There are four main advantages about Solar photovoltaic. Universal: The sun shines on the earth, there is no geographical limit whether the land or the sea, whether the mountains or islands, everywhere, can be directly developed and used, easy to collect, and do not need mining and transport. No harm: the development and utilization of solar energy will not pollute the environment, it is one of the cleanest energy, in the environmental pollution is becoming more and more serious today, this is extremely valuable. Huge: The amount of solar radiation reaching the earth's surface each year is equivalent to about 1.3 trillion tons of coal, the largest amount of energy that can be exploited in the world today. Long term: Based on estimates of the rate at which the sun produces nuclear energy, hydrogen stores are large enough to last tens of billions of years, and the earth's life span is estimated to be several billion years.
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