A meter serial number is an alphanumeric

Alphanumeric

Alphanumeric is a combination of alphabetic and numeric characters, and is used to describe the collection of Latin letters and Arabic digits or a text constructed from this collection. There are either 36 or 62 alphanumeric characters. The alphanumeric character set consists of the numbers 0 to...

 reference used in Great Britain

Great Britain

Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 to identify an electricity meter

Electricity meter

An electricity meter or energy meter is a device that measures the amount of electric energy consumed by a residence, business, or an electrically powered device....

. Although meter serial numbers are intended to be unique, this can not be assured and duplicate serial numbers do exist. There are a variety of formats used over many years, but many meter serial numbers take the form A##AA###### (e.g. S06DS123456). The first letter indicates the manufacturer, the first two digits indicate the year the meter was calibrated and certified, and the second letter (or pair of letters) indicates the company that purchased the meter. The five/six digit sequence is a serial batch number. There may be a space separating the groups of numbers and letters.

Manufacturer Codes

Letter	Manufacturer
C	CEWE
D	AMPY Metering
E	EDMI
I	Iskraemeco
K	Elster/ABB
P	(PRI) Polymeters Response International
S	Actaris/Schlumberger

Purchaser Codes

Code	Purchaser
BG	BGlobal

See also

• Electricity billing in the UK
  Electricity billing in the UK
  In the UK, an electricity supplier is a retailer of electricity. For each supply point the supplier has to pay the various costs of transmission, distribution, meter operation, data collection, tax etc. The supplier then adds in energy costs and the supplier's own charge.- The bill :The end...
  
  
• MPAN