Cheapest day/night electricity in Ireland (October 2026)

The cheapest day/night electricity tariff for a typical home in Ireland is Energia Electricity Nightstorage Meters at about €1,421.52 in the first year. Across the 10 cheapest tariffs from 4 suppliers, costs run up to €1,626.09.

Typical usage: 4,200 kWh electricity a year, urban, direct debit. Estimates include VAT and standard discounts. Compare with your own usage.

#SupplierTariffFirst yearAfter discounts end
1EnergiaElectricity Nightstorage Meters€1,421.52€1,820.86
2SSE Airtricity1 Year Home Electricity — 35% DD & eBill€1,429.77€2,002.36
3SSE Airtricity1 Year Fixed Electricity V5€1,475.73€2,002.36
4Electric IrelandEnergysaver Nightsaver 16%€1,477.91€1,695.56
5SSE Airtricity1 Year Home Electricity — Nightsaver Meter — DD & eBill€1,511.57€2,002.36
6Bord Gáis EnergyElectricity Discount (Nightsaver)€1,529.08€1,986.95
7SSE Airtricity1 Year Home Electricity — 28% DD & Post€1,544.29€2,002.36
8EnergiaElectricity Day Night€1,575.63€2,004.42
9SSE Airtricity1 Year Home Electricity — Nightsaver DD & eBill€1,593.37€2,002.36
10SSE Airtricity1 Year Home Electricity — Nightsaver Meter — DD & Post€1,626.09€2,002.36

Prices are estimates including VAT, calculated from each supplier's published rates. Discounts, eligibility and rates change often: always confirm with the supplier before switching.

Questions

What is the cheapest day/night electricity in Ireland right now?

For a typical home (4,200 kWh electricity a year, urban, direct debit), Energia's Electricity Nightstorage Meters has the lowest estimated first-year cost at €1,421.52, including VAT and standard discounts. After any introductory discount ends it is about €1,820.86 a year.

How are these costs worked out?

From each supplier's published unit rates and standing charges, with VAT, levies and any standard discount applied, for typical annual usage. Your own cost depends on how much you use and when.

How often is this updated?

Every day. Prices are read from supplier websites and price lists, and a tariff is only shown once independent checks agree on its rates.

Is the cheapest tariff the best one for me?

Not always. Discounts usually last 12 months, some tariffs need direct debit or online billing, and day/night or smart tariffs suit different usage. Use the comparison tool with your own usage, and check the supplier's terms before switching.

See also