Understanding your Bill Your natural gas and/or electricity bill can sometimes be difficult to understand. The local utility bill is made up of two parts, supply and delivery. Historically, the price of natural gas and electricity was state-regulated, and your local utility company provided both supply and delivery. Today, you can choose to get your energy supply from SFE Energy. You will continue to receive just one bill from your local utility company for both your supply and delivery costs. Here is some information to help you understand your natural gas and/or electricity bill.