One hundred and forty thousand households were left without gas or electricity this winter because they didn't have enough money to top up their prepayment meter, Citizens Advice is warning.
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%.
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.
Gas and electricity supplier Spark Energy has apologised after a debt collection firm contacted a number of its ex-customers and wrongly told them they owed money - even though some closed their accounts years ago.