Who Is My Electricity Supplier?
Use this free interactive tool to find who supplies your business electricity. Enter your postcode for your network operator and MPAN distribution ID, then have us confirm your exact registered supplier. For UK business premises only.
Free interactive electricity supplier lookup
Enter your business postcode, pick your address, and we will show your current electricity supplier on this page.
For UK business premises only. The lookup is free and the result shows on this page, with no email wall.
Have us confirm your exact electricity contract
We will confirm your registered supplier, contract end date and current rate, then call you back. For UK business premises only.
How this helps your business
To find who supplies your business electricity, enter your postcode in the tool above: it returns your local network operator and MPAN distribution ID, then our team confirms the licensed supplier that actually holds your contract. There is no single free public website that lists the supplier for a given meter, so the reliable routes are a recent bill, your Distribution Network Operator, or a free Letter of Authority that lets us check the industry records for you.
This matters because the question hides a common confusion. The first two digits of your MPAN are the distribution ID, and they identify your Distribution Network Operator (look up your DNO region here), the company that owns the cables and substations bringing power to your site. The DNO is not your supplier. There are 14 DNO regions in Great Britain run by six groups, but any of 30+ licensed suppliers could be the company you actually pay. Your supplier is whoever holds your current business electricity contract, and in the fully deregulated GB market that can change every time you switch.
Where to find your supplier and MPAN on a business bill
Your supplier name sits at the top of your electricity bill. Your MPAN (Meter Point Administration Number) is your 21-digit electricity supply number, usually shown in a grid headed with the letter S, or labelled Supply Number. The top rows carry the profile class, meter time-switch code and line loss factor, and the bottom row is the 13-digit core that uniquely identifies your supply point. The MPAN is on the bill, not stamped on the meter, so if you cannot find a bill you can still recover it: use the find my MPAN number tool or contact your DNO, whose records show both the MPAN and the supplier currently registered against it.
No bill, just moved in, or out of contract?
If you have just taken on premises and inherited an unknown supply, the supplier you find is likely to be a deemed contract: the rate set by whichever supplier was already registered, and almost always more expensive than a negotiated tariff. The same applies if a previous fixed-term deal has lapsed and rolled onto out-of-contract rates. The fix is to identify the supplier and contract status quickly, then tender the renewal. Give us the postcode and we will retrieve the registered supplier, the contract end date and the current rate, so you are not paying deemed rates a day longer than you have to.
How Purely Energy helps
Purely Energy is a B-Corp certified UK business energy and water consultancy. We manage 2,000+ sites and more than £100M of annual energy spend for 500+ business clients, with 30+ suppliers on our panel. We work for you, not the suppliers, and we take no hidden commissions. For a single-site SME we run a fast quote; for multi-site and Industrial & Commercial portfolios we model consumption across every meter before going to market. Once we have confirmed your current supplier and end dates, we tender your renewal to target the 15 to 30 percent saving our clients typically achieve. Ready to start? Get a business electricity quote and we will do the legwork.
Frequently asked questions
Who is my business electricity supplier?
Your business electricity supplier is the licensed company that holds your current electricity contract and sends your bills. There is no single free public website that lists the supplier for a meter, so the quickest ways to find it are: check a recent electricity bill, contact your Distribution Network Operator (their records show the supplier registered against your MPAN), or ask Purely Energy to retrieve it for you with a free Letter of Authority.
Is the DNO the same as my electricity supplier?
No. The Distribution Network Operator (DNO) owns and maintains the cables and substations that physically deliver electricity to your premises. Your supplier is the company you have a contract with and pay. The first two digits of your MPAN identify your DNO region, not your supplier. There are 14 DNO regions in Great Britain run by six groups, while any of 30+ licensed suppliers could be your actual contract holder.
How do I find my electricity supplier without a bill?
If you have no bill, for example because you have just moved into business premises, contact your local Distribution Network Operator. You can identify your DNO from your postcode using the lookup above, and their records show which supplier is currently registered against your MPAN. Alternatively, give Purely Energy your business address and we will retrieve the registered supplier, contract end date and current rate on your behalf.
What is an MPAN and where do I find it?
An MPAN (Meter Point Administration Number) is your 21-digit electricity supply number, sometimes called the Supply Number or the grid headed with an S on your bill. The first two digits are the distribution ID identifying your DNO region. The MPAN is printed on your electricity bill, not on the meter itself. The bottom row, 13 digits long, is the unique core that identifies your specific supply point.
Can a business switch electricity supplier?
Yes. The GB electricity market is fully deregulated, so any UK business can switch to any of the 30+ licensed suppliers when its contract allows. The key is your contract end date: most business electricity contracts have a fixed term and a renewal window, and switching outside that window can mean costly deemed or out-of-contract rates. Knowing your supplier and end date is the first step to securing a better deal.
Why does my contract end date matter when checking my supplier?
Your contract end date sets the window in which you can switch supplier without penalty. If you let a fixed-term contract lapse, you roll onto deemed or out-of-contract rates, which are typically far higher than a negotiated business tariff. Finding your supplier and end date together lets you tender the renewal early. Purely Energy clients typically save 15 to 30 percent by tendering at the right time across our panel of 30+ suppliers.
Does my business have solar or export at the same MPAN?
A site with solar panels or other on-site generation often has a separate export MPAN alongside its import MPAN, and the export arrangement can sit with a different supplier. If your premises exports electricity to the grid, check both the import and export supply numbers on your paperwork. Our team can confirm both registrations as part of a free supply check.
Confirm your supplier and beat your renewal
Tell us your business postcode and we will confirm your registered electricity supplier, contract end date and current rate, then tender your renewal across 30+ suppliers. For UK business premises only.