2009: Thermal power accounts for about 80%, hydropower for about 16%, and the rest is wind, nuclear, etc. We are now vigorously developing clean energy, so the proportion of thermal energy will decrease, and the trend is to increase the proportion of clean energy such as hydropower. (Search China's electricity supply structure online) In 2010, annual electricity consumption was 4 trillion kWh. (Search China's annual electricity consumption online) It is not possible to stop coal-fired power (thermal power): 1. Developing other clean energy requires a process. The construction cycle of a hydroelectric power station lasts from 5 to 20 years. Although many power plants can be built at the same time, it also takes time. Site selection requirements fornuclear energy are relatively strict, safety must be considered, and development will not be too rapid. Wind energy reserves are limited. 2. Thermal energy has advantages that other electric energies do not have: stability and few restrictions on plant site conditions. Most hydropower is seasonal, and electricity production varies significantly between wet and dry periods. Wind power is also limited by the uncertainty of wind power. 3. Linked to the local economy. This involves the sale of coal companies as well as the operation and development of power companies. By shutting down coal-fired power, coal mines lost huge, high-quality, stable customers. Electric power giants that focus primarily on thermal energy cannot engage in the development of other sources.es energy if they don't have food to eat, they definitely won't. 4. Disadvantages of nuclear energy. The cost of power plants is higher than that of thermal energy. There are no international conclusions on the safety of nuclear energy. As a large amount of cooling water is required, it can only be built in areas where water is abundant and seismic intensity is low. The biggest problem is that the treatment of nuclear waste currently involves landfilling or returning it for disposal. Landfilling is the stupidest method and environmental pollution is inevitable; Recycling requires specialized technology, equipment and processing plants. Current processing capacity is too low and new construction and expansion will take time. (Internet search for disadvantages of nuc energynuclear waste disposal)
46 megawatts are equivalent to 46,000 kilowatts, that is, they can produce 46,000 kilowatt-hours of electricity in one hour at full power. In most areas with available wind resources in the west, the annual hours of use of wind energy are approximately 1,800 to 2,200 hours (in simple terms, hours of use is the time required to convert the annual power generation capacity at full load), which can generate approximately (46,000 kilowatts × 1,800 hours =) 82.8 million kilowatt hours to (46,000 kilowatts × 2,200 hours =) 101.2 million kilowatt hours of electricity. The hours of use of thermal power plants per year are approximately 5,500 hours. After conversion, 46 MW of wind energy is equivalent to (46,000 kilowatts × 1,800 hours/5,500 hours =) 15 MW is (46,000 kilowatts × 2,200 hours/5,500 hours =). ) Thermal power of 18.4 mgawatts. In other regions, this method can be used to convert local wind and thermal energy usage hours based on specific conditions.