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Soni Northern Ireland

System Operator for Northern Ireland (SONI) Ltd has been part of the EirGrid group since 2009. Based in Belfast, SONI ensures the safe, secure and economic operation of the high voltage electricity grid in Northern Ireland and in cooperation with EirGrid colleagues is also responsible for running the all-island wholesale market for electricity. SONI also work in cooperation with NIE through investments to develop the electricity grid infrastructure for Northern Ireland.

Financial Data

  • 30th Sep 20 Source: CRO
    • €117.2 million turnover
    • -€0.7 million profit
    • 123 employees
  • 30th Sep 19 Source: CRO
    • €131.4 million turnover
    • €14.3 million profit
    • 135 employees


By Turnover

(€117.2 million)

By Employees

437th in Top Companies By Turnover
  • 123
  • €117.2 million


  • Alan Campbell Director

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