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How Does Solar Energy Work?

Understanding Solar Energy: A Journey from Manufacturing to Powering Homes

Solar energy, once a niche and expensive option, is now a rapidly expanding part of our global energy mix. But how does this fascinating technology harvest light from a star millions of miles away to power our daily lives? This journey, from the manufacturing of solar panels to the intricate dance of energy exchange with the grid, is as incredible as it sounds. Let’s step into the world of solar energy.

Birth of a Solar Panel

It all starts with the key ingredient: silicon, the second most abundant element in the Earth’s crust. Through extensive processing, this sand-derived material is purified and transformed into silicon wafers, the building blocks of solar cells. These wafers are treated and layered with other materials to form a photovoltaic (PV) cell, which can convert sunlight into electricity. When sunlight hits a PV cell, it excites electrons, kicking them into a higher state of energy and creating an electrical current.

These individual cells are then assembled into a solar panel, encased in protective materials to withstand the elements, and finally, equipped with electrical hardware. From here, they are ready to begin their journey to various destinations around the globe.

From Factory to Rooftop

Once manufactured, solar panels need to reach their new homes, whether it’s a residential rooftop, a commercial establishment, or a vast solar farm. This distribution process involves a complex network of supply chains, transportation, and regulatory navigation through customs and tariffs. Upon reaching their destination, certified installers take the helm, ensuring the panels are strategically positioned for maximum sun exposure and securely connected to the property’s electrical system.


The Regulatory Maze

Solar installation isn’t just about hardware; it’s also about paperwork. Homeowners and businesses often navigate a maze of permits, regulations, and incentives. These regulatory processes, while sometimes cumbersome, are crucial for ensuring safety, compliance with building codes, and qualification for financial incentives that can significantly reduce the cost of solar installation.

Harvesting the Sun

With the panels installed, the magic begins. Each day, these photovoltaic systems capture sunlight, initiating a flow of electrons and generating direct current (DC) electricity. This DC electricity is funneled to an inverter, transforming it into the alternating current (AC) electricity used to power buildings. Now, the property is running on solar energy, reducing its reliance on the grid, and often slashing energy bills in the process.

Interacting with the Grid

But what happens to the excess energy produced, especially on particularly sunny days? This energy doesn’t go to waste. Through net metering, surplus energy can be returned to the grid, often earning the system owner credits. The property remains connected to the grid, drawing energy during the night or on cloudy days, and contributing excess power when production is high.

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Maintenance and Monitoring

The journey doesn’t end once the panels are up and running. Ongoing monitoring and occasional maintenance are key to ensuring they operate efficiently. Fortunately, many modern systems offer sophisticated monitoring software, allowing owners to observe their system’s performance in real-time.

Embracing the Solar Revolution

Understanding solar energy is parecognizing its incredible journey from sand to power generation. As we continue to seek sustainable solutions, embracing solar is more than adopting a technology; it’s supporting a cleaner, more resilient energy grid, and a brighter environmental future.

Have Questions about How You Can Make Solar Work For You?
New England Clean Energy is all about making it easy for you to get started and we offer several different ways to find out how solar can work for your home or business

You can talk to Our Experts at 877-886-8867 or Get a Ballpark Estimate using our AI-driven estimation tool.