Our price comparison shows that bill reductions of as much as €600 can be made in just one year by switching to the deal from the cheapest electricity supplier. (Based on Average Usage)
Currently, there are 8 different residential electricity suppliers in the country. As a result, it can sometimes be difficult to find out who has the Cheapest Electricity Prices in Ireland.
The supplier who has the lowest unit rate per Kwh may not work out as the cheapest overall when standing charges and promotional offers are included.
The figures shown in our electricity price comparison are based on a household electricity usage of 4200 kWh per year. This would be typical of a 3 or 4-bedroomed household with 3 or 4 occupants.
The prices shown are for new customers only. The prices include the VAT reduction on energy. and the reduced PSO Levy
Any cashback offers are included in the prices.
Who is the Cheapest Electricity Supplier in Ireland?
Prices were checked for new customers on September 19th 2023 . One-year contracts only. (Not Smart Plans)
You can do your own comparison at the useful Switcher website
You should also register at One Big Switch which often arranges good deals with energy providers for members. Once you are registered they will let you know about any energy deals they have agreed with suppliers.
The 3 Cheapest Electricity Prices
| Electricity Supplier (Cheapest First) | Price of Electricity in Year One for 4200 KwH |
|---|---|
| SSE | €1687 |
| Bord Gais | €1731 |
| Flogas | €1756 |
SSE Airtricity currently has the lowest price – at €1687 in year one. This price takes into account their price reduction on Nov 1st
Bord Gais Energy is the next cheapest at €1731 in year one for average usage. (Fixed rates)
You can do your own comparison at the useful Switcher website
Note – This Electricity Price Comparison is based on the kWh rate for the Residential 24 Hour Urban Tariff. Prices are rounded to the nearest Euro and include VAT, Standing Charges ,PSO Levy and any cashback offers.
The prices shown above are usually for new customers only.
It’s important to stress that even if you have previously switched – you could save even more by switching again. After a year on a discounted rate – the energy suppliers will usually put you on their standard rates.
You can see an electricity price comparison for rural tariffs here.
Who Is The Most Expensive Electricity Supplier in Ireland?
These are the charges for average usage customers on standard rates (not introductory discount offers). The suppliers with the highest bills are shown first. (Figures correct as of Sept 17th 2023)
| Electricity Supplier | Annual Electricity Bill |
| Flogas | €2297 |
| Pinergy | €2189 |
| Electric Ireland | €2089 |
| SSE Airtricity | €2050 |
| PrePay Power | €2046 |
| Bord Gais Energy | €2032 |
| Energia | €1975 |
How many units of electricity does a household use per day in Ireland?
On average – a house in Ireland will use about 12 units of electricity a day – ( 4200 units in a year.)
If you also have gas you should probably take a look at our Dual Fuel Comparison
If you are not an average user of electricity – see some more comparison figures for electricity prices here.
Switch and Save Every Year
The central message is that you could save as much as €600 in one year by changing your electricity provider.
Even if you already switched your electricity supplier more than a year ago – it is worth your while switching again. You should treat energy supply like insurance, shop around and look for the cheapest electricity deal once a year. Loyalty does not pay.
The main energy price comparison sites sometimes don’t automatically include cashback offers in their calculations. The figures in the table above do include all cashback offers.
You should register at One Big Switch which often arranges good deals with energy providers for members. It’s free and once you are registered they will let you know about any energy deals they have agreed with suppliers.
Most suppliers will sign you up for a 12-month contract. You will usually be charged an exit fee of around €50 if you leave early.
Our advice is to compare electricity prices after the contract is up and switch again to the supplier with the cheapest electricity prices in Ireland. Sometimes paying the exit fee could be worth it if a new supplier is offering a very good deal.
Find some useful energy-saving tips here .
Finally, if you are interested in other ways of reducing household bills – you should check the following articles.
Comparison of Gas Prices
Cheapest Broadband Deals
Solar Panels – How Much Can You Save?
More Money Saving Tips here
Average Electricity Bills in Ireland
Grants for Heat Pumps
Electric Car Charging Costs