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Our natural gas network
firmus energy gas network area

In March 2005, firmus energy was awarded a licence to develop a new natural gas network outside Greater Belfast, from L’Derry in the North West (NW) to Ballymena and from Antrim to Newry along the South North (SN) pipeline.


Before the towns could be developed for natural gas, two key transmission pipelines were required to transport gas from Carrickfergus (where natural gas comes into Northern Ireland from Scotland) to the towns in the North West and South North of the province. These two pipelines were built and are operated by BGE (Northern Ireland).

New gas networks

Image: firmus energy network area map

Following the completion of the North West pipeline in 2004, and the South North pipeline in 2006, firmus energy was able to build the new gas networks in each of these towns across Northern Ireland. These towns include:

• Ahoghilll • Antrim • Armagh • Ballyclare
• Ballymena • Ballymoney • Banbridge
• Benburb• Bessbrook • Blackwatertown
• Broughshane • Bushmills • Coleraine
• Craigavon • Cullybackey • Doagh 
• Londonderry~Derry • Laurelvale • Limavady
• Loughgall • Lurgan • Macosqiun
• Maghaberry • Magheralin • Moira • Moy
• Newbuildings • Newry • Portadown
• Portstewart • Richhill • Templepatrick
• Tandragee • Warrenpoint

Cost effective connection

The basis of firmus energy’s licence is that we will bring natural gas to areas where it is economic to do so. We will bring natural gas to areas and connect customers where the costs of construction can be recovered over our 30 year licence period.

Excavating a road with a digger for natural gas installation

Since we set up operations in 2005 we have:

  • Invested over £100m building our network,
  • Laid over 1000km of mains pipes across Northern Ireland,
  • Connected thousands of domestic and commercial customers
  • Displaced 450,000 tonnes of CO2 emissions across the province.
Maintenance & gas safety

Safety is our number one priority. In bringing gas to each of the towns, firmus energy works to the Institute of Gas Engineers and Managers standards and our Safety Policy is scrutinised and overseen by the Health and Safety Executive in Northern Ireland. All maintenance of firmus energy plant and equipment is planned in advance, coordinated directly with firmus energy customers and carried out to the highest international safety standards.

firmus energy engineer safety testing a natural gas system

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How do you pay for your natural gas?

By Credit

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Do you purchase a top-up card for your energy?

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What kind of business are you?

Small or Medium Business

Small businesses spend about £2,600 or less per bill. Medium businesses spend about £35,000 or less per bill.

or

Large Business


Large businesses spend about £250,000 or less per bill

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If your account requires 2 signatures, or you are not the bank account holder, please call us first on 0800 032 4567
If you don’t have this number, call our switch team on 0800 032 4567