Peak time electricity demand needs to be eased or else there could be power outages in the winter.
That's according to the Commission for the Regulation of Utilities, which has called on people to take on a 'behavioural change.'
It's particularly concerned about household demand between 5pm and 7pm each day.
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Energy economist with the ESRI, Muireann Lynch, says suppliers could do more to entice people on to Smart Contracts to better monitor their usage: