Glossary
SONI (Systems Operator for Northern Ireland)
abbrev. Systems Operator for Northern Ireland: SONI ensures the safe, secure and economic operation of the high voltage electricity grid in Northern Ireland and, via a joint venture with Eirgrid (the RoI Transmission System Operator), is also responsible for running the new all-island wholesale market for electricity, SEM-O.You can veiw the SONI website here