electricity.
Solar power refers to the conversion of energy from sunlight into electricity using solar panels. The panels have lenses or mirrors, which focus a large area of the sun rays into a small beam. These mirrors and lenses act as a solar tracking system to ensure maximum concentration of solar power.
How Solar Panels Work
Solar panels work through allowing photons of light to knock electrons free from atoms. The knocked particles then generate a flow of electricity through the many cells linked together on the solar panels. Each of the photovoltaic cells comprises a sandwiched semi-conducting materials.
The materials comprise silicon, which helps in the conduction of electricity. For these photovoltaic panels to work, they need to establish an electric field. The process of converting solar energy works just like a magnetic field.
The separation of opposite charges is what completes an electric field. Here’s a step by step breakdown of how the solar system works.
Step 1: Solar Panels Collect Sunlight
This is the first step in the process of solar energy generation. The photovoltaic cells contained in the solar panels collect light particles from the sun. These cells accumulate as much light as the panels can covert.
Step 2: Conversion of Light to Current
Once the panel collects light, the next step is the conversion of sunlight into direct current. As noted, silicon is a common material in the design of solar panels. The material is a semiconductor, which means its capable of supporting the movement of electrons.
The electrons then generate a direct current, which starts to flow. Such flow then creates a voltage that increases as the size of solar cells increases. A single cell has the potential to generate close to 0.5V of electricity.
The conversion of light into solar energy is possible through the integration of a set of solar cells. This means that you can generate a considerable amount of electricity through the connection of multiple solar panels.
Step 3: Conversion of DC to AC
Devices in your home or office use the AC power version. The solar PVs, therefore, need to invert the DC into AC power. The next step in the energy production process is the inversion of the energy to a usable way by multiple devices.
The inverters on your solar panel further enhance safety when using solar energy. These security features include maximum power point tracking and energy production.
The modern version of solar panels has micro-inverters. These option helps to optimize the performance of the specific solar panels.
Step 4: Net Metering
Every solar panel has a net meter that helps measure the electricity going to and from the grid. The net meter should be outside the house. Most of the net meters are similar to a typical electricity meter. You have the option to keep track of your usage of solar power with a net meter.
Factors that Determine the Functionality of Solar Panels
When using a solar panel, you need to be keen on specific factors that affect these PVs’ functionality. Once you understand how solar panels work, the next thing should be to conceptualize these factors that affect PVs.
Weather
Most solar systems work best during the summer. During sunny days, you can achieve maximum conversion of light to energy. This informs the everyday use of solar panels in warmer regions.
On the contrary, during extreme cold seasons, such as winter, the production and conversion of energy may be slower. Weather is among the most common factors affecting the standard functionality of solar panels. On the same note, the generation of solar power is also higher between 11 am and 4 pm.
Roofing
Solar panels may face functionality concerns when there’s a problem with your roofing. This occurs when the roofs incline at an angle that limits the absorption of solar light.
It would help if you placed your solar panels so that there’s maximum exposure to sunlight. It’s essential to consider a solar panel installation company that understands such dynamics.
The Angling
The other common issue affecting the functionality of the solar panels is the angling. When your panel mounting is on a flat roof, you might need to consider a 30-60 degree angle to ensure optimum efficiency. The angling may also matter during winter when the sun is considerably low.
Shading
Shading is the other common issue affecting most solar panels. When your house is shielding from the sun by trees, hills, or buildings, there’s a chance that the panels won’t operate at optimal levels. It would be best to consider placing solar in a position that allows maximum uptake of light.
It’s Time to Consider Solar Panel Installation
The use of solar panels in homes and residential settings is growing at a rapid pace. While some homeowners now appreciate the benefits of solar panels, most are yet to understand how solar panels work. Have you been wondering what solar panels are?
This guide provides a breakdown of how solar panels work and the factors that affect their functionality. Now that you have an understanding of solar panels, it’s time to call in the experts. With the right team of installers, you’ll enjoy the benefits of solar energy.
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