General Enquiries

Yes. If you’re a Firmus Energy electricity customer, you can download our app to top up quickly and easily, wherever you are. The app is free to download. Just donwload the…

Yes. If you’re already a Firmus Energy gas customer, you can add electricity. Call us on 0330 024 9000 and we’ll help you set it up. Our gas network covers certain areas of…

Firmus Energy is your electricity supplier. NIE Networks owns and looks after the electricity network. We (the electricity supplier): sell you electricity, look after your account…

Our launch electriicty tariff is the pay as you go 24H tariff. It’s made for customers with a keypad meter. We also have an EV tariff for electric vehicle drivers. If you have a…

Yes. We started supplying electricity on 9 November 2026, and you can get it from us anywhere in Northern Ireland. You don’t need to be on our gas network. We’ve supplied natural…

If you rely on electricity for medical equipment, you can register with the NIE Networks Customer Care Register. It’s for households that rely on electricity for equipment such as…

Contact us if you think your electricity meter is faulty or isn’t working properly. Please have your current meter reading ready. It helps if you’re beside your meter when you…

Constant supply and peace of mind By switching to natural gas, you’ll never run out of fuel again. More ways to save If your property uses energy efficient appliances, you’ll burn…

By switching to natural gas, you’ll never run out of fuel again. Natural gas is supplied directly to your property, so there’s no need to worry about arranging fuel deliveries or…

Supply Meter Point number. This is a unique number which relates to the natural gas supply going into your property. Your SMP number is an eight digit number which can be found on…