Since 2005, older people have seen their energy bills more than double.
In 2005, the average annual spend was £668.98, compared to £1,355.90 last year, research from Saga has found.
The report said that the over 65s spent an estimated £17.4 billion on electricity and fuel bills in 2012.
More top news
Shadow chancellor John McDonnell said more ambition around investment would boost the UK.
Labour’s Tony Lloyd told MPs that many urgent decisions were now ‘piling up’ in Northern Ireland as the ‘voice of Stormont is silent’.
The Prime Minister has been under pressure to condemn the US President’s stance on family separations.