Every meter has its own individual Meter Serial Number (MSN) - a unique set of numbers to identify your meter. But what is it and why do you need to know?
Disclaimer: The information on this page was last updated on 23/12/2022, 13:24:48
A Meter Serial Number (MSN) is a number you’ve probably never had to supply or think about, so you might not even know it exists. However, it’s a number you should check against your bills or a lot of problems could arise in the future. Don’t worry, though, let’s find out more about your MSN together!
A Meter Serial Number (MSN) is a set of numbers and letters unique to your gas or electricity meter. Each individual meter has its MSN included on a national database which is used by your energy provider to make sure they’re billing your address correctly. Your MSN will be on the front of your meter and also on your bill.
A meter serial number (MSN) is different from an MPAN (Meter Point Administration Number) or an MPRN (Meter Point Reference Number). An MSN refers to the meter, while MPAN and MPRN refer to the supply location. If your meter is changed, your MSN will also change, but your MPAN or MPRN will stay the same.
It’s not likely that you’ll need to know your MSN off the top of your head, however, it’s still helpful to know where you can find it, just in case. You might need it if:
The easiest way to find your MSN is by looking at a recent energy bill. You can generally find it under the ‘meter readings’ section. If you can’t find your meter serial number on your bill, it will be on the front of your meter.
Give us a quick call and we can give you your MSN, MPAN & MPRN in seconds. We can also help you with any other query you may have about your energy supply!
If you have a newer gas meter, there should be a barcode on the front. Near this barcode, there will be a combination of letters and numbers which come together to make your gas meter serial number.
If you have an older gas meter without a barcode, your gas meter serial number will be in a prominent place on the front of your meter. It will usually be stamped in red.
On a traditional meter, your MSN will usually start with an L and end with an M while your smart meter’s MSN should start with G4P. Any gas meter serial number tends to be longer than an electric meter serial number.
On your modern electricity meter, you can find your electricity meter serial number near the barcode on the front of the meter. It will be made up of several numbers and letters, indicating the manufacturer, the year it was made, and a short sequence unique to you.
If you have an older meter, you might not have a barcode on the front of the meter, however, you can still find your electric meter serial number printed somewhere on the front. It might be on a sticker, printed directly on the meter, or engraved in.
Most electricity meter serial numbers will start with the letter F and will be a lot shorter than the MSN on your gas meter. If you have a smart meter, it might begin with either 14P or 15P.
If you still can’t find your gas or electricity serial number, contact your supplier and they should be able to find it on the meter serial number national database and tell you what it is.
Matching Meter Serial Numbers makes sure that you’re being billed correctly. If your serial numbers on your meter and your bill are different, you could be paying for a different customer’s energy use.
If you’ve changed your meter and the MSN hasn’t been changed on your bill, you should contact your energy supplier to make sure it’s put right. While you won’t be paying for someone else’s energy use, different problems might arise in the future when it comes to paying bills or switching providers.
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