We are aware of a number of fraudulent scams in operation across NI. Find out more
We are aware of a number of fraudulent scams in operation across NI. Find out more
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Preparing For A Greener FutureWith firmus energy, your CO2
emissions are 48% less than that
of oil customers*.
Natural Gas BenefitsNatural gas is not only the
cleanest, but one of the most
efficient ways to heat your home!
Energy EfficiencyUpgrade your home heating with a high energy efficient natural gas system helping you save money and reduce your energy usage.
Track Your UsageYou can track and compare your energy usage. Your energy bills are always available to view 24/7 through your online account.
Thank you for visiting firmus energy. We have listed some of your top questions below. You can find our full customer queries in the help & advice section.
To mark the 20th Energy Saving Week in Northern Ireland, local natural gas company firmus energy has teamed up with the Energy Saving Trust to share top tips for energy efficiency measures in the home.
Read More
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This is the number usually at the top right of your bill †
If your account requires 2 signatures, or you are not the bank account holder, please call us first on 0330 024 9000
† If you don’t have this number, call our switch team on 0330 024 9000
