Shaping our Electricity Future

SONI needs to make the grid stronger and flexible so it can carry more renewable energy. Our consultation on this closed on 14 June. Based on feedback received, we will develop a final plan due for publication in Autumn 2021.

How we upgrade the grid

Read SONI's guide to our grid development process.

Strategy 2020 -2025

Transform the power system for future generations.

SONI (System Operator for Northern Ireland)

We operate the electricity grid bringing electricity to every part of Northern Ireland.

Fuel Mix

System Demand

Latest News

SOEF consultation still open

10 June 21

SONI publishes Tomorrow’s Energy Scenarios Northern Ireland System Needs Assessment

07 June 21

SONI achieves CORE

16 April 21

UR Decision Paper on TDPNI Published

31 March 21

Library

We want to make it easy for you to learn more about what we do. All our publications and project information are available in our online Library. If you can't find what you're looking for here, please get in touch - we're here to help

North South Interconnector - Answering Your Questions

Read our information brochure which addresses topics such as the need for this project, undergrounding, tourism, consultation, land use and health.

Transmission Development Plan Northern Ireland 2020-2029

This document is the blueprint for the development of the transmission network and interconnection over the next ten years.