My manager kept giving me snide remarks for taking the last one yesterday . Sorry we don ' t all get to go home at 10 am and have dinner with our family . <| sep |> It sounds like you are being ripped off however there is a possibility that you aren ' t . It ' s very unlikely , but possible , that there is a single meter and electric box from the electric generation company and a separate private meter that splits off the electric for the granny house . If it was set up like that , turning off the main in the house would shut all electricity off . In this setup there would be 1 bill coming from the electric company in the name of the account holder . The account holder would then need to read the private meter to figure out what was used for that property and split the bill accordingly . The easiest thing to do is talk to the landlord and see how the setup is . Ask to see the bill . If you see it is a single meter ask how the split happens . If the landlord shows you a separate private meter then you know the setup is as I described . If they have no explanation then you know you ' re being ripped off .