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What we do

Our leadership team

Graduate opportunities

Responsible business

Our strategy

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We develop, manage and operate the electricity transmission grid.

About us overview

About us

See the map

Transmission map

How the grid works

Real time system information

System and renewable data

Maintaining a secure supply

Outage information

System margins outlook

How we manage the grid while planning for a low carbon future

The grid overview

The grid

See the project

Energising Belfast

Projects in your area

Engaging the community

Have your say (consultations portal)

We work with local communities when developing the grid

In the community overview

In the community

Become a customer

Get connected to the transmission system

Using the transmission system

Connecting to the grid

Grid codes and compliance

Interconnection

Information for customers using the transmission system

Industry overview

Industry

Publications

See the plan

Plan for Shaping Our Electricity Future

Innovation and Research

Shaping Our Electricity Future

Tomorrow's Energy Scenarios

European integration

Our plans for a sustainable electricity future

Future energy overview

Northern Ireland's energy future

Careers

News

Upcoming Proposals

SONI-Large-Demand-Facility-Fault-Ride-Through-informal-stakeholder-review_0.pdf

Large Demand Facility Fault Ride Through Informal Stakeholder Review