Commission for Energy Regulation (CER) - who
issue the authorisations and licences required to construct
a generating station, generate electricity and supply electricity,
and also issue gas supply / shipping licences.
Distribution System Operator (DSO)
- currently ESB Networks, who issues the Electricity Connection
Agreement to provide access to the distribution system; and
Transmission System Operator
(TSO) - currently ESB National Grid (although
the function is expected to be vested in EirGrid in the future)
who issues the Electricity Connection Agreement to provide
access to the transmission system.