阶梯电价始于上世纪70年代,在爆发第一次石油危机之后,能源和环境问题日益受到发达国家的重视,居民阶梯电价也应运而生。如今,阶梯电价不仅在美国、日本、韩国等多数发达国家使用,还在一些发展中国家,如泰国、菲律宾、埃及等国采用,有些国家不仅将阶梯电价引入居民用电,还在工商业用电中实行。 The price of ladder began in the 1970s. After the first oil crisis broke out, energy and environment problems were increasingly valued by developed countries. Resident ladder electricity prices also came into being. Today, the price ladder is not only used in most developed countries such as the United States, Japan and South Korea, but also used in some developing countries such as Thailand, the Philippines and Egypt. Some countries not only introduce price ladder electricity into residential electricity but also industrial and commercial electricity In the implementation.