The Fianna Fáil rep has been arguing on the issue for a number of months.
A midlands TD's efforts to bring ESB prices down are going to the EU.
Fianna Fáil's Barry Cowen has been arguing for a number months that a lack of regulation and competition in the market has allowed the semi-state body to extract "super normal" profits from consumers.
And he'll be raising the matter with the European Energy Commissioner in Strasbourg tomorrow.
Daniel McConnell, Political Editor with the Irish Examiner, says while the ESB refutes the Laois-Offaly TD's claims, securing a meeting in Europe is quite significant: