The use of solar energy has the characteristics of universality, harmlessness, great potential and longevity. Use appropriate technology to collect solar energy. Modern solar thermal technology integrates sunlight and uses its energy to generate hot water, steam and electricity, which is economical and environmentally friendly. The specific features of using solar energy are as follows:
(1) Universal: The sun shines all over the land, without geographical restrictions, whether it is on land or sea, whether it is mountains or islands, it is everywhere, and it can be directly developed and used, and it is easy to collect, and does not need to be mined and transported.
(2) Harmless: The development and utilization of solar energy will not pollute the environment. It is one of the cleanest energy sources. This is extremely valuable in today’s increasingly serious environmental pollution.
(3) Huge: The solar radiation energy that reaches the surface of the earth each year is equivalent to about 130 trillion tons of coal, the total amount of which is the largest energy source that can be developed in the world today.
(4) Long-lasting: According to the estimation of the rate of nuclear energy produced by the sun, the storage of hydrogen is sufficient to maintain tens of billions of years, and the life of the earth is also about several billion years. In this sense, it can be said that the energy of the sun is used for Inexhaustible.
