How Solar Panels Work & Types of Solar Panels - Solar PV Basics
How Solar Panels Work
How Do Solar Panels Work? Here’s a quick guide to the steps that it takes to turn sunlight into electricity using solar panels:
- Every day, light hits your roof’s solar panels with photons (particles of sunlight).
- The panel converts those photons into electrons of direct current (“DC”) electricity. Naturally, the sunnier it is, the more energy is produced by the panels.
- Those produced electrons flow out of the panel and into an inverter and other electrical safety devices.
- The inverter converts that “DC” power into alternating current or “AC” power. AC power is the kind of electric juice that your television, computer, and toasters use when plugged into the wall outlet.
- A bi-directional meter keeps track of the all the power your solar system produces. Any solar energy that you don’t use immediately will go back into the grid through the meter. Then at night or on cloudy days, that extra solar juice is credited back to your bill. So, net metering is similar to having a virtual battery-back up system (we explain more about grid-tied solar home solar systems later)
By Dave Llorens
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