It's useful, the help is as follows:
1. The construction and operation of large-scale hydroelectric power plants with an annual electricity production of 3.0 to 4.9 billion kilowatts requires a large amount of labor and will bring employment opportunities, especially for the local population and the workforce. This helps increase employment opportunities and improve the standard of living of local residents.
2. The operation of hydroelectric power plants can provide stable power supply and provide convenience to local industries and residents. It can also provide reliable and cheap energy to the local economy and promote the development of local industry and economy.