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.
Customer service 0845 745 5455
Contact Which? Switch by phone
You can call us on 0800 410 1149 or 01259 220 235.
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