What is an ESI ID number?
This is an Electric Service ID number. It identifies the property address and owner. It is a seventeen (17) digit number given to you by AEP. You will need to contact AEP at 1-877-373-4858 to get this “ESI ID” number. You need to give this “ESI ID” number to the Building Department. After the meter is inspected this “ESI ID” number and meter approval is faxed to AEP.