Higher energy prices could be on the way for consumers, as the EU attempts to create a single European market for power.
Ireland currently runs interconnectors to Northern Ireland and Britain, but in a new report the ESRI says more expensive power is often imported from the UK when cheaper sources are available here.
Under new European rules Ireland could join the continental market directly - which would cost more money now, but would mean access to cheaper energy in eastern Europe in the long run.
John Fitzgerald, Research Professor with the ESRI and one of the editors of the Irish Energy Policy: An Analysis of Current Issues report, says there is also the option to integrate our energy network further with Britain.
Speaking to Newstalk Breakfast, he explained that a British market has benefits but could remain isolated, and a decision has to be made whether to go with a British or continental connector.
He spoke to Ivan about the possible EU reform: