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How to read your gas & electricity meter

Gas and electricity meters track how much energy you use. Here’s how to read your meter and keep on top of your energy bills.

Why do you need to read your meter?

Taking regular meter readings and submitting them to your supplier ensures you’re only charged for the energy you actually use.

If you don’t supply meter readings, your energy supplier will estimate your usage which will affect how much you are paying. This could mean:

  • If you pay too little, you could face a hefty bill further down the line.
  • If you pay too much, you’ll have to wait for your supplier to refund you the difference.

Reading your gas or electricity meter

How you read your meter depends on the type of meter you have installed in your home. Older houses will tend to have dial or mechanical meters.

How to read a standard mechanical meter

  1. Note the five black numbers from left to right including any zeros
  2. Ignore any red numbers (if present)

Here’s an example:

Electricity meter dial with reading

Your meter reading would therefore be 05812.

How to read a digital meter

  1. Press the indicated button to get the reading to display
  2. Note the five numbers from left to right including any zeros
  3. Ignore any figures after the decimal point or comma

Here’s an example:

image digital meter

Your meter reading would therefore be 01842.

How to read a dial meter

  1. The meter displays a series of 4 or 5 dials that need to be read from left to right.
  2. If the pointer is halfway between two numbers, use the lower number, e.g. if it is between 6 and 7, use 6.
  3. If the dial is between 9 and 0, round down to 9.

Here’s an example:

Dial gas meter for meter reading

Your meter reading would therefore be 2343.

How to read a day & night meter (Nightsaver customers)

These meters either have Day and Night or the digits 1 and 2 or the Roman numerals I and II beside each reading. 1 refers to night-time usage and 2 refers to daytime usage.

Night charges apply between:

  • 11 pm and 8 am late October and late March (winter)
  • 12 am and 9 am late March to October (summer)

night saver meter

How to read a smart meter

You won’t need to take readings with a smart meter from 2021, because they will be sent automatically to your supplier. Until then, just read the figure on the digital display screen from left to right and note down all digits.

ESB Networks is rolling out the National Smart Metering Programme between 2019 and 2024 which aims to replace all existing electricity meters with smart meters. Here are some of the benefits:

  • Less need for manual readings and estimated bills
  • Better information about your usage
  • Quicker diagnosis of faults
  • Easier to switch your energy supplier

If you’d like to know more about smart meters and how they will benefit you, visit ESB Networks to find out more.

When your meter readings don’t match your bill

It’s likely that your bill is using estimated figures, instead of your actual meter readings.

Find your most recent bill and compare your new readings against your last estimated readings. If they are very different, you have been paying too much or too little.

Here’s what you need to do if:

Your reading is lower than the estimate and you may be overpaying:

  • submit your latest gas and electricity reading to your supplier;
  • ask your supplier to refund the overpayment or credit your energy account.

Your reading is higher than the estimate and you may be underpaying:

  • contact your supplier and let them know;
  • discuss the options for repaying the shortfall. You may be able to add the extra cost to future bills or make a one-off payment.

How to submit a gas meter reading

Once you’ve taken your reading, you usually have a choice of how to submit it to your supplier, for example by text, website or mobile app.

There is also an option to provide you readings directly to the energy networks if you are unsure who your supplier is or don’t have their details to hand:

To submit a gas meter reading by phone, call Gas Networks Ireland on 1850 427 732 anytime, or use their online meter reading service. You will need to provide your:

  • Gas Point Reference Number (GPRN)
  • Current meter reading

To submit an electricity meter reading, visit the ESB Networks website. You will need to provide your:

  • Meter Point Reference Number (MPRN)
  • Current meter reading

If your gas or electricity meter reading looks damaged, contact your supplier as soon as possible to let them know there could be something wrong with your meter.

What is the GPRN?

The GPRN is the Gas Point Reference Number, which is a unique identifying number for the gas meter at your property. It is seven digits long.

What is the MPRN?

The MPRN is the Meter Point Reference Number, which is the unique identifying number for the electricity meter at your property.

You need these numbers if you plan to switch energy providers or are getting a first-time connection to new premises.

How to find your MPRN or GPRN

You can normally find either number on the top right corner of your energy bill.

If you don’t have a previous bill to hand, you can:

  • Ask the landlord or previous occupiers for the number
  • Contact ESB Networks on 1850 372 757 to verify your MPRN
  • Contact Gas Networks Ireland on 1850 200 694 to verify your GPRN
  • If you have an online account or app, you may find the numbers in the account or billing area

Although the MPRN & GPRN are the meter’s identifying numbers, you won’t find them on the meters.

How to save money on your gas and electricity

Submitting meter readings regularly will help you to keep on top of your energy bills and make sure you don’t get any unexpectedly high bills.

Now you know your energy usage, you can start using the figures to compare offers from gas & electricity suppliers across Ireland to find out how much you could save by switching. You can find out more about switching your gas and electricity in our helpful guides section.

If you are a pensioner or low-income household, you may be able to get a fuel allowance. Find out more in our guide about what help is available to pay energy bills.

Switch and save up to €444 on your energy bills

It only takes a few minutes to find a cheaper deal and start saving

Meter reading FAQs

How can I get a smart meter in Ireland?

ESB Networks is overseeing the rollout of all smart meters and are dealing with early registrations for smart meters directly. If you would like to enquire about installing a Smart Meter, please contact them on 1800 928 123 or 01 698 5005.

How do I read my prepayment meter?

Prepayment or PAYG meters will vary, but usually, the display on your meter will show your remaining credit.

  • Change the display from your remaining credit to your meter reading
  • When your reading appears, make a note of the numbers
  • Ignore any numbers appearing in red.

Where can I find my electricity meter?

Electricity meters are often located under the stairs or near the front door. It could also be inside your porch or entrance hall or possibly on an outside wall.

Where can I find my gas meter?

In houses, they tend to be located outside in a meter box or storage area. They may be in the kitchen, under the stairs or in the hallway.

Where is the gas meter in my apartment?

If you live in an apartment, flat or shared dwelling, it is likely that all of the meters are located in one central area outside of your apartment. Check with your landlord or lettings agent if you don’t own the property.