Solar panels must be cleaned regularly. If your home is in a filthy region or close to the desert, they should be hosed weekly. Regardless of air born dirt and dust, you should do a through cleaning every couple months. Clean solar panels are productive solar panels.
Have a clear understanding of your daily energy consumption before purchasing a solar electricity system for your home. Solar panels can be costly, and understanding how many you need is important. How many you need will be based on the overall daily energy consumption of your home and family, so having this information is vital in making a smart purchase.
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If you're thinking about installing solar panels to generate your own electricity, make sure that the roof you'll be installing them on gets plenty of good sunlight. Good sunlight occurs between 9am and 3pm. You'll generate the most electricity if your roof receives full, exposed sunlight between those hours every day.