1. Local agriculture committee, development and reform commission or mayor's hotline: If users change coal to electricity by themselves, they can call the city and county agriculture committee, development and reform commission or mayor's hotline in charge of coal to electricity for consultation.
2. Local Energy Bureau: If the enterprise changes from coal to electricity, you can consult the local energy bureau.
3. Local gas company or power company: If a household changes coal to electricity, it can consult the local gas company or power company first.