The short version: your MPRN is an 11-digit number starting with 10. Fastest source: the top of any electricity bill for the address. No bill? Use the Find My MPRN service inside a free ESB Networks online account, or ring ESB Networks on 1800 372 757 with the address and Eircode. The number on the meter itself is not the MPRN.
Chasing the gas equivalent instead? That is the 7-digit GPRN — it has its own page.
What is an MPRN and why does everyone keep asking for it?
MPRN stands for Meter Point Registration Number. It is the 11-digit identifier — always beginning with 10 — that ESB Networks assigns to every electricity connection in the country. Think of it as the Eircode of your electricity supply: it names the point where the network meets your home, not the meter bolted to the wall and not the account you pay each month.
That distinction is why the number matters so much when you switch. Suppliers come and go from your life; the connection does not. When you sign up with a new supplier, they register a change of supplier against your MPRN with MRSO, the meter registration system operated within ESB Networks. The registration is the entire switch — it tells the old supplier you are leaving, sets the handover date, and carries the closing meter reading. Hand over the wrong number and nothing can even begin.
Two properties of the MPRN do most of the work in this guide. First, it is unique to the premises — one connection, one MPRN, no sharing with the neighbours. Second, it never changes: not when you switch supplier, not when the account changes name, not even when ESB Networks swaps the physical meter for a smart one. Whoever lived in your house in 1998 was on the same MPRN you are on today.
Where can I find my MPRN?
Match your situation to the row. Every route below ends at the same 11 digits.
| Your situation | Where to look | What you’ll see |
|---|---|---|
| You have any electricity bill — paper or PDF, however old | The top of the bill; ESB Networks says suppliers print it in the top right-hand corner | “MPRN” followed by 11 digits starting with 10. Old bills are fine — the number never changes |
| No bill, but the account is in your name | Your supplier’s app or online account, or the ESB Networks online account at myaccount.esbnetworks.ie | The MPRN listed against your address once you register or log in |
| No bill and no account — renter, or the bills go to someone else | ESB Networks’ Find My MPRN service inside a free online account, or their support line 1800 372 757 | The MPRN for the address you give — have the Eircode ready |
| Just moved in, nothing in anyone’s name yet | The front of the electricity meter for the Meter RM and serial number, then ESB Networks with those plus address and Eircode | ESB Networks confirms the MPRN the meter is registered against |
| Mid-switch and the new supplier asks for it | Any of the above — but never quote your old account number in its place | The same 11 digits the old supplier used. It transfers with the premises, not with you |
If the bill is in front of you, you are done — jot the number somewhere that survives, because you will want it again at month 12 when the year-2 cliff makes switching worthwhile all over again. The rest of this page is for everyone without a bill.
How does the ESB Networks Find My MPRN service work?
ESB Networks — the network operator, not a supplier — keeps the register of every MPRN in the country, so they are the authoritative source when no bill exists. As of August 2026 their help page for this lives under Services → Manage my meter → “How do I find my MPRN” on esbnetworks.ie, and it offers two self-service routes.
The online route is the ESB Networks online account at myaccount.esbnetworks.ie. Registration is free, but note the small print that catches people: you need a mobile number, and the name and mobile number you register with must match what your electricity supplier holds for the account. Once inside, the Find My MPRN service surfaces the number for your address. We are not going to walk the form field by field — it is ESB Networks’ form and they change it when they like, so do it on their site.
The offline route is the phone: 1800 372 757 (Monday–Friday 08:30–18:00, Saturday 08:30–13:30, per esbnetworks.ie in August 2026). Give the address and Eircode; the meter serial from the front of the meter helps if the address is ambiguous. This is also the route to use when the online account will not verify you — common in flat-shares where nobody is sure whose name the supplier actually holds.
One reassurance for renters: asking ESB Networks for the MPRN does not touch the supply, does not notify the landlord, and does not commit you to anything. It is a lookup, nothing more.
Is the number on my electricity meter the MPRN?
No — and this is the most common wrong answer people carry to a sign-up form. Walk out to the meter box and you will find numbers printed on the front of the meter: the Meter RM and the meter serial number. They identify that physical device, the way a chassis number identifies a car. The MPRN identifies the connection point the device is plugged into, and it is not printed on the meter at all.
The difference is not pedantry. ESB Networks swaps meters routinely — faulty units, the national smart meter rollout — and every swap changes the serial while the MPRN sits unchanged underneath. Type a serial number into a field expecting an MPRN and it will fail on sight anyway: the serial is the wrong shape, and the MPRN is always 11 digits starting with 10.
