Hubei Jinhuan water plant has 3 sets of water intake and slag water delivery systems and 5 water pumps, with a total reconstruction capacity of about 720kw, an average power saving rate of 20%, a small season of 144kwh, and an annual power saving of about 1.2 million kwh. According to the electricity price of 0.7 yuan / kwh, the annual power saving is 840000 yuan.