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Northern Ireland electricity and gas

Firmus Energy

By Sarah Ingrams

Article 6 of 7

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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Firmus Energy

Firmus Energy is a natural gas supplier for homes and businesses in Northern Ireland. Find out if you should get your gas from Firmus Energy.

At the moment, domestic gas customers in the 'Ten Towns' area can only be supplied by Firmus Energy. In the Greater Belfast area, customers have a choice between Firmus Energy and SSE Airtricity for their gas supply. 

Firmus Energy claims its gas is safe, cheaper, practical and environmentally friendly. It also owns and builds its own infrastructure. 

Since it launched in 2005, Firmus has built gas networks in more than 30 cities, towns and villages and connected more than 35,000 customers. 

Firmus Energy customer score

Firmus Energy ranks fifth of the table in the annual Which? survey of six of Northern Ireland's electricity and gas suppliers. 

The survey is the biggest of its kind and, out of six suppliers, Firmus Energy was ranked second from bottom. SSE Airtricity Electricity came last, while Budget Energy and Electric Ireland came joint first.

Firmus Energy score breakdown

Below, we reveal how Firmus Energy’s customers rated it in our survey. Keep reading for our full expert verdict on the energy supplier and to find out about its price rises. 

Find out how Firmus Energy compares with other energy firms, including SSE Airtricity – see the full results of the Northern Ireland electricity and gas firms

Which? verdict on Firmus Energy

Firmus Energy comes second to bottom of the table for the Northern Ireland firms, receiving just three stars for value for money. 

Firmus Energy announced a 12% increase in its gas prices - from 1 October 2018 for customers in the 'Ten Towns' area and 4 October 2018 in Greater Belfast. 

Although other providers also got three stars, it was only Firmus Energy and SSE Airtricity Electricity that had 6% of its customers rate its value for money as 'very poor'. 

Customers also made comments about this area too. One called Firmus Energy: 'Too dear', while another just stated: 'Increasing prices'.

Unfortunately, due to the lack of responses we couldn't give star ratings for areas including customer service, complaints handling and bill accuracy, but we did receive lots of comments. 

When speaking about billing, a Firmus Energy customer said: 'I don't think they are very clear and the unit price always differs'. But on the other hand, another customer explained: 'I've never had any problems with them', while a third told us: 'Firmus Energy is helpful and willing to ensure customers are happy'. 

If you live in the Greater Belfast area, find out what our survey revealed about SSE Airtricity.

Pros: Some Firmus customers added positive comments about the service they've received. 

Cons: It supplies gas only, so you’ll need another supplier for electricity.

Firmus Energy in the news

Firmus Energy announced a 12% price increase for customers in the Ten Towns areas and Greater Belfast. The hike added around £39 a year to the average customers bill. 

Part of the reason for the incease was said to be down to the rise in international energy costs.

Firmus Energy announced a 12.2% increase in its gas prices - from 31 March for customers in the 'Ten Towns' area and 7 April in Greater Belfast. The increase added around £66 to customers’ annual gas bills, on average.

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