The selection of frequency regulated power plants in dry season and wet season differs as follows:
1. In the dry season, hydropower plants should be selected as the main frequency regulation power plants, while those with lower efficiency thermal power plant units are responsible for the auxiliary frequency regulation task.
2. During the rainy season, in order to make full use of water resources and avoid abandoning water, hydropower plants must bear stable loads, and medium temperature and medium pressure condensing thermal power plants must bear low efficiency. should undertake the task of frequency regulation.