Where the meter numbers earn their keep is as a key to the lookup: quote the Meter RM and serial to ESB Networks and they can tell you which MPRN that meter is currently registered against. That is exactly the just-moved-in route below. While you are out at the meter box, take the extra ten seconds to photograph the reading too — you will need it for the switch itself, and here is how to read each meter type.
MPRN vs account number vs meter serial vs GPRN — which is which?
Four numbers orbit an Irish energy switch, and only one of them is the MPRN. Here is the line-up, so you can identify whatever is in front of you by shape alone.
| Number | Looks like | Identifies | Issued by | Changes when you switch? |
|---|---|---|---|---|
| MPRN | 11 digits, starts with 10 | The electricity connection at the premises | ESB Networks | Never |
| Account number | Varies by supplier | You, as one supplier’s customer | Your supplier | Yes — every supplier issues a new one |
| Meter serial / Meter RM | Printed on the front of the meter | The physical meter device | The meter manufacturer / ESB Networks | No — but it changes when the meter is swapped (e.g. smart upgrade) |
| GPRN | 7 digits | The gas connection at the premises | Gas Networks Ireland | Never — the gas twin of this page |
The shapes alone settle most confusion: 11 digits starting 10 is electricity, 7 digits is gas, anything else is a supplier’s own bookkeeping. A dual-fuel switch needs the MPRN and the GPRN — the full shopping list for a switch is in how to switch energy supplier.
I’ve just moved in — how do I get the MPRN?
Moving day is the one time nobody can hand you a bill: the old occupier took theirs, and yours do not exist yet. The premises still has its MPRN — it always did — so the job is purely a lookup, and it is worth doing in the first week.
- Find the electricity meter — hallway cupboard, external box, or a shared landing in apartments — and photograph the front: the Meter RM, the serial number, and the reading.
- Contact ESB Networks with the address, the Eircode, and those meter numbers — through the online account’s Find My MPRN service or on 1800 372 757. They confirm the MPRN registered at the premises.
- Sign up with a supplier of your choosing, quoting that MPRN and your move-in meter reading, in your own name. Do not “take over” the previous occupant’s account or supplier by default — you are free to open with anyone, and the move-in read is what stops you paying for their units.
Do not leave it: the electricity flows from day one whether or not anyone is billing it, and an unregistered occupancy eventually produces a catch-up bill at the incumbent’s standard rates — the dearest way to buy electricity. The wider moving checklist, closing your old address included, is in moving house; if you genuinely cannot tell who currently supplies the place, start with who is my supplier?
What mistakes stall a switch at the MPRN step?
The lookups above take minutes. What actually delays switches is quoting the wrong thing with confidence — three flavours in particular.
Quoting the account number instead of the MPRN. The account number is the biggest number on the bill after the MPRN, and it goes into an awful lot of sign-up forms by mistake. A new supplier can do nothing with it: it identifies your relationship with the old supplier and evaporates when you leave. If the number you are about to type is not 11 digits starting with 10, it is not the MPRN.
Signing up under the old tenant’s name. Renters sometimes keep the previous tenant’s name on the account, or quote their details to a new supplier, because it seems simpler than opening fresh. It is the opposite: the contract, the direct debit and any cashback credit belong to a person who no longer lives there, you have no standing to query the bills, and you inherit the confusion of their account history. Any arrears they left do not follow you — a previous occupant’s debt attaches to their account, not to the MPRN — but only if the account is actually yours. Open in your own name, against the MPRN, from the start.
Reading a number off the meter. Covered above — the serial identifies the box, not the connection, and it fails validation on shape alone.
The fact that makes all of this easy: the MPRN never changes. It belonged to the premises before you arrived and stays after you leave; ten switches and a smart-meter upgrade later it is still the same 11 digits. Look it up once, save it in your phone next to your Eircode, and every future switch starts with the hard part already done.
Where to next?
- How to switch energy supplier — the MPRN is step one; here are the other six.
- Find your GPRN — the 7-digit gas twin, for dual-fuel switchers.
- Who is my supplier? — when the address is a mystery beyond the number.
- Best energy in Ireland — MPRN in hand, this is who to give it to; year-1 and year-2 costs shown side by side.
One footnote for honesty: matched.ie is not a CRU-accredited price-comparison site. We rank suppliers and explain the plumbing, but the CRU’s accredited comparators are listed on cru.ie if you want a regulated switching tool.
