Solar Energy Facts
Solar Energy Facts - What is solar energy?
Solar cells in the solar panels mounted on your roof convert sunlight directly into DC power. A component called an inverter converts this DC power into AC power that can be used by your house or business. The system is interconnected with your utility or grid electricity supply. This is why it is called a grid connect system. During the day, if your solar system produces more electricity than you are using, your utility may allow net metering, in which case you get a credit for the amount of kwh (kilowatt hours) of power that you feed back into the grid. You can find out more about the net metering offered by your power company in by searching our incentives and rebates for home solar power page for your state.
Your electricity company continues to provide power as usual at night and during the day when your electricity demand exceeds that produced by your solar power system. A solar inverter is a device that transforms DC battery or solar panel voltage into mains type AC power; suitable for use by regular appliances. A solar inverter is an integral part of a system, but attention to this aspect is often overlooked. You can have the best solar panels available, but if your solar inverter is of poor quality, overall system performance can be greatly impacted.
Here is a diagram that shows how it works:
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