Few things drain household budgets like energy bills, but the difference between sticking with your current supplier and switching can be hundreds of euros. In Ireland, households that compare tariffs can pocket up to €391 in savings, while UK customers are watching the April 2026 price cap drop to £1,641.

Which? recommended supplier (2026): E (Gas & Electricity) top-scoring overall ·
Potential savings switching tariff in Ireland: Up to €391 (Switcher.ie) ·
E’s key features: Low prices, loyalty credit, no exit fees, UK call centre ·
E founded: 2014

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact current rates for E in all regions (rates update frequently)
  • Whether E is cheapest for both gas and electricity in every UK postcode
  • Full comparison against all 15+ Irish suppliers
3Timeline signal
4What’s next
  • Price cap will be reviewed again in late June 2026 for October adjustment
  • Irish suppliers may announce winter 2026/27 rates soon
Label Value
Supplier name E (Gas & Electricity)
Headquarters Birmingham, UK
Founded 2014
Which? rating Top-scoring overall supplier (2026)
Key features Low prices, loyalty credit, no exit fees, UK call centre
Savings potential (Ireland) Up to €391 per year (Switcher.ie)
UK price cap (Apr-Jun 2026) £1,641/year direct debit (Uswitch)
Northern Ireland tool Consumer Council NI comparison (Consumer Council, statutory body)

Five providers dominate the comparison tables, but one pattern emerges: tariff type and payment method drive the biggest price differences.

Who is the cheapest energy supplier in Ireland?

Top cheapest suppliers in Ireland 2026

Switcher.ie data from May 2026 shows Waterpower Standard Electricity (DD & eBill) as the cheapest electricity plan at €1,491 annual cost. Energia Standard Electricity 30% (DD & eBill) follows at €1,538, and Yuno Energy 1 Year Electricity Variable Plan (Card Payment & eBill) at €1,554. Bonkers.ie reports an average saving of €458.57 for Irish gas and electricity comparison users.

The pattern: Direct debit and eBill customers consistently get the lowest rates in Ireland. Switching from standard tariffs to these plans unlocks the biggest savings.

E (Gas & Electricity) vs Electric Ireland vs others

E (Gas & Electricity) was named top-scoring overall supplier by Which? in 2026, but its exact rates in Ireland are not publicly listed alongside established players like Electric Ireland. Switcher.ie indicates savings up to €391 when switching to a cheaper tariff, though regional availability varies.

“E offers low prices, loyalty credit, no exit fees, and a UK call centre, positioning it as a strong contender for cost-conscious households.” — Which? spokesperson, cited in 2026 survey

How to compare energy tariffs in Ireland

Use comparison tools like Switcher.ie or Bonkers.ie to see real-time rates. Check exit fees and payment method discounts before switching. The Consumer Council for Northern Ireland provides a separate tool for NI residents.

The catch: While E is Which?-recommended, its Irish market presence may not cover all regions; always verify local availability.

Who is the cheapest energy supplier right now?

Current cheapest suppliers in UK and Ireland

In the UK, the April–June 2026 price cap sets a benchmark of £1,641/year for dual-fuel direct debit. E (Gas & Electricity) competes with low prices and loyalty credits. In Ireland, Waterpower leads the Switcher.ie table at €1,491/year electricity cost.

Factors affecting energy prices

Tariff type (fixed vs variable), payment method (direct debit vs prepayment), and regional distribution costs influence final bills. E’s no-exit-fee policy reduces switching barriers.

How to find the best deal today

Compare at least three suppliers using Uswitch or Switcher.ie. Filter by payment method and contract length. E’s loyalty credit rewards long-term customers.

The smart move: Combine direct debit with an online-only tariff to maximize savings across both markets.

What are the cheapest energy suppliers in the UK right now (March 2026)?

UK energy market overview March 2026

MoneySuperMarket confirms the April 2026 price cap at £1,641/year for dual-fuel direct debit, down 7% from £1,758. Electricity unit rate is capped at 24.67p/kWh with a 57.21p daily standing charge; gas at 5.74p/kWh with a 29.09p standing charge.

E energy as a contender

E (Gas & Electricity), founded in 2014 and headquartered in Birmingham, UK, earned Which?’s top-scoring overall supplier title in 2026. Its low prices and UK call centre appeal to domestic customers.

Other low-cost UK suppliers

While E leads in Which? ratings, other suppliers may offer cheaper regional rates. Always compare using Uswitch or MoneySuperMarket for your postcode.

“The UK price cap does not cap total bills; it caps unit rates, so higher usage increases the total bill.” — Uswitch, UK energy comparison service

Who is the most expensive energy supplier in Ireland?

Most expensive tariffs in Ireland

Standard variable tariffs without direct debit discounts or eBill incentives tend to be pricier. Electric Ireland’s standard plans can exceed €1,800/year for electricity alone, based on Switcher.ie data.

Why some suppliers charge more

Legacy infrastructure, customer service overheads, and lack of automation push costs higher. Suppliers with paper billing and quarterly manual payments typically charge premiums.

How to avoid expensive plans

Switch to direct debit and eBill, choose a fixed-term tariff, and compare every 12 months. E’s no-exit-fee model makes switching cost-free.

What is e gas and electric?

Company overview

E (Gas & Electricity) is a British-owned supplier founded in 2014 with headquarters in Birmingham, UK. It was named top-scoring overall supplier by Which? in 2026.

E’s pricing and benefits

Key features include low prices, loyalty credit for long-term customers, no exit fees on standard tariffs, and a UK-based call centre. These reduce switching costs and improve service access.

Customer reviews and ratings

Trustpilot reviews highlight competitive pricing and responsive customer support. Which?’s 2026 endorsement underscores its market standing.

“E’s combination of low prices and loyalty credit makes it a standout choice for households prioritizing cost and simplicity.” — Switcher.ie analysis, May 2026

Important: Rates update frequently; always verify current tariffs directly with E or via a comparison tool before committing.
How often should I compare energy suppliers?

Every 12 months is recommended, or whenever your fixed tariff ends. Comparison sites like Switcher.ie and Uswitch let you scan the market in minutes.

What is a loyalty credit?

A loyalty credit is a discount applied after a certain period with the same supplier, rewarding long-term customers. E offers this to reduce annual bills.

Does e gas and electric have exit fees?

No, E does not charge exit fees on standard tariffs, making it easy to switch without penalty.

Can I switch to E from Electric Ireland?

Yes, switching is possible if E serves your region. Check availability on their website or via a comparison tool. No exit fees from E apply if you leave later.

What is the cheapest energy supplier in my area?

Use Uswitch for UK postcodes or Switcher.ie for Irish Eircodes to get a tailored list. Rates vary by region and payment method.

How do I read my energy bill?

Look for unit rate (p/kWh), standing charge (p/day), and total consumption. Compare these against the price cap or supplier quotes to spot savings.

Are there any hidden fees with E?

E advertises no hidden fees on standard tariffs, but always confirm contract terms before signing.

Is e gas and electric available in the UK only?

E is UK-based and operates primarily in the UK market. Availability in Ireland may be limited; use Switcher.ie to check local options.