Who are Iresa?

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Iresa Tariffs & Contact Details

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Iresa is an independent supplier based in Nottingham, which has an emphasis saving its customers money through technology. So instead of paying for third-party infrastructure and technology, Iresa have built it in-house, driving down operational costs saving you money.

The company focusses on price and quality of service, helping those who are struggling to keep up with the more expensive suppliers. 

What tariffs does Iresa offer?

Tariff name

Tariff type*

Average bill value**

Exit fees***

Flex4 12month Fixed


Duel Fuel – Fixed



Flex4 Standard Variable

Duel Fuel – Variable



Tariff information correct as of 14 August 2017

*The range of gas and electricity tariffs includes standard variable rate, fixed rate, 'green' and prepayment deals. Find out more on why we think fixed rate tariffs are worth checking out.

** The average bill is an average price of all 14 energy regions using the Ofgem medium usage of 3100kwh of electricity and 12500kwh of gas on a dual fuel (gas and electricity) tariff, paying by monthly direct debit. Prices correct at time of publishing.

***Exit fees are payable on some tariffs when you switch your energy provider before the end of your fixed term contract. Fees are typically £25 - £30 per fuel.

How to contact Iresa

Telephone: 0115 727 0982


Facebook: IresaEnergy

Twitter: @IresaEnergy

What do I need to do if I want to change my current provider?

Changing your energy provider has never been easier. It takes just minutes to run a quote on our site, and within 17 days you could be up and running with your new supplier. You can run an energy price comparison here.

Our video guide below explains how hassle-free the switching process is.

What happens if my energy supplier goes bust?

It is very rare for an energy supplier to go out of business, but it happened in 2016, with the collapse of GB Energy.

As happened then, any future collapse and its consequences would be managed by Ofgem, the energy market regulator. Thanks to Ofgem’s safety net, even if your supplier goes out of business, your gas and/or electricity supply will never be cut off or interrupted.

All UK energy suppliers are regulated by Ofgem.

In addition to guaranteeing continuity of supply, Ofgem works to move customers of a failed company to the best possible deal, with any debit/credit transferred to a new supplier that is chosen to inherit the business.

Read our Q&A on this topic here.

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