SONI, part of the EirGrid Group since 2009, is the electricity system operator for Northern Ireland: We are responsible for the consistent and reliable transmission of electricity on our high-voltage ...
SONI, part of the EirGrid Group since 2009, is the electricity system operator for Northern Ireland: We are responsible for the consistent and reliable transmission of electricity on our high-voltage grid, matching supply and demand for power across Northern Ireland, every second of every day.