Changing coal to electricity in Xiditou Town, Beichen District, Tianjin is not 30 cents a day. According to the relevant public information, the winter residents' heating electricity consumption involved in the implementation of the coal-to-electricity project is subject to a unified peak-valley time-of-use electricity price policy. The peak period is from 6: 00 to 2 1: 00 every day, and the electricity price standard is 0.49 yuan per kwh, and the low period is from 2 1: 00 to 6: 00 the next day, and the electricity price standard is 0.30 yuan per kwh.