SONI - System Operator for Northern Ireland
UtilitiesNorthern Ireland, United Kingdom201-500 Employees
SONI, the System Operator for Northern Ireland, serves as the region's Transmission System Operator, overseeing the high-voltage electricity network to ensure power flows safely and reliably from generation facilities to consumers. Headquartered in Belfast, Northern Ireland, the organization is a mid-sized utility and also undertakes grid modernization efforts aimed at delivering a cleaner energy future for local communities, businesses, and farms. In November 2025, SONI expanded its governance with the appointment of Michael Kidd as a Non-Executive Director. Operating within the utilities sector, SONI coordinates the transmission of electricity across Northern Ireland, balancing generation and demand to maintain grid stability. Its work supports the transition to higher levels of renewable energy by maintaining a robust network capable of accommodating evolving generation sources and demand patterns. Through its core mandate as the Northern Ireland TSO, SONI interacts with a range of stakeholders to ensure reliable electricity supply across the region.