Dr. Harrington has been a member of the Commission for Regulation of Utilities (CRU) since September 2024. Her lead responsibilities include Decarbonisation and Security of Supply and Wholesale. She previously worked as Chief Regulatory Affairs Officer at An Post, where she was responsible for economic regulatory risk management and compliance. Dr. Harrington has held leadership positions with Powerscourt, advising a range of Ireland’s largest companies on matters of public policy, government affairs and economic regulation across a range of regulated sectors. At the NTR Foundation she delivered on the Foundation’s mandate to address the challenges posed by climate change, resource sustainability and security of energy supply. She has also served as a Ministerial Advisor at the Department of Communications, Energy and Natural Resources and the Department of Transport. She is a former Head of Energy at IBEC. She holds a Doctorate in Governance QUB, an MSSc in European Integration QUB, and BA in History and German, UCD.