This is the classic Irish switching decision: the supplier most homes were given versus the one switchers keep ending up with. Electric Ireland is ESB’s retail arm — state-owned, on every meter type from NightSaver to prepay, and still the default for hundreds of thousands of homes that never chose it. Energia is the big bill-pay brand priced for people who shop around: 30% off electricity units in year one against Electric Ireland’s 16%, and a gas rate about €105 a year cheaper at typical usage.
The twist is that each supplier wins a different year. Energia’s new-customer year is roughly €74 cheaper on standard electricity (€1,538 vs €1,612) and wider still on smart plans. Electric Ireland’s standard variable year is €207 cheaper (€1,868 vs €2,075), because its 38.04c fall-back rate is one of the lower ones in the market while Energia’s is 42.65c. Both charge €50 per fuel to leave mid-contract, both sell dual fuel, and both wave a green certificate at you. We compare them line by line below — matched.ie is a commercial comparison site, not a CRU-accredited one, and every figure here was checked against the suppliers’ own published prices in August 2026. Full market picture: best energy for Ireland.
Quick comparison
Side by side from published August 2026 prices and contract terms. Green highlights the better figure on each measurable row.
| Electric Ireland | Energia | |
|---|---|---|
| Our score | 7.2 | 7.3 |
| Elec year 1 (EAB) | €1,522 | €1,382 |
| Elec year 2 (EAB) | €1,868 | €1,789 |
| Gas year 1 (EAB) | €1,499 | €1,394 |
| Gas year 2 (EAB) | €1,633 | €1,518 |
| Fuels | Electricity + Gas | Electricity + Gas |
| Dual fuel | Yes | Yes |
| Prepay option | Yes | No |
| Exit fees | €50 incl VAT per fuel if you leave a fixed-term plan early; nothing once the 12 months are up | €50 per fuel if you cancel after the 14-day cooling-off and before the fixed term ends (clause 13.4 of Energia’s domestic T&Cs) — €100 on dual fuel. Nothing to pay at contract end. |
Year one: Energia undercuts the incumbent on every fuel
Energia’s whole pitch is the sign-up year, and against Electric Ireland it lands. On standard 24-hour electricity Energia’s 30% unit discount prices the CRU typical urban home at €1,538 (29.86c/kWh); Electric Ireland’s EnergySaver 16% comes out at €1,612 (31.95c/kWh) — €74 apart. On smart single-rate plans the gap widens: Energia’s Smart 24 Hour is €1,464 at a flat 28.10c against Electric Ireland’s Home Electric+ Saver 20% at €1,522, and Energia’s Smart Data time-of-use plan drops to €1,382 if you can keep load out of the 17:00–19:00 peak. Gas is the quiet win: both discount 10%, but Energia’s cheaper base rate makes it €1,394 a year against Electric Ireland’s €1,499.
| Year-1 EAB (urban, typical use) | Electric Ireland | Energia |
|---|---|---|
| Electricity, 24-hour | €1,612 | €1,538 |
| Electricity, smart flat rate | €1,522 | €1,464 |
| Electricity, smart time-of-use | — | €1,382 |
| Gas | €1,499 | €1,394 |
| Dual fuel (combined) | €2,912 | — not published |
Two honest footnotes. Electric Ireland pays welcome bonuses the annual-bill figures ignore — €120 on the electricity plan, €135 on dual fuel — which closes most of the €74 electricity gap in cash terms for the first year only; Energia’s advantage is in the rate, so it also shrinks the bills a high-usage home actually pays. And Energia does not publish one combined dual-fuel figure (its bundle discounts the two fuels differently), so the only dual number on this page a supplier will put its name to is Electric Ireland’s €2,912. Rate-chasers should still price the whole electricity market before treating this as a two-horse race.
Year two: a €207 swing back — and the gentler rise history
Now run the same two homes twelve months on, discounts expired. Energia’s standard rate is 42.65c/kWh; Electric Ireland’s is 38.04c. That prices the identical urban house at €2,075 with Energia and €1,868 with Electric Ireland — a €207 gap, the other way. Put differently: drifting costs an Energia customer a €537 jump from year one, an Electric Ireland customer €256.
Rise history points the same way. Energia raised standard residential electricity plans 10.9% — and smart-meter electricity plans 12.1% — from 9 October 2025, blaming network and system-operator charges, though it left gas alone. Electric Ireland went 8% on electricity and 7.7% on gas from 1 July 2026, its first increase since October 2022, and left standing charges untouched. Add both years up and the drifter’s two-year total is €3,480 at Electric Ireland against €3,613 at Energia. The mechanics of why every supplier is built this way get their own page: year 1 vs year 2.
The trap on this page: Energia’s discount is rented, not owned. Do nothing at month 12 and the house that paid €1,538 pays about €2,075 — a €537 jump onto a 42.65c standard rate. Only sign the deeper discount if there is a month-11 reminder in your phone; if there never will be, the incumbent’s €1,868 fall-back is the cheaper mistake by €207 a year.
