Electricity prices in Ireland and Northern Ireland tomorrow
The day-ahead auction for 23 September 2026 has cleared. The average price will be €210.43 per MWh, with the cheapest interval at €163.13 around 14:00 and the most expensive at €302.59 around 20:00.
Price for each interval, 23 September 2026
23 of 24 intervals at 60-minute resolution. These are wholesale prices, not a household tariff.
Cheapest hours tomorrow
- 14:00 – 15:00€163.13/MWh
- 13:00 – 14:00€163.68/MWh
- 12:00 – 13:00€166.34/MWh
Most expensive hours tomorrow
- 20:00 – 21:00€302.59/MWh
- 18:00 – 19:00€300.00/MWh
- 19:00 – 20:00€299.50/MWh
About this market
The Single Electricity Market covers the whole island of Ireland, spanning two sovereign states and two currencies. It is the clearest example of why a bidding zone is not the same thing as a country.
Method and source
- Source: ENTSO-E Transparency Platform, licensed under CC-BY 4.0.
- Market: day-ahead auction. Zone: IE_SEM. Timezone: Europe/Dublin.
- The daily average is the arithmetic mean of every published interval of the local day, not weighted by volume.
- This is a wholesale price. Network charges, levies, taxes and supplier margin are not included, and a household tariff is typically several times higher.