Solar energy is one of our planet's most abundant renewable energy sources.
It's clean, reliable, and increasingly affordable, making it an attractive option for homeowners who want to reduce the amount of carbon their homes emit as well as the amount of money they spend on energy bills.
Solar panels on homes are a great way to generate electricity, but what exactly are solar panels, and how do they work?
In this article, we'll look at all you need to know about home solar panels, including how they work, their benefits, and the installation cost.
What are Solar Panels?
Solar panels, also referred to as photovoltaic (P.V.) panels, can convert sunlight into usable electricity.
Each panel is constructed using numerous small solar cells that are linked together to form a cohesive unit.
As sunlight interacts with the solar panel, it has the capability to knock electrons in the cells loose, thus producing electricity. This phenomenon is called the photovoltaic effect.
Essentially, the energy that is created by the sun's rays is absorbed by the solar panels and converted into electrical energy that can be used to power homes, businesses, and other structures.
How Do Solar Panels Work on Homes?
A solar panel converts sunlight into electricity using photovoltaic (PV) cells. These cells are made of semiconductor materials, usually silicon, that have the unique property of absorbing photons of light and releasing electrons.
When sunlight hits the solar panel, it excites the electrons in the silicon atoms and causes them to break free from their bonds, creating a flow of electric current.
This flow of electrons is captured by metal conductors in the solar panel and sent to an inverter, which converts the DC power generated by the panels into AC power that can be used in your home.
Solar cells are made up of silicon wafers, each coated with a thin layer of boron and a thin layer of phosphorus.
These layers create an electric field that separates the electrons and holes, allowing for the flow of electricity. When photons of light hit the silicon wafers, they release electrons, which are then attracted to the phosphorus layer.
The electrons flow through metal contacts on the solar panel and into an external circuit, creating an electric current. The boron layer creates a deficiency of electrons, while the phosphorus layer creates an excess of electrons.
The flow of electrons generates the electricity that can be used to power your home or stored in a battery for later use.
The amount of energy generated by your panels varies greatly and depends on many factors, including the exposure to sunlight the panel receives, the size and efficiency of the panel, and the angle and direction of the panel in relation to the sun.
Benefits of Solar Panels on Homes
Reduced Energy Bills
Installing solar panels on your home can bring about significant financial benefits as it allows you to generate your own energy, reducing your dependence on the electricity grid, resulting in lower energy costs.
Furthermore, suppose your solar panel system generates more electricity than you need. In that case, you may be able to sell the excess energy back to the grid, providing an additional source of income.
Environmentally Friendly
Solar is considered one of the cleanest and most sustainable forms of energy available today.
By utilizing the power of the sun, solar energy systems produce no harmful emissions or greenhouse gases, making it a safe and eco-friendly alternative to traditional energy sources such as coal or oil.
Utilizing solar energy in your home can significantly reduce your carbon footprint, contributing to the global effort to combat climate change and promote environmental sustainability.
Increased Home Value
Installing solar on your home has been shown to increase its overall value.
A report done by the National Renewable Energy Laboratory supports suggests that homes equipped with solar panels are more desirable to potential buyers.
Furthermore, with an increasing number of homebuyers looking for energy-efficient homes, having solar panels can be a valuable feature that sets your home apart from the competition.
Energy Independence
Installing solar panels on your home can provide you with energy independence.
This can provide peace of mind and protect you from potential energy supply disruptions.
By generating your electricity, you can ensure access to a reliable energy source, even during power outages or other emergencies.
Cost of Installing Solar Panels on Homes
The price of a residential solar panel system can differ depending on various factors, such as the size of your home, the location of the solar panels, and the amount of electricity you want to generate.
On average, the cost of installing solar panels on your home can range from $15,000 to $25,000 before tax credits or other incentives.
Although the upfront cost of installing solar panels can seem a little scary at first, the good news is that the cost of solar panels has significantly reduced over the years, making them more affordable for homeowners.
Additionally, there are many state and federal incentives available that can help offset the cost of installation.
These incentives can include tax credits, rebates, and grants, making it more accessible for homeowners to switch to solar energy.
In the U.S., for example, you are currently able to get a 30% tax rebate on any solar system installed. This rebate will not last forever, though. According to the Department of Energy, this rebate is set to expire in 2035.
Final Thoughts
Solar panels on homes are an excellent way to generate electricity, save money on energy bills, and reduce your carbon footprint.
By understanding how solar panels work and the benefits they provide, you can make an informed decision about whether solar panels are the right choice for your