This flow chart shows the information about how the coal can be transferred into electricity to every household. To begin with, we can see that it starts off from the coal, and it would be taken to the power station. According to the graph, the power would go through the transformer and then become electricity. Last but not the least, the electricity would go through national transmission lines and substation to households. In conclusion, these are the processes about how electricity come to houses, shops and other buildings.