You may be wondering how solar panels can work in an area that has long, harsh winters. After all, solar panels do rely on sunlight in order to deliver power.
But there has been much innovation and improvement in solar panel technology in the last 10 years. Now this technology has progressed to the point that solar panels can easily produce electricity even on cloudy, snowy or rainy days.
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If you have an off grid system that works independently from a energy utility company, your solar energy system will have a set of storage batteries. These batteries are similar to the kind used in cars. They are made to hold any excess energy that your solar panels make during the daylight hours. If the battery storage system is correctly designed for your region, it will include the right number of these batteries to store electricity for the number of cloudy days that are normal for where you live.
If your system is tied to the grid (connected to the local electric company) it won’t require storage batteries. When the sun goes down at night, or during a spell of inclement weather where you don’t see the sun for days, your electrical system will automatically obtain electricity from your local energy company. Of course, on sunny days, your solar panels will be providing your electricity, so you will still be reaping the benefits of lower electric bills.
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In some areas, you may even be able to sell electricity back to your local power company. This is yet another way solar panels can prove cost effective. The way this operates is that any surplus power that your solar panels produce goes back into the grid system and you are allowed a credit for it on your energy bill. So even if you need to use electricity from the grid at night or on overcast days, the surplus that was produced by your solar panels will still be used to reduce your overall utility bill.










