
If you're unsure who supplies your electricity, there are several ways to find out. You can check your electricity bill, which contains a ''Distributor ID' number that can help you identify your network operator. Your network operator is not the same as your energy supplier, but they can tell you who your supplier is. If you live in England, Scotland, or Wales, you can call 105 for free to be connected to your distribution network operator. If you're in Northern Ireland, call 03457 643643. Alternatively, you can check your email inbox for any communications related to 'electricity', 'gas', or 'energy'. If you have a smart meter, you can check the In-Home Display unit for your supplier's details. You can also use the Find My Supplier service with just your postcode.
| Characteristics | Values |
|---|---|
| Electricity network operator | The company that maintains the wires that bring electricity to your home or business. |
| How to find your electricity network operator | Check the Power Cut 105 website or call 105 for free if you live in England, Scotland, or Wales. If you're in Northern Ireland, call 03457 643643. |
| Difference between electricity network operator and energy supplier | Your energy supplier is a different company that you pay to use electricity. |
| How to find your energy supplier | Check your email inbox, bills, or your smart meter's In-Home Display unit. You can also use the Find My Supplier service with your postcode or contact your local electricity distribution company and the Meter Number Helpline. |
| Meter Point Reference Number (MPRN) | A unique identifier for your gas supply. |
| Meter Point Administration Number (MPAN) | A unique identifier for your electricity supply. |
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What You'll Learn

How to find your electricity supplier
If you've just moved into a new home and are unsure about who supplies your electricity, there are several ways to find out.
Firstly, you could ask the letting agent, landlord, or previous tenant or owner of the property. If the previous occupier has informed their electricity supplier that they're moving out, the supplier will likely send you a letter addressed to 'The Occupier', which should provide the details of your electricity supplier.
If you've been living in your property for a while or if the previous tenant didn't inform their electricity supplier, you may need to contact your local electricity distribution company or the Meter Number Helpline to find out who your supplier is. You can also check your email inbox by searching for 'electricity', 'gas', or 'energy'. If you have a smart meter, you can check the In-Home Display unit for your supplier's details.
Another way to find your electricity supplier is to first identify your electricity network operator, which is the company that owns and operates the cables in your area. You can check who your electricity network operator is on the Power Cut 105 website using your postcode. Once you know your network operator, you can visit their website and search for your electricity supplier using your postcode, or by filling out a form.
If you live in England, Scotland, or Wales, you can call 105 for free to be connected to your distribution network operator. If you're in Northern Ireland, call 03457 643643. You can also enter your postcode on the energy networks website to find out who your distribution network operator is.
It's important to know who your electricity supplier is so that you know who to contact in case of an energy-related problem, such as a power cut or an unusually high bill.
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Contacting your electricity supplier
There are several ways to find out who your electricity supplier is. This information is important to have, as it allows you to know who to contact in case of an energy-related problem, such as a power cut or an unexpectedly high bill.
Firstly, if you have just moved into a new property and are unsure of your electricity supplier, you can ask the letting agent, landlord, or previous tenant or owner of the property. The previous occupier may have informed the electricity supplier that they are moving, in which case the supplier will likely send a letter addressed to "The Occupier" with details about your electricity supplier.
If you have been living in your property for a while or if the previous tenant did not inform the electricity supplier of their move, you may need to contact your local electricity distribution company and the Meter Number Helpline to find out who your supplier is.
Another way to find out who your electricity supplier is by checking your email inbox for any emails related to electricity, gas, or energy. If you have a smart meter, you can check the In-Home Display unit for your supplier's details. You can also use the Find My Supplier service to identify your electricity supplier; this service only requires your postcode.
Additionally, your electricity bill may contain a 'Distributor ID' number, which can help you identify your network operator, who can then inform you of your electricity supplier. Your network operator is different from your energy supplier, as they maintain the wires that bring electricity to your home or business.
Finally, if you live in England, Scotland, or Wales, you can call 105 for free to be connected to your distribution network operator, who can then tell you your electricity supplier. If you are in Northern Ireland, you can call 03457 643643.
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Electricity network operators
Your electricity network operator is responsible for maintaining the wires that bring electricity to your home or business. They are different from your energy supplier, which is the company you pay to use electricity.
