How Do You Read an Electricity Meter?
The page identifies five meter types in use:
- Standard Meters — mechanical revolving disc meters with one row of numbers
- Electronic Meters — digital display recording consumption
- Smart Meters — digital meters relaying live consumption to providers
- Pay As You Go (PAYG) Meters — two-component systems with meter and keypad
- Gas Meters — clock disk meters replaced by digital versions
How Do You Read a Standard Electricity Meter?
Mechanical revolving disc meters have a display with five black digits and one red digit. Submit only the first five black digits, ignoring red digits or figures in red boxes.
How Do You Read a Nightsaver Electricity Meter?
Nightsaver meters are mechanical revolving disc meters displaying both readings on the same meter. Users must note both figures.
Night charges apply:
- 11pm to 8am (late December through late March — winter)
- 12am to 9am (late March through December — summer)
How Do You Read a Digital Electricity Meter?
Read the numbers from left to right. Be sure to include all the digits.
For Time of Day meters with blue display buttons, press to scroll from day to night readings. Day reading shows "2" on the left; night reading shows "1" on the left.
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How Do You Read a Smart Electricity Meter?
Smart meters automatically send readings to your supplier and eliminate the need for taking meter readings.
Display Types:
- Default display: Shows cumulative kWh for 24-hour period, current time-of-use tariff (T1, T2, T3), and meter connection status
- Cumulative kWh display: Toggle between T1, T2, T3 to view energy usage patterns
- Other options: Press left button to scroll through displays
Manually Reading Your Smart Meter
- Press the Blue Button repeatedly to cycle through information screens
- Look for T1, T2, T3 labels corresponding to tariff periods:
- T1 (Peak): Busiest times (e.g., 5pm-7pm)
- T2 (Day): Standard daytime hours
- T3 (Night): Off-peak night hours
- Record the reading from left to right for each tariff code
How Do You Read PAYG Meters?
A PAYG meter (also known as a prepayment meter) will not show you your current reading on the screen, instead it will display your credit.
To obtain a meter reading, simply press number nine on the keypad.
Note: Many PAYG meters have two components — the meter and the keypad (normally positioned to the side).
How Do You Read a Gas Meter?
Gas meters fall into two categories: older mechanical dial meters and modern digital meters.
Reading a Digital Gas Meter
Simply read the numbers from left to right, ignoring any numbers that appear after a decimal point, are enclosed in a red box, or have a coloured background. The reading shows consumption in cubic metres (m3).
Reading a Dial (Clock) Gas Meter
- Ignore the dial on the far right (measures small units for testing)
- Read remaining four or five dials from left to right
- If arrow points between two numbers, always take the lower number
- If arrow points directly at a number, check the next dial to the right. If next dial is past zero, record the number. If next dial is on or before nine, record the lower number.
Meter readings are conducted up to four times yearly. Submit readings when moving in or out of a property.
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Where Is My Electricity Meter?
Modern gas and electricity meters are normally located outside dwellings in a meter box or cabinet, usually attached to a wall.
If gates or fences are put in to separate the front and back garden, they must be behind the meter box, so that technicians can access it.
I Don't Have a Garden. Where Is My Electricity Meter?
A meter box could be located inside the house. Common indoor locations include:
- Under the stairs
- Under the sink
- In the garage
- In a cupboard
- Near the entrance
I Live in an Apartment. Where Is My Electricity Meter?
In apartment complexes, ESB electricity and/or gas meters are normally located in meter banks on the ground floor, in the basement or outside.
Often, tenants and owners will not have access to where the meters are kept, and will need to speak to the building manager or apartment complex management company.
Identify your meter by matching its MPRN or GPRN on your electricity or gas bill.
Why Do I Need to Take Electricity Meter Readings?
Regular meter readings allow you to monitor your energy consumption. They also ensure that you receive accurate bills from your gas or electricity supplier and are not overpaying on your home energy.
Readings occur up to four times yearly. Submit readings when moving in or out.
Who Manages Electricity Meter Readings?
ESB Networks deals with electricity meter readings, regardless of which supplier you have. The company is responsible for all electricity meters in Ireland, no matter the type of meter you have.
Meter readers visit properties up to four times yearly. If absent during visits, they will leave a card with information about how to submit your meter reading online or by phone.
Submission requires your Meter Point Reference Number (MPRN).
Who Deals with Gas Meter Readings?
Gas Networks Ireland handles your gas meter readings. As with electricity meter readings, a meter reader will come up to four times per year from Gas Networks Ireland.
If unable to access the meter, you will be given a 'no access' card with your Gas Point Reference Number (GPRN). Submit readings online or by phone.
What If I've Missed an Electricity Meter Reading?
If for some reason engineers were unable to access your meter, you will receive an estimated energy bill.
Estimated bills are generally terrible for managing your household budget, and particularly in the colder months, can lead to some nasty surprises on your next bill.
Contact Details for Meter Readings Submission
| Meter Type | Phone | Online Submission |
|---|---|---|
| Electric (ESB) | 1850 33 77 77 | Online Reading Submission |
| Gas (Gas Networks Ireland) | 1850 427 732 | Online Reading Submission |
Using Your Electricity Meter Reading to Calculate Estimated Energy Cost
To calculate usage and estimate costs, you need:
- Your New (Current) Meter Reading (in kWh)
- Your Old (Previous) Meter Reading (in kWh)
- Your Unit Rate (in €/kWh) — found on your latest energy bill
Formulas:
Usage (kWh) = New Reading - Old Reading
Estimated Cost = Usage (kWh) x Unit Rate (€/kWh)
500 kWh = 12500 - 12000
Estimated Cost = 500 kWh x €0.30/kWh = €150.00
Note: This calculation estimates unit cost only; it excludes standing charges, PSO levies, or VAT.
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The Importance of MPRN and GPRN
Your meter reading must be linked to the correct supply point using:
- MPRN (Meter Point Reference Number): Unique 11-digit number for electricity supply point
- GPRN (Gas Point Reference Number): Unique 7-digit number for gas supply point
They are not the same as the meter serial number. The MPRN and GPRN identify the physical location of the supply point, regardless of which meter is installed there.
Find these numbers on past bills or stamped/labelled on the meter box door.