What's clean energy?

Clean energy, that is, green energy, refers to energy that does not emit pollutants and can be directly used for production and life, including renewable energy. Green energy in a narrow sense refers to renewable energy such as hydro, biomass, solar, wind, geothermal and ocean energy. These energy sources can then be recovered and replenished with little pollution. In a broad sense, clean energy includes the selection of energy sources with low or no pollution to the ecological environment, such as natural gas, clean coal, and nuclear energy, in the process of energy production and consumption.

Compared with other energy sources, solar energy has many advantages, such as: (1) The total amount of solar energy received by the earth in one year is far greater than the human demand for energy. (2) Widely distributed, no mining and transportation are required. (3) There is no depletion problem and can be used for a long time. (4) Safety and hygiene, no pollution to the environment, etc. Therefore, solar energy will surely occupy an important position in the future energy structure. At present, its development and utilization have been highly valued by people, and great progress has been made.

The main technologies used in solar energy utilization are: photoelectric conversion and photothermal conversion. Playing a key role in these technologies are photoelectric conversion materials and photothermal conversion materials. The main photoelectric conversion materials are silicon and germanium semiconductor materials. The newly developed GaAs and CdS materials can realize low-cost manufacturing of large-area solar cells, and the main product is solar cell panels.

The United Nations Climate Change Conference in Paris in 2015 became a watershed in the development of renewable energy, re-emphasizing the importance of renewable energy development, the conference pointed out that by doubling the proportion of renewable energy by 2030, renewable energy will account for the final The proportion of total energy consumption reaches 36% to control climate change and achieve sustainable development goals. Facing the severe situation of tightening resource constraints, serious environmental pollution and ecosystem degradation.

Solar energy is green energy, not only because of its benefits for the environment, it also has the huge benefit of saving you money. Over the years, solar has paid for itself and paid off on your investment. There are also programs within the government that allow you to get a refund just for installing solar in your home. By reducing your electricity bills (over time, eliminating them entirely), you can save on high electricity bills, use the air conditioner as much as you want, and spend the savings on things you and your family really enjoy. Stop overpaying for electricity.

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