Bord Gais Energy has confirmed an end to its winter price pledge, saying that wholesale costs have risen too far and continue to do so.
The announcement will see electricity bills increase by 27 per cent while the average gas bill will go up by a massive 39 per cent.
In a statement, the provider said: "With high global wholesale energy costs and market volatility expected to continue for some time, Bord Gais Energy has today confirmed that its winter price pledge, which protected customers over the colder winter period, is ending.