A speakeasy, also called a blind pig or blind tiger, is an illicit establishment that sells alcoholic beverages. Such establishments came into prominence in the United States during the Prohibition era (cre. Wikipedia)
According to the Decision, the lowest level is 0-50kWh charged 1,549 VND/kWh. The highest level is above 401 kWh charged 2,701 VND/kWh. That means users who consume more than 400 kWh per month will be charged nearly double.