Oireachtas Joint and Select Committees

Wednesday, 10 July 2019

Joint Oireachtas Committee on Communications, Climate Action and Environment

ESB Networks: Discussion (Resumed)

Photo of Timmy DooleyTimmy Dooley (Clare, Fianna Fail)
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I thank Mr. Hayes and his colleagues for coming before the committee. I also thank him for his comprehensive overview.

The issue which was the source of greatest concern from an environmental perspective was the ongoing leakage of oil. Mr. Hayes has reiterated that it is readily biodegradable, but there seems to have been a suggestion that there was some level of mineral oil in the coolant in up to 90% of cables. I understand that oil is not biodegradable.