I’m going for a solar electric system in my home to reduce energy bills and save money.
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{ 4 comments… read them below or add one }
if you want to use electricity at night
Sure..
batteries store the collected energy.
the solar panel receives solar energy and transforms it to electric (see photovoltaic).
this electric energy is stored in the batteries to make it available for use.
sizing the batteries is an important issue. you should well size the batteries for your house.
Batteries are required only if you want backup power in case of a utility outage. Solar energy for home use is basically meant to be ‘on-grid’ – i.e., connected with your utility supplier to reduce dependence on them, but not completely eliminate them.
This means, you have ‘both’ your solar electric system and your utility-supplied power available at all times, working in tandem. Any excess energy that your system generates is sent back to the utility company, which results in you getting lower bills. The savings potential through this method can be both huge and lifelong.
The answer is no.
You can use solar power when you have enough sunlight and you will continue to use your local utility when your system doesn’t have enough light and during the night.