How does solar power work?
Learn how solar power works, from the photovoltaic effect to AC conversion, with clear explanations of clean, renewable solar energy and panel technology.
As we've explained, the solar cells that make up each solar panel do most of the heavy lifting. Through the photovoltaic effect, your solar panels produce a one-directional electrical current, called direct current (DC) electricity. Your home can't use DC electricity directly—it needs to be converted to alternating current (AC) electricity first.
This process is constant. Over 500 million tons of hydrogen atoms are converted into helium every second, resulting in photons that generate solar energy here on Earth. In a nutshell, solar panels generate electricity when photons (those particles of sunlight we discussed before) hit solar cells. The process is called the photovoltaic effect.
The process of converting sunlight into usable electricity involves six key steps: When sunlight hits a solar panel, photons penetrate the anti-reflective coating and enter the silicon photovoltaic cells. Not all photons are absorbed–some reflect off the surface or pass through the material.
On cloudy days and during the night, a solar system may not produce enough energy to meet demand. The opposite is true for very sunny days: When energy use is low but production is high, panels will collect surplus energy, usually more than enough for a customer's energy needs.
Learn how solar power works, from the photovoltaic effect to AC conversion, with clear explanations of clean, renewable solar energy and panel technology.
Discover how photovoltaic panels work and unlock the secrets behind solar energy generation in our comprehensive guide for beginners.
Solar panels work by converting incoming photons of sunlight into usable electricity through the photovoltaic effect.
Wondering how solar panels produce electricity? We look at the science behind the photovoltaic effect and explain how the electricity reaches your home.
Wondering how solar panels produce electricity? We look at the science behind the photovoltaic effect and explain how the electricity reaches your home.
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