Here are some things you might find helpful: What is a supply number?
Your supply number or 'mpan' is a unique identification number for your electricity supply. It can be found on the most recent electricity bill and should look like this: 
To enter this on the form opposite please format your code like this example:
S-03-456-789-11-1234-5678-910
Gas Numbers
The numbers are shown on the bill as a row of numbers i.e. KODO7358
The Meter Serial number is entered on the bill or on your Gas Meter Front.
MPR.................................
Serial No .......................... |
