What is the difference between Firmus Energy and NIE Networks for electricity?

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 and bills, and give you ways to top up.
• NIE Networks (the network operator): owns and maintains the poles, cables and network that bring power to your home, and reads meters for all suppliers. They’re also who you call about a power cut.

Switching electricity supplier doesn’t change this. NIE Networks still looks after the network, whoever you buy your electricity from.