Private rooftop systems also benefit the utility. They are most productive at the same time that demand for electricity is greatest – on summer afternoons, often referred to as ‘peak load times.’ This means that solar owners supply their own needs and put any surplus energy they generate back out on the grid where it is used by their nearest neighbors. Solar owners relieve the peak load on the utility and do not incur line losses when electricity travels through the distribution system from the utility’s power plant.
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