With energy prices still a concern for households across Ireland, choosing the right electricity or gas provider can lead to significant savings over the course of a year. But with so many suppliers offering different tariffs, discounts, and bundles, it can be hard to know which one to go with.

This guide compares the top energy providers in Ireland for 2025, based on pricing, customer service, green energy options, and switching perks.

Top Energy Providers in Ireland (2025)

Here are some of the major residential energy suppliers currently operating in Ireland:

1. Electric Ireland
2. Bord Gáis Energy
3. SSE Airtricity
4. Energia
5. Flogas
6. PrepayPower
7. Pinergy
8. Community Power

Let’s break down how they stack up.

1. Electric Ireland

Ireland’s largest energy supplier, and part of ESB Group.

• Discounts for new customers: Yes (up to 8–12% off standard rates)
• Dual fuel available: Yes
• Green energy: Offers 100% green electricity
• App and online services: Strong, user-friendly
• Customer service: Reliable and widely accessible
• Pros: Long-established, flexible payment options, rewards programme
• Cons: Not always the cheapest for new customers

Best for: Customers who value reliability and strong customer support

2. Bord Gáis Energy

A long-running supplier offering both gas and electricity, and now owned by Centrica.

• Discounts for new customers: Often offers 10–20% discounts or €150–€200 cashback
• Dual fuel available: Yes
• Green energy: Yes, includes green plans
• App and online services: Good
• Customer service: Generally rated positively
• Pros: Big-brand trust, strong dual-fuel deals
• Cons: Exit fees on some plans

Best for: Dual-fuel users looking for cashback deals

3. SSE Airtricity

A popular provider with a strong green energy focus.

• Discounts for new customers: Up to 20% off or €200 cashback
• Dual fuel available: Yes
• Green energy: 100% green electricity as standard
• App and online services: Solid
• Customer service: Mixed reviews
• Pros: Consistent promotions, good for environmentally conscious users
• Cons: Tariffs can be mid-range after year one

Best for: Eco-conscious customers who want value and green energy

4. Energia

Often among the cheapest energy suppliers in Ireland for new customers.

• Discounts for new customers: Up to 25–30% off standard rates
• Dual fuel available: Yes
• Green energy: 100% green electricity
• App and online services: Modern and efficient
• Customer service: Generally positive
• Pros: Very competitive pricing, excellent for switchers
• Cons: Prices may rise after discount period

Best for: Households switching regularly to save the most

5. Flogas

A growing supplier for both electricity and gas.

• Discounts for new customers: Regular cashback deals (e.g. €250+) and decent unit rate discounts
• Dual fuel available: Yes
• Green energy: Limited
• App and online services: Improving
• Customer service: Mixed reviews
• Pros: Aggressive pricing, good cashback offers
• Cons: Not always the most transparent billing

Best for: Price-savvy customers who don’t mind fewer digital tools

6. PrepayPower

Ireland’s largest pre-pay energy provider, suitable for people who want to control usage in real-time.

• Discounts for new customers: Offers top-up bonuses
• Dual fuel available: Yes
• Green energy: No
• App and online services: Excellent app with usage tracking
• Customer service: Generally positive
• Pros: No bills, pay-as-you-go control
• Cons: More expensive unit rates overall

Best for: Budget-conscious users who prefer pre-pay control

7. Pinergy

Offers smart meter solutions with a strong focus on pay-as-you-use models.

• Discounts for new customers: Yes, on plans with smart usage tools
• Dual fuel available: No (electricity only)
• Green energy: 100% renewable
• App and online services: Highly rated
• Customer service: Good
• Pros: Real-time energy tracking, energy usage education
• Cons: Limited if you want gas or bundles

Best for: Tech-savvy users and renters in electric-only homes

8. Community Power

Ireland’s only community-owned energy supplier, with profits reinvested locally.

• Discounts for new customers: Less promotional but fair pricing
• Dual fuel available: No (electricity only)
• Green energy: 100% renewable and locally sourced
• App and online services: Basic
• Customer service: Personalised and community-focused
• Pros: Ethical, supports Irish communities
• Cons: Not the cheapest, basic app features

Best for: Customers who value sustainability and local impact

How to Choose the Right Energy Provider

When comparing energy suppliers in Ireland, consider:

• Unit rates vs discounts – the cheapest plan is not always obvious
• Exit fees – some plans lock you in for 12 months
• Green credentials – if you want renewable energy, check if it’s included as standard
• Cashback vs lower bills – cashback may look attractive, but lower daily standing charges often win long term

Use trusted comparison sites like bonkers.ie and switcher.ie to find the best deal for your usage.

Switching Could Save You Hundreds

Switching energy providers in Ireland every 12 months can save households up to €400–€600 annually. Most suppliers reserve their best deals for new customers—so staying loyal could mean you’re overpaying.

Whether you prioritise the cheapest rates, green energy, or digital tools to track usage, there’s an Irish energy provider to match your needs in 2025.

Stay informed with itson.ie.