Full-service incumbent vs a bill-pay-only switcher brand
We score billing a draw — 7.5 apiece — and give Electric Ireland the edge on service, 7.5 to 7. The real difference is range, not polish. Electric Ireland covers every configuration an Irish meter can be in: 24-hour, NightSaver, smart time-of-use, gas, dual fuel and Smarter Pay As You Go for homes that budget by top-up. It is also ESB’s state-owned retail arm and the designated electricity supplier of last resort — the brand other suppliers’ customers land on if their supplier folds. Energia is bill-pay only: no prepay option at all, which quietly rules it out for a slice of renters and budget-control households. Both run electricity and gas on one account with one direct debit, so dual-fuel admin is a wash.
Both also field a wholesale-linked dynamic tariff, as the CRU now requires of large suppliers — Energia’s is called Smart Track, Electric Ireland’s sits alongside its Home Electric+ smart plans — and both need a smart meter with a CTF communications score of 4. Prices change every half hour with the wholesale market, so no meaningful annual figure exists for either and neither appears in the tables above. If your household can genuinely shift load — EV charging, night-running appliances — the detail is in the Energia review and the Electric Ireland review; if it cannot, ignore both plans and compare the discounts like everyone else.
€50 a fuel each way — the difference is what leaving rescues you from
On paper this is a dead heat. Both suppliers sign you to 12 months. Both charge €50 including VAT per fuel to leave early — Energia’s sits in clause 13.4 of its domestic terms — so a dual-fuel exit costs €100 at either. Both charge nothing once the term is up, and both give the standard 14-day cooling-off after a normal switch. Nobody should pick between these two on contract terms, because there is nothing to pick between.
The clause simply matters more at Energia. Walking out of Energia at month 13 dodges a €537 standard-rate jump; the same walk from Electric Ireland dodges €256. Even mid-contract the arithmetic often works: €50 per fuel is small against the gap between a dead discount and a fresh one, so treat the fee as the price of an option, not a wall. Check your contract end date before you move — the process itself takes minutes and supply never cuts: how to switch supplier.
Two Guarantee of Origin badges: wind-farm owner vs fuel-mix incumbent
Both suppliers wave a certificate at you and we score both 6.5 for it. Energia markets household electricity as 100% renewable, and its parent group genuinely owns and runs Irish wind farms — but the retail badge works by matching your annual usage with Guarantees of Origin, and the socket serves the same single grid as everyone else’s. Electric Ireland is blunter: standard supply simply follows its disclosed fuel mix, and the green story is sold separately — its Green plans cost more and rest on the same certificate matching, not a separate Irish supply.
If a green badge matters to you, Energia at least includes it on every plan at no premium, and the group’s own generation gives the claim more substance than a pure certificate trader’s. But neither of these two should be chosen for green credentials — that decision has its own ranking with the suppliers who evidence it better: best green electricity.
The drifter’s supplier vs the switcher’s supplier
Choose by behaviour, not brand. Energia is for households that treat energy like an annual contract: sign at 30% off, pay €1,538 for electricity and €1,394 for gas, set the month-11 alarm, leave or renegotiate at month 12. It is also the pick if a flat-rate smart plan (€1,464) or a no-premium green badge sweetens the deal. It is the wrong supplier for anyone who needs prepay, and an expensive one for anyone who signs and forgets.
Electric Ireland is for the household that — knowingly — will not be back on a comparison site next August. Its €1,868 standard year is the least punishing fall-back of the pair, its rise history is the calmest of the big brands, and it is the only one of the two with pay-as-you-go and a published dual-fuel annual figure. If you are leaving Electric Ireland and Energia is just the first alternative you thought of, also weigh SSE Airtricity and the cheaper challengers before signing — or answer five questions and let find your energy shortlist for you. We are a commercial comparison site, not CRU-accredited; the CRU’s own list of accredited calculators is at cru.ie.
Which should you choose?
It comes down to cost profile, contract terms, and how you like to deal with a supplier. Use this fast decision frame.
Choose Electric Ireland if
You will not switch again at month 12 — be honest — and you want the softer landing: a €1,868 standard-rate year against Energia’s €2,075, one rise since October 2022, standing charges left alone in July 2026. Or you need what only the incumbent range covers here: pay-as-you-go, every meter type, and a dual-fuel deal with one published annual figure (€2,912 in year one).
Check Electric Ireland →
Choose Energia if
You switch every year and want the deepest big-brand discount doing it: €1,538 electricity (30% off units), €1,394 gas, €1,464 on a flat-rate smart plan, and €50 per fuel to leave if something better turns up mid-term. You have a reminder in your phone for month 11, because Energia’s 42.65c standard rate is not a place to live.
Check Energia →Advertiser disclosure: we may earn a commission when you buy through links on this page. That never affects scores or the winner.
