How much electricity will be automatically cut off in Changsha?

Within 30 days, according to the regulations of State Grid, when Changsha owes 10 yuan, 15 yuan and 20 yuan, it will receive a short message to remind it to pay the electricity bill. If it is overdue for more than 30 days, the electricity will be cut off automatically when the amount of arrears in 300 yuan reaches 200 yuan. After the power failure, the electricity meter will be locked and need to be unlocked in the business hall before it can be used again.