The cheapest electricity provider in Ireland depends on your usage, meter type, and location. In 2026, Bord Gáis Energy, Energia, and SSE Airtricity regularly offer the most competitive new-customer discounts. Electric Ireland is the largest supplier but is rarely the cheapest option for new switchers. The best way to find the cheapest plan for your situation is to compare based on your actual usage — which takes about 2 minutes using the tool above.

Most Irish households switching electricity provider save between €150 and €500 per year. Dual fuel customers (electricity and gas together) and those who have not switched in over 12 months tend to save the most. The saving depends on your current tariff, your usage, and the best available rate at the time of switching. Discount periods typically last 12 months.

Yes, switching electricity or gas provider in Ireland is completely free. There are no exit fees, no switching costs, and your supply is never interrupted during the process. The switch typically takes 2–4 weeks and all you need is your MPRN (for electricity) or GPRN (for gas), both of which are on your bill.

Most introductory discounts last 12 months, after which you automatically move to a higher standard unit rate. Switching every 12–18 months is a good habit to stay on the best available deal. If you do not want to think about it, a monitoring service like Sortd will track your plan and alert you when a cheaper deal appears or your discount is about to expire.

An MPRN (Meter Point Reference Number) is a unique 11-digit number that identifies your electricity connection point. You can find it on any electricity bill, usually near the top alongside your account number. For gas, the equivalent is a GPRN (Gas Point Reference Number). You will need this when registering with a new supplier, though many providers can also look it up from your address.

A standard meter records a single electricity rate at all times. A NightSaver (or Economy 7) meter records day and night usage separately — night rate is cheaper, which benefits households that run appliances overnight. A smart meter records usage every 30 minutes and enables time-of-use tariffs, including EV night rates. Your meter type affects which plans you are eligible for and which offers the best value.

Yes. Dual fuel plans combine electricity and gas from the same supplier, often with an additional discount for bundling both. Providers offering dual fuel in Ireland include Electric Ireland, Bord Gáis Energy, Energia, and SSE Airtricity. Whether dual fuel or separate providers is cheaper depends on your usage split — the comparison tool above calculates both scenarios.

No. Switching energy supplier in Ireland does not affect your physical supply of electricity or gas. The pipes and wires remain the same — only the company billing you changes. There is no interruption to your service at any point during the switch.

The unit rate is the per-kilowatt-hour (kWh) cost of the electricity or gas you use. The standing charge is a fixed daily cost that covers the maintenance of the network, regardless of usage. When comparing energy plans, both figures matter — a low unit rate with a high standing charge can end up more expensive for low-usage households.