SONI is Northern Ireland's electricity Transmission System Operator. As we enhance the electricity grid, we are leading the way for a more secure and sustainable energy future.
What we do
Electricity is vital to the way we live. We develop, plan and operate the transmission system in Northern Ireland. Our work ensures everyone has electricity when they need it.
What we do at SONI
How the grid works
A lot of work happens behind the scenes to power our lives. Learn how the electricity grid makes this possible.
The grid
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Real time system information
Live updates on Northern Ireland's power system, including fuel mix, emissions and more.
Latest news
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Explore SONI
We're here to help
Have questions or queries? Get in touch with us.