ESB Networks DAC was incorporated on 8th December 2008 as a wholly owned subsidiary company of ESB. ESB Networks DAC was vested as Distribution System Operator on 1st January 2009 in accordance with the European Communities Regulations 2008 (S.I. 280 of 2008). It is responsible for the operation, maintenance, and development of the electricity distribution system in the State.
ESB Networks DAC has its own board which currently consists of 5 members. The Articles of Association of ESB Networks DAC specify that at least two of the directors shall not be employees, contractors or consultants of ESB or its subsidiary companies and shall be independent of the interests of ESB. Ms Caroline Spillane, Mr Ian Talbot and Mr Michael Nolan were appointed as independent directors pursuant to this requirement
Nicholas Tarrant was appointed Managing Director of ESB Networks, and as a director of ESB Networks DAC in September 2021.
Prior to this he held the positions of executive director of engineering and major projects ESB and managing director of Northern Ireland Electricity Networks.
He has held a number of senior management positions, including generation manager with responsibility for ESB’s generation portfolio.
He is a chartered engineer at the Institute of Engineers of Ireland, a chartered director and holds an MSc in Management from Trinity College Dublin.