About Power NI

Power NI (formerly known as NIE Energy) is the largest electricity supplier in Northern Ireland, with over 500,000 domestic and commercial customers in the region. Until 2010, NIE Energy was the only electricity supplier available to Northern Irish customers.

Since Which? Switch is unable to switch customers in Northern Ireland, you will not be able to compare Power NI tariffs on the site.

Contact Information

Customer service 0845 745 5455

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You can call us on 0800 410 1149 or 01259 220 235.

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Energy Customer Satisfaction Results

Tired of poor customer service from your energy supplier? The results o four 2018 Which? energy satisfaciton survey reveal how customers rate 31 gas and electricity suppliers in Great Britain. Use them to help find the best energy company for you.

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