Documents released under the Freedom of Information Act, describe that Eirgrid met with and wrote to the Department of Communications, Energy and Natural Resources in November 2010 to request that the powers conferred on ESB under section 53 of the 1927 Electricity Supply Act “be extended to Eirgrid as a matter of urgency to ensure that Eirgrid has the necessary statutory powers to carry out its statutory and licence functions.”. Despite this, Erigrid has not yet received the statutory powrs it says are necessary to carry out its licenced functions relating to the development of the transmission system.

Eirgrid Letter & Legal Opinion are here: https://lucc.ie/download/10/eirgrid-letter-and-legal-opinion/101/eirgrid-letter-and-opinion.pdf