Around 145,000 mains gas customers in Northern Ireland will see prices increase by an average £39/year from 1 April, as SSE Airtricity hikes prices by 7.8%.
An energy company has apologised after it told a customer he was £950 in credit when giving his final bill - only to go back to him months later and tell him he OWED £1,500.
Households on E.on's standard variable tariff will see their energy bills rise by an average of £22/year after the big six firm announced a series of changes to the way it charges customers.