Profits fell at ESB last year to 552 million euro.
Annual results at the semi-state company released this morning, show that figure is 132 million less than 2013 profits - a drop of around 20 percent.
In a statement, ESBÂ’s Chief Executive Pat OÂ’Doherty said the results reflect a solid performance "in the face of some challenges in 2014".
Business Reporter Vincent Wall says ESB has given a number of reasons for the fall in profits last year: