The key is to create electricity at a very high voltage level. The larger the amount of electricity, the less is lost during the journey from the cables to the generators. Once the electricity is in the transformer, it runs to the pylons. The pylons are more commonly referred to as the large metal towers. These towers than bring the electricity to a local transformer near the neighborhood that the electricity will be utilized in on a daily basis. This transformer is then utilized to bring the electricity down to a voltage level that is safe to be utilized to power a home.