To find out who your electricity network operator is, you can look at your electricity bill, which contains a 'Distributor ID' number. This can help you identify which network operator looks after your connection. You can also enter your postcode on the Energy Networks Association website to find out which operator serves your address. If you live in England, Scotland, or Wales, you can also call 105 for free to be connected to your distribution network operator. If you're in Northern Ireland, call 03457 643643.
There are two main types of electricity network operators: transmission operators and distribution operators. Transmission operators move electricity over long distances using power lines from power stations to different parts of the country. Distribution network operators then take that electricity and deliver it to homes and businesses using smaller power lines and cables. Some homes and businesses are connected to independent distribution networks, which focus on ensuring electricity flows smoothly in specific areas.
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Distributor ID
A 'Distributor ID' is a number indicated on your electricity bill that helps identify your electricity network operator. Your electricity network operator is different from your energy supplier. They maintain the wires that bring electricity to your home or business and help connect your home to electricity. They can also fix power cuts that are not caused by problems inside your home.
Your Distributor ID is like a unique ID for your electricity supply. It is a special code that helps identify and manage the electricity going into your home. Just like a mailing address helps the post office send letters to the right place, the Distributor ID helps energy companies keep track of how much electricity you use and ensures that they send the correct bills to the correct people.
If you are unsure who your electricity supplier is, your distribution network operator (DNO) should be able to tell you. If you live in England, Scotland, or Wales, you can call 105 for free to be connected to your DNO. If you are in Northern Ireland, call 03457 643643. You can also enter your postcode on the Power Cut 105 website to find out who your electricity distribution network operator is.
Once you know who your network operator is, you can visit their website to search for your electricity supplier. You can usually search using your property's postcode, but some network operators might ask you to fill in a form.
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MPAN (Meter Point Administration Number)
An MPAN, or Meter Point Administration Number, is a 21-digit reference number used in Great Britain to identify electricity supply points for individual domestic residences. It is like a unique ID for your electricity supply, acting as a special code that helps identify and manage the electricity going into your home. Just like a mailing address ensures you receive the right post, an MPAN ensures your energy supplier can accurately track your electricity usage and send you the correct bills.
Each MPAN is made up of several codes. Each non-half-hourly supply has a four-digit code called the Standard Settlement Configuration (SSC), which specifies the number of registers a meter has and when each register is recording electricity usage. The times that a register is recording is specified with a five-digit code called the Time Pattern Regime (TPR). The MTC is a three-digit code that reflects the various registers a meter may have, such as a single rate, day/night split, or seasonal time of day. The Line Loss Factor Class or LLFC is an alphanumeric code used to identify the related Distribution Use of System (DUoS) charges for the MPAN. The MPAN core is the final 13 digits of the MPAN, which uniquely identifies an exit point.
The Metered Supply Point (MSP) is the point at which the meter measuring a customer's consumption is located. In order to firmly establish an MSP, the MPAN needs to be associated with a meter serial number. Although it is common for an MPAN to be associated with one meter serial number, in some cases, there is a many-to-many relationship. For example, one meter could be associated with both an import and an export MPAN, or one MPAN could be measured by three separate meters.
If you are moving house or switching energy suppliers, you will need to know your MPAN and MPRN numbers. You can find your MPAN on your electricity or dual fuel bill, usually in a box marked 'Supply Number'. You will only need the last 12 or 13 digits when contacting your supplier about your account or submitting a meter reading. If you have just moved and do not have a bill, contact your supplier directly to find out what your MPAN is. If you don't know who supplies the energy to your new home, you'll need to call the Local Distribution Centre (LDC) for your region.
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Frequently asked questions
You can find out who your electricity supplier is by consulting a recent energy bill, checking your email inbox for any emails containing the words 'electricity', 'gas', or 'energy', or checking your smart meter's In-Home Display unit.
If you've just moved into a new property and don't know who your electricity supplier is, you can try asking the letting agent, landlord, or previous tenant or owner of the property. The previous occupier may have already contacted the electricity supplier to let them know they're moving, in which case, the supplier may send you a letter with the necessary details soon after you move in.
You can usually contact your electricity supplier by phone, email, or online chat.
MPAN stands for Meter Point Administration Number. It is a unique identifier for your electricity supply, similar to a mailing address for billing and tracking purposes.
If you experience a power cut, you can contact your local electricity distribution network operator. If you live in England, Scotland, or Wales, you can call 105 for free. If you're in Northern Ireland, call 03457 643643